var subnet_mask = new Array(0, 128, 192, 224, 240, 248, 252, 254, 255);
var key_num_array = new Array("64", "128");
//var Week = new Array("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
var Week = new Array(_Sun, _Mon, _Tue, _Wed, _Thu, _Fri, _Sat);


function rule_obj(name, prot, public_port, private_port){
    this.name = name;
    this.prot = prot;       // TCP, UDP
    this.public_port = public_port;
    this.private_port = private_port;
}

function appl_obj(name, trigger_prot, trigger_port, public_prot, public_port){
    this.name = name;
    this.trigger_prot = trigger_prot;       // TCP, UDP
    this.trigger_port = trigger_port;
    this.public_prot = public_prot;
    this.public_port = public_port;
}

function set_application_option(obj_value, obj_array){
    for (var i = 0; i < obj_array.length; i++){
        var temp_rule = obj_array[i];
        obj_value += "<option>" + temp_rule.name + "</option>";
    }
    return obj_value;
}

function addr_obj(addr, e_msg, allow_zero, is_network){
    this.addr = addr;
    this.e_msg = e_msg;
    this.allow_zero = allow_zero;
    this.is_network = is_network;
}

function isp_obj(isp_name, dial_number, apn, username, password){
    this.isp_name = isp_name;
    this.dial_number = dial_number;
    this.apn = apn;
    this.username = username;
    this.password = password;
}

function set_isp_option(obj_value, obj_array){
    for (var i = 0; i < obj_array.length; i++){
        var temp_isp = obj_array[i];
        obj_value += "<option>" + temp_isp.isp_name + "</option>";
    }
    return obj_value;
}



function varible_obj(var_value, e_msg, min, max, is_even){
    this.var_value = var_value;
    this.e_msg = e_msg;
    this.min = min;
    this.max = max;
    this.is_even = is_even;
}

function raidus_obj(ip, port, secret){
    this.ip = ip;
    this.port = port;
    this.secret = secret;
}

function ip4_obj(ip, min_range, max_range, e_msg1, e_msg2){
    this.ip = ip;
    this.min_range = min_range;
    this.max_range = max_range;
    this.e_msg1 = msg[e_msg1];
    this.e_msg2 = msg[e_msg2];
}
function change_wan(){
    var html_file;

    switch(get_by_id("wan_proto").selectedIndex){
        case 0 :
            html_file = "wan_static.asp";
            break;
        case 1 :
            html_file = "wan_dhcp.asp";
            break;
        case 2 :
            html_file = "wan_poe.asp";
            break;
        case 3 :
            html_file = "wan_pptp.asp";
            break;
        case 4 :
            html_file = "wan_l2tp.asp";
            break;
        case 5 :
            html_file = "wan_3G.asp";
            break;

    }
    location.href = html_file;
}

function change_filter(which_filter){
    var html_file;

    switch(which_filter){
        case 0 :
            html_file = "adv_filters.asp";
            break;
        case 1 :
            html_file = "adv_filters_mac.asp";
            break;
        case 2 :
            html_file = "adv_filters_url.asp";
            break;
        case 3 :
            html_file = "adv_filters_domain.asp";
            break;
    }

    location.href = html_file;
}

function change_routing(which_routing){
    var html_file;

    switch(which_routing){
        case 0 :
            html_file = "adv_routing.asp";
            break;
        case 1 :
            html_file = "adv_routing_dynamic.asp";
            break;
        case 2 :
            html_file = "adv_routing_table.asp";
            break;
    }

    location.href = html_file;
}

function check_network_address(my_obj, mask_obj){
    var count_zero = 0;
    var ip = my_obj.addr;
    var mask;
    var allow_cast = false;

    if (my_obj.addr.length == 4){
        // check the ip is not multicast IP (127.x.x.x && 224.x.x.x ~ 239.x.x.x)
        if(my_obj.addr[0] == "127"){
            alert(my_obj.e_msg[MULTICASE_IP_ERROR]);
            return false;
        }

        // check the ip is "0.0.0.0" or not
        for(var i = 0; i < ip.length; i++){
            if (ip[i] == "0"){
                count_zero++;
            }
        }

        if (!my_obj.allow_zero && count_zero == 4){ // if the ip is not allowed to be 0.0.0.0
            alert(my_obj.e_msg[ZERO_IP]);           // but we check the ip is 0.0.0.0
            return false;
        }else if (count_zero != 4){     // when IP is not 0.0.0.0, checking range. Otherwise no need to check
                mask = mask_obj.addr;
                for(var i = 0; i < mask.length; i++){
                    if (mask[i] != "255"){
                    if (ip[i] != (mask[i] & ip[i])){
                        alert(my_obj.e_msg[FIRST_RANGE_ERROR + i] + (mask[i] & ip[i]));
                        return false;
                    }
                }
            }
        }
    }else{  // if the length of ip is not correct, show invalid ip msg
        alert(my_obj.e_msg[INVALID_IP]);
        return false;
    }

    return true;
}

function check_domain(ip, mask, gateway){
    var temp_ip = ip.addr;
    var temp_mask = mask.addr;
    var temp_gateway = gateway.addr;
    var temp_str = "";

    for (var i = 0; i < 4; i++){
        temp_str += temp_gateway[i];

        if (i < 3){
            temp_str += ".";
        }
    }

    if (gateway.allow_zero && (temp_str == "0.0.0.0" || temp_str == "...")){
        return true;
    }

    for (var i = 0; i < temp_ip.length - 1; i++){
        if ((temp_ip[i] & temp_mask[i]) != (temp_gateway[i] & temp_mask[i])){
            return false;       // when not in the same subnet mask, return false
        }
    }

    return true;
}

function check_ip_order(start_ip, end_ip){
    var temp_start_ip = start_ip.addr;
    var temp_end_ip = end_ip.addr;
    var total1 = ip_num(temp_start_ip);
    var total2 = ip_num(temp_end_ip);

    if(total1 > total2)
        return false;
    return true;
}

function check_lanip_order(ip,start_ip, end_ip){
    var temp_start_ip = start_ip.addr;
    var temp_end_ip = end_ip.addr;
    var temp_ip = ip.addr;
    var total1 = ip_num(temp_start_ip);
    var total2 = ip_num(temp_end_ip);
    var total3 = ip_num(temp_ip);
    if(total1 <= total3 && total3 <= total2)
         return true;
    return false;
}

function check_resip_order(reserved_ip,start_ip, end_ip){
    var temp_start_ip = start_ip.addr;
    var temp_end_ip = end_ip.addr;
    var temp_res_ip = reserved_ip.addr;
    var total1 = ip_num(temp_start_ip);
    var total2 = ip_num(temp_end_ip);
    var total3 = ip_num(temp_res_ip);
    if(total1 <= total3 && total3 <= total2)
        return false;
    return true;
}

function check_ip4(ip4){
    var temp_ip = (ip4.ip).split(" ");

    if (ip4.ip == ""){
        alert(ip4.e_msg1);
        return false;
    }else if (isNaN(ip4.ip) || temp_ip.length > 1 || parseInt(ip4.ip) < ip4.min_range || parseInt(ip4.ip) > ip4.max_range){
        alert(ip4.e_msg2);
        return false;
    }
    return true;
}

function check_key(){
    var key;
    var def_key = get_by_id("wep_def_key").value;
    var wep_def_key = get_by_id("wep_def_key");
    var wep_key_len = parseInt(get_by_id("wep_key_len").value);
    var hex_len = wep_key_len * 2;

    for(var i = 1; i < 5; i++){
            key = get_by_id("key" + i).value;
            if (wep_def_key[i-1].selectedIndex){
                if (key == ''){
                alert(YM122);
                    return false;
                }
          }else{
                if (key.length != wep_key_len && key.length != hex_len){
                        alert(TEXT041_1+" " + i + " "+TEXT041_2+" " + wep_key_len + " "+TEXT041_3+" " + hex_len + " "+TEXT041_4);//TEXT041
                        return false;
                }else if(key.length == hex_len){
                    for (var j = 0; j < key.length; j++){
                        if (!check_hex(key.substring(j, j+1))){
                            alert(TEXT042_1+" " + i + " "+TEXT042_2);//TEXT042
                            return false;
                        }
                    }
                    if(i == def_key)
                        get_by_id("wlan0_wep_display").value = "hex";
                }else{
                        if(i == def_key)
                            get_by_id("wlan0_wep_display").value = "ascii";
                }
          }
    }
    return true;
}
function check_vap1_key(){
    var key;
    var def_key = get_by_id("wep_def_key").value;
    var wep_def_key = get_by_id("wep_def_key");
    var wep_key_len = parseInt(get_by_id("wep_key_len").value);
    var hex_len = wep_key_len * 2;

    for(var i = 1; i < 5; i++){
            key = get_by_id("key" + i).value;
            if (wep_def_key[i-1].selectedIndex){
                if (key == ''){
                alert(msg[WEP_KEY_EMPTY]);
                    return false;
                }
          }else{
                if (key.length != wep_key_len && key.length != hex_len){
                        alert(TEXT041_1+" " + i + " "+TEXT041_2+" " + wep_key_len + " "+TEXT041_3+" " + hex_len + " "+TEXT041_4);//TEXT041
                        return false;
                }else if(key.length == hex_len){
                    for (var j = 0; j < key.length; j++){
                        if (!check_hex(key.substring(j, j+1))){
                            alert(TEXT042_1+" " + i + " "+TEXT042_2);//TEXT042
                            return false;
                        }
                    }
                    if(i == def_key)
                        get_by_id("wlan0_vap1_wep_display").value = "hex";
                }else{
                        if(i == def_key)
                            get_by_id("wlan0_vap1_wep_display").value = "ascii";
                }
          }
    }
    return true;
}

function check_key_1(){
    var key;
    var def_key = get_by_id("wep_def_key_1").value;
    var wep_def_key = get_by_id("wep_def_key_1");
    var wep_key_len = parseInt(get_by_id("wep_key_len_1").value);
    var hex_len = wep_key_len * 2;

    for(var i = 1; i < 5; i++){
            key = get_by_id("key" + (i+4)).value;
            if (wep_def_key[i-1].selectedIndex){
                if (key == ''){
                alert(msg[WEP_KEY_EMPTY]);
                    return false;
                }
          }else{
                if (key.length != wep_key_len && key.length != hex_len){
                        alert(TEXT041_1+" " + [i-5] + " "+TEXT041_2+" " + wep_key_len + " "+TEXT041_3+" " + hex_len + " "+TEXT041_4);//TEXT041
                        return false;
                }else if(key.length == hex_len){
                    for (var j = 0; j < key.length; j++){
                        if (!check_hex(key.substring(j, j+1))){
                            alert(TEXT042_1+" " + [i-5] + " "+TEXT042_2);//TEXT042
                            return false;
                        }
                    }
                    if(i == def_key)
                        get_by_id("wlan1_wep_display").value = "hex";
                }else{
                        if(i == def_key)
                            get_by_id("wlan1_wep_display").value = "ascii";
                }
          }
    }
    return true;
}
function check_vap1_key_1(){
    var key;
    var def_key = get_by_id("wep_def_key_1").value;
    var wep_def_key = get_by_id("wep_def_key_1");
    var wep_key_len = parseInt(get_by_id("wep_key_len_1").value);
    var hex_len = wep_key_len * 2;

    for(var i = 1; i < 5; i++){
            key = get_by_id("key" + (i+4)).value;
            if (wep_def_key[i-1].selectedIndex){
                if (key == ''){
                alert(msg[WEP_KEY_EMPTY]);
                    return false;
                }
          }else{
                if (key.length != wep_key_len && key.length != hex_len){
                        alert(TEXT041_1+" " + [i-5] + " "+TEXT041_2+" " + wep_key_len + " "+TEXT041_3+" " + hex_len + " "+TEXT041_4);//TEXT041
                        return false;
                }else if(key.length == hex_len){
                    for (var j = 0; j < key.length; j++){
                        if (!check_hex(key.substring(j, j+1))){
                            alert(TEXT042_1+" " + [i-5] + " "+TEXT042_2);//TEXT042
                            return false;
                        }
                    }
                    if(i == def_key)
                        get_by_id("wlan1_vap1_wep_display").value = "hex";
                }else{
                        if(i == def_key)
                            get_by_id("wlan1_vap1_wep_display").value = "ascii";
                }
          }
    }
    return true;
}

function check_integer(which_value, min, max){
    var temp_obj = (which_value).split(" ");

    if (temp_obj == "" || temp_obj.length > 1 || isNaN(which_value)){
        return false;
    }else if (parseInt(which_value,10) < min || parseInt(which_value,10) > max){
        return false;
    }

    return true;
}

function get_seq(index){
    var seq;

    switch(index){
        case 0:
            seq = "1st";
            break;
        case 1:
            seq = "2nd";
            break;
        case 2:
            seq = "3rd";
            break;
        case 3:
            seq = "4th";
            break;
    }
    return seq;
}

function check_ip_range(order, my_obj, mask){
    var which_ip = (my_obj.addr[order]).split(" ");
    var start, end;

    if (isNaN(which_ip) || which_ip == "" || which_ip.length > 1 || (which_ip[0].length > 1 && which_ip[0].substring(0,1) == "0")){ // if the address is invalid
        alert(my_obj.e_msg[FIRST_IP_ERROR + order]);
        return false;
    }

    if (order == 0){                // the checking range of 1st address
        start = 1;
    }else{
                start = 0;
            }

    if (mask[order] != 255){
        if (parseInt(which_ip) >= 0 && parseInt(which_ip) <= 255){
            end = (~mask[order]+256);
            start = mask[order] & which_ip;
            end += start;

            if (end > 255){
                end = 255;
            }
        }else{
            end = 255;
        }
    }else{
        end = 255;
    }


    if (order == 3){
        if ((mask[0] == 255) && (mask[1] == 255) && (mask[2] == 255)){
            start += 1;
            end -= 1;
        }else{
            if (((mask[0] | (~my_obj.addr[0]+256)) == 255) && ((mask[1] | (~my_obj.addr[1]+256)) == 255) && ((mask[2] | (~my_obj.addr[2]+256)) == 255)){
                start += 1;
            }

            if (((mask[0] | my_obj.addr[0]) == 255) && ((mask[1] | my_obj.addr[1]) == 255) && ((mask[2] | my_obj.addr[2]) == 255)){
                end -= 1;
            }
        }
        }

    if (parseInt(which_ip) < start || parseInt(which_ip) > end){
        alert(my_obj.e_msg[FIRST_RANGE_ERROR + order] + " " + start + " ~ " + end + ".");
        return false;
    }

    return true;
}

function check_current_range(order, my_obj, checking_ip, mask){
    var which_ip = (my_obj.addr[order]).split(" ");
    var start, end;

    if (isNaN(which_ip) || which_ip == "" || which_ip.length > 1 || (which_ip[0].length > 1 && which_ip[0].substring(0,1) == "0")){ // if the address is invalid
        alert(my_obj.e_msg[FIRST_IP_ERROR + order]);
        return false;
    }

    if (order == 0){                // the checking range of 1st address
        start = 1;
    }else{
        start = 0;
    }

    if (mask[order] != 255){
        if (parseInt(checking_ip[order]) >= 0 && parseInt(checking_ip[order]) <= 255){
            end = (~mask[order]+256);
            start = mask[order] & checking_ip[order];
            end += start;

            if (end > 255){
                end = 255;
            }
        }else{
            end = 255;
        }
    }else{
        end = 255;
    }

    if (order == 3){
        if ((mask[0] == 255) && (mask[1] == 255) && (mask[2] == 255)){
            start += 1;
            end -= 1;
        }else{
            if (((mask[0] | (~my_obj.addr[0]+256)) == 255) && ((mask[1] | (~my_obj.addr[1]+256)) == 255) && ((mask[2] | (~my_obj.addr[2]+256)) == 255)){
                start += 1;
            }

            if (((mask[0] | my_obj.addr[0]) == 255) && ((mask[1] | my_obj.addr[1]) == 255) && ((mask[2] | my_obj.addr[2]) == 255)){
                end -= 1;
            }
        }
    }

    if (parseInt(which_ip) < start || parseInt(which_ip) > end){
        alert(my_obj.e_msg[FIRST_RANGE_ERROR + order] + " " + start + " ~ " + end + ".");
        return false;
    }

    return true;
}

function check_hex(data){
    data = data.toUpperCase();

    if (!(data >= 'A' && data <= 'F') && !(data >= '0' && data <= '9')){
        return false;
    }
    return true;
}

function check_lan_setting(ip, mask, gateway, obj_word){

     if (!check_mask(mask)){
        return false;   // when subnet mask is not in the subnet mask range
    }else if (!check_address(ip, mask)){
        return false;       // when ip is invalid
    }else if (!check_address(gateway, mask, ip)){
        return false;   // when gateway is invalid
    }else if (!check_domain(ip, mask, gateway)){        // check if the ip and the gateway are in the same subnet mask or not
        var gateway_ipaddr_1 = gateway.addr[0]+"."+gateway.addr[1]+"."+gateway.addr[2]+"."+gateway.addr[3];
        alert(addstr(msg[NOT_SAME_DOMAIN], obj_word, gateway_ipaddr_1));
        return false;
    }
    return true;
}
function check_mac(mac){
    var temp_mac = mac.split(":");
    var error = true;
    if (temp_mac.length == 6){
        if(temp_mac[0] != "00" && temp_mac[0] != "08"){
            return false;
        }
        for (var i = 0; i < 6; i++){
            var temp_str = temp_mac[i];

            if (temp_str == ""){
                error = false;
            }else{
                if (!check_hex(temp_str.substring(0,1)) || !check_hex(temp_str.substring(1))){
                    error = false;
                }
            }

            if (!error){
                break;
            }
        }
    }else{
        error = false;
    }
    return error;
}
function check_mac_00(mac){
    var error = true;
    if((mac.indexOf(':') != -1)){
        var temp_mac = mac.split(":");
    }else if((mac.indexOf('-') != -1)){
        var temp_mac = mac.split("-");
    }

    if(mac.length != 17) {
        return false;
    }
    if(mac.substring(0,2) != "00"){
        return false;
    }

    if (temp_mac.length == 6){
        var j=0;
        for (var i = 0; i < 6; i++){
            var temp_str = temp_mac[i];

            if (temp_str == ""){
                error = false;
            }
            else if(temp_str == "00"){
                j++;
            }
            else{
                if (!check_hex(temp_str.substring(0,1)) || !check_hex(temp_str.substring(1))){
                    error = false;
                }
            }
            if (!error){
                break;
            }
        }
        if(j==6)
            error = false;
    }else{
        error = false;
    }
    return error;
}

function check_address(my_obj, mask_obj, ip_obj){
    var count_zero = 0;
    var count_bcast = 0;
    var ip = my_obj.addr;
    var mask;

    if (my_obj.addr.length == 4){
        // check the ip is not multicast IP (127.x.x.x && 224.x.x.x ~ 239.x.x.x)
        if((my_obj.addr[0] == "127") || ((my_obj.addr[0] >= 224) && (my_obj.addr[0] <= 239))){
            alert(my_obj.e_msg[MULTICASE_IP_ERROR]);
            return false;
        }
        // check the ip is "0.0.0.0" or not
        for(var i = 0; i < ip.length; i++){
            if (ip[i] == "0"){
                count_zero++;
            }
        }

        if (!my_obj.allow_zero && count_zero == 4){ // if the ip is not allowed to be 0.0.0.0
            alert(my_obj.e_msg[ZERO_IP]);           // but we check the ip is 0.0.0.0
            return false;
        }else if (count_zero != 4){     // when IP is not 0.0.0.0, checking range. Otherwise no need to check
            count_zero = 0;

            if (check_address.arguments.length >= 2 && mask_obj != null){
                mask = mask_obj.addr;
            }else{
                mask = new Array(255,255,255,0);
            }

            for(var i = 0; i < ip.length; i++){

                if (check_address.arguments.length == 3 && ip_obj != null){
                    if (!check_current_range(i, my_obj, ip_obj.addr, mask)){
                        return false;
                    }
                }else{
                    if (!check_ip_range(i, my_obj, mask)){
                        return false;
                    }
                }
            }

            for (var i = 0; i < 4; i++){    // check the IP address is a network address or a broadcast address
                if (((~mask[i] + 256) & ip[i]) == 0){   // (~mask[i] + 256) = reverse mask[i]
                    count_zero++;
                }

                if ((mask[i] | ip[i]) == 255){
                    count_bcast++;
                }
            }

            if ((count_zero == 4 && !my_obj.is_network) || (count_bcast == 4)){
                alert(my_obj.e_msg[INVALID_IP]);
                return false;
            }
        }
    }else{  // if the length of ip is not correct, show invalid ip msg
        alert(my_obj.e_msg[INVALID_IP]);
        return false;
    }

    return true;
}

function check_route_mask(my_mask){
    var temp_mask = my_mask.addr;

    if (temp_mask.length == 4){
        for (var i = 0; i < temp_mask.length; i++){
            var which_ip = temp_mask[i].split(" ");
            var mask = parseInt(temp_mask[i]);
            var in_range = false;
            var j = 0;

            if (isNaN(which_ip) || which_ip == "" || which_ip.length > 1 || (which_ip[0].length > 1 && which_ip[0].substring(0,1) == "0")){ // if the address is invalid
                alert(my_mask.e_msg[FIRST_IP_ERROR + i]);
                return false;
            }

            if (i == 0){    // when it's 1st address
                j = 1;      // the 1st address can't be 0
            }

            for (; j < subnet_mask.length; j++){
                if (mask == subnet_mask[j]){
                    in_range = true;
                    break;
                }else{
                    in_range = false;
                }
            }

            if (!in_range){
                alert(my_mask.e_msg[FIRST_RANGE_ERROR + i]);
                return false;
            }

            if (i != 0 && mask != 0){ // when not the 1st range and the value is not 0
                if (parseInt(temp_mask[i-1]) != 255){  // check the previous value is 255 or not
                    alert(my_mask.e_msg[INVALID_IP]);
                    return false;
                }
            }

            //if (i == 3 && (parseInt(mask) == 254 || parseInt(mask) == 255)){  // route mask don't check 4th mask=255 or 254
            //  alert(my_mask.e_msg[FOURTH_RANGE_ERROR]);
            //  return false;
            //}
        }
    }else{
        alert(my_mask.e_msg[INVALID_IP]);
        return false;
    }

    return true;
}
function check_mask(my_mask){
    var temp_mask = my_mask.addr;

    if (temp_mask.length == 4){
        for (var i = 0; i < temp_mask.length; i++){
            var which_ip = temp_mask[i].split(" ");
            var mask = parseInt(temp_mask[i]);
            var in_range = false;
            var j = 0;

            if (isNaN(which_ip) || which_ip == "" || which_ip.length > 1 || (which_ip[0].length > 1 && which_ip[0].substring(0,1) == "0")){ // if the address is invalid
                alert(my_mask.e_msg[FIRST_IP_ERROR + i]);
                return false;
            }

            if (i == 0){    // when it's 1st address
                j = 1;      // the 1st address can't be 0
            }

            for (; j < subnet_mask.length; j++){
                if (mask == subnet_mask[j]){
                    in_range = true;
                    break;
                }else{
                    in_range = false;
                }
            }

            if (!in_range){
                alert(my_mask.e_msg[FIRST_RANGE_ERROR + i]);
                return false;
            }

            if (i != 0 && mask != 0){ // when not the 1st range and the value is not 0
                if (parseInt(temp_mask[i-1]) != 255){  // check the previous value is 255 or not
                    alert(my_mask.e_msg[INVALID_IP]);
                    return false;
                }
            }

            if (i == 3 && (parseInt(mask) == 254 || parseInt(mask) == 255)){    // when the last mask address is 255
                alert(my_mask.e_msg[FOURTH_RANGE_ERROR]);
                return false;
            }
        }
    }else{
        alert(my_mask.e_msg[INVALID_IP]);
        return false;
    }

    return true;
}


function check_pwd(pwd1, pwd2){
    if (get_by_id(pwd1).value != get_by_id(pwd2).value){
         //alert(msg[MATCH_PWD_ERROR]);
         alert(YM102);
        return false;
    }
    return true;
}

function check_port(port){
    var temp_port = port.split(" ");

    if (isNaN(port) || port == "" || temp_port.length > 1
            || (parseInt(port) < 1 || parseInt(port) > 65535)){
         return false;
    }
    return true;
}

function check_radius(radius){
    if (!check_address(radius.ip)){
        return false;
    }else if (!check_port(radius.port)){
        alert(radius.ip.e_msg[RADIUS_SERVER_PORT_ERROR]);
        return false;
    }else if (radius.secret == ""){
        alert(radius.ip.e_msg[RADIUS_SERVER_SECRET_ERROR]);
        return false;
    }

    return true;
}

function check_ssid(id){
    if (get_by_id(id).value == ""){
        alert(msg[SSID_EMPTY_ERROR]);
        return false;
    }
    return true;
}

function check_varible(obj){
    var temp_obj = obj.var_value.split(" ");

    if (temp_obj == "" || temp_obj.length > 1){
        alert(obj.e_msg[EMPTY_VARIBLE_ERROR]);
        return false;
    }else if (isNaN(obj.var_value)){
        alert(obj.e_msg[INVALID_VARIBLE_ERROR]);
        return false;
    }else if (parseInt(obj.var_value) < obj.min || parseInt(obj.var_value) > obj.max){
        alert(obj.e_msg[VARIBLE_RANGE_ERROR]);
        return false;
    }else if (obj.is_even && (parseInt(obj.var_value) % 2 != 0)){
        alert(obj.e_msg[EVEN_NUMBER_ERROR]);
        return false;
    }
    return true;
}

function check_pf_port(port){
    var temp_port = port.split(" ");

    if (isNaN(port) || port == "" || temp_port.length > 1
            || (parseInt(port) <= 0 || parseInt(port) > 65535)){
        return false;
    }
    return true;
}

function check_multi_port(remote_port, obj_port){
    //multi-port: 25,80,110,443,50000-65535
    var port_info = obj_port + ",";
    var port = port_info.split(",");

    for(var i = 0; i < port.length; i++){
        var port_range = port[i].split("-");
        if(port_range.length > 1){
            if(parseInt(port_range[0]) <= parseInt(remote_port) && parseInt(port_range[1]) >= parseInt(remote_port)){
                return false;
            }
        }else{
            if(port[i] == remote_port){
                return false;
            }
        }
    }
    return true;
}

function change_color(table_name, row){
    var obj = get_by_id(table_name);
    for (var i = 1; i < obj.rows.length; i++){
        if (row == i){
            obj.rows[i].style.backgroundColor = "#FFFF00";
        }else{
            obj.rows[i].style.backgroundColor = "#FFFFFF";
        }
    }
}

function exit_wizard(){
    //if (confirm(msg[QUIT_WIZARD])){
    if (confirm(_wizquit)){
        window.close();
    }
}

function exit_access(){
    //if (confirm(msg[QUIT_WIZARD])){
    if (confirm(_wizquit)){
        window.location.href = "adv_access_control.asp";
    }
}

function get_by_id(id){
    with(document){
        return getElementById(id);
    }
}

function get_by_name(name){
    with(document){
        return getElementsByName(name);
    }
}

function openwin(url,w,h) {
    var winleft = (screen.width - w) / 2;
    var wintop = (screen.height - h) / 2;
    window.open(url,"popup",'width='+w+',height='+h+',top='+wintop+',left='+winleft+',scrollbars=yes,status=no,location=no,resizable=yes')
}

function send_submit(which_form){
    get_by_id(which_form).submit();
}

function set_server(is_enable){
    var enable = get_by_id("enable");

    if (is_enable == "1"){
        enable[0].checked = true;
    }else{
        enable[1].checked = true;
    }
}

function set_protocol(which_value, obj){
    for (var i = 0; i < 3; i++){
        if (which_value == obj.options[i].value){
            obj.selectedIndex = i;
            break;
        }
    }
}

function set_schedule(data, index){
    var schd = get_by_name("schd");

    if (data[index] == "0"){
        schd[0].checked = true;
    }else{
        schd[1].checked = true;
    }

    get_by_id("hour1").selectedIndex = data[index+1];
    get_by_id("min1").selectedIndex = data[index+2];
    get_by_id("am1").selectedIndex = data[index+3];
    get_by_id("hour2").selectedIndex = data[index+4];
    get_by_id("min2").selectedIndex = data[index+5];
    get_by_id("am2").selectedIndex = data[index+6];
    get_by_id("day1").selectedIndex = data[index+7];
    get_by_id("day2").selectedIndex = data[index+8];
}

function set_selectIndex(which_value, obj){
    for (var pp=0; pp<obj.options.length; pp++){
        if (which_value == obj.options[pp].value){
            obj.selectedIndex = pp;
            break;
        }
    }
}

function set_checked(which_value, obj){
    if(obj.length > 1){
        obj[0].checked = true;
        for(var pp=0;pp<obj.length;pp++){
            if(obj[pp].value == which_value){
                obj[pp].checked = true;
            }
        }
    }else{
        obj.checked = false;
        if(obj.value == which_value){
            obj.checked = true;
        }
    }
}

function get_checked_value(obj){
    if(obj.length > 1){
        for(pp=0;pp<obj.length;pp++){
            if(obj[pp].checked){
                return obj[pp].value;
            }
        }
    }else{
        if(obj.checked){
            return obj.value;
        }else{
            return 0;
        }
    }
}

function set_schedule_option(){
    for (var i = 0; i < 32; i++){
        var temp_sch = get_by_id("schedule_rule_" + i).value;
        var temp_data = temp_sch.split("/");

        if (temp_data.length > 1){
            document.write("<option value=" + temp_data[0] + ">" + temp_data[0] + "</option>");
        }
    }
}

function set_inbound_option(obj_value, idx){
    for (var i = 0; i < 24; i++){
        var k=i;
        if(parseInt(i,10)<10){
            k="0"+i;
        }
        var temp_inb = get_by_id("inbound_filter_name_" + k).value;
        var temp_data = temp_inb.split("/");

        if (temp_data.length > 1){
            obj_value += "<option value='" + temp_data[0] + "'>" + temp_data[0] + "</option>";
            load_inbound_used(k, temp_data, idx);
        }else{
            break;
        }
    }
    return obj_value;
}

function load_inbound_used(jj, obj_array, idx){
    if(obj_array[2].charAt(idx) == "1"){
        var is_used = "";
        if(idx == 0){
            is_used = "0"+ obj_array[2].substring(1,obj_array[2].length);
        }else if(idx == 1){
            is_used = obj_array[2].charAt(0) + "0"+ obj_array[2].substring(2,obj_array[2].length);
        }else if(idx == 2){
            is_used = obj_array[2].substring(0,2) + "0"+ obj_array[2].charAt(obj_array[2].length-1);
        }else if(idx == 3){
            is_used = obj_array[2].substr(0,obj_array[2].length-1) + "0";
        }
        get_by_id("inbound_filter_name_" + jj).value = obj_array[0] +"/"+ obj_array[1] +"/"+ is_used;
    }
}

function save_inbound_used(chk_value, idx){
    for (var i = 0; i < 24; i++){
        var k=i;
        if(parseInt(i,10)<10){
            k="0"+i;
        }
        var temp_inb = get_by_id("inbound_filter_name_" + k).value;
        var temp_data = temp_inb.split("/");

        if (temp_data.length > 1){
            var is_used = temp_data[2];
            if(temp_data[0] == chk_value){
                if(idx == 0){
                    is_used = "1"+ temp_data[2].substring(1,temp_data[2].length);
                }else if(idx == 1){
                    is_used = temp_data[2].charAt(0) + "1"+ temp_data[2].substring(2,temp_data[2].length);
                }else if(idx == 2){
                    is_used = temp_data[2].substring(0,2) + "1"+ temp_data[2].charAt(temp_data[2].length-1);
                }else if(idx == 3){
                    is_used = temp_data[2].substr(0,temp_data[2].length-1) + "1";
                }
            }
            get_by_id("inbound_filter_name_" + k).value = temp_data[0] +"/"+ temp_data[1] +"/"+ is_used;
        }else{
            break;
        }
    }
}

function set_dhcp_list(){
    var temp_dhcp_list = get_by_id("dhcp_list").value.split(",");

    for (var i = 0; i < temp_dhcp_list.length; i++){
        var temp_data = temp_dhcp_list[i].split("/");
        if(temp_data.length > 1){
        document.write("<option value='" + temp_data[1] + "'>" + temp_data[0] + "</option>");
        }
    }
}

function set_mac_list(parameter){
    var temp_dhcp_list = get_by_id("dhcp_list").value.split(",");

    for (var i = 0; i < temp_dhcp_list.length; i++){
        var temp_data = temp_dhcp_list[i].split("/");
        if(temp_data.length > 1){
            if(parameter == "mac"){
                document.write("<option value='" + temp_data[2] + "'>" + temp_data[0] + " (" + temp_data[2] + " )" + "</option>");
            }else if(parameter == "ip"){
                document.write("<option value='" + temp_data[1] + "'>" + temp_data[0] + " (" + temp_data[1] + " )" + "</option>");
            }else{
                document.write("<option value='" + temp_data[2] + "'>" + temp_data[0] + "</option>");
            }
        }
    }
}

function set_mac(mac){
    var temp_mac = mac.split(":");
    for (var i = 0; i < 6; i++){
        var obj = get_by_id("mac" + (i+1));
        obj.value = temp_mac[i];
    }
}

function show_dns(type){
    if (type){
        get_by_id("dns1").value = "0.0.0.0";
        get_by_id("dns2").value = "0.0.0.0";
    }
}

function show_wizard(name){
    window.open(name,"Wizard","width=450,height=370");
}

function show_window(name){
    window.open(name,"Window","width=500,height=600,scrollbar=yes");
}

function show_schedule_detail(idx){
    var temp_rule, detail;
    temp_rule = get_by_id("schedule_rule_" + idx).value;

    var rule = temp_rule.split("/");
    var s = new Array();

    for(var j = 0; j < 8; j++){
        if(rule[1].charAt(j) == "1"){
            s[j] = "1";
        }else{
            s[j] = "0";
        }
    }

    var s_day = "", count = 0;
    for(var j = 0; j < 8; j++){
        if(s[j] == "1"){
            s_day = s_day + " " + Week[j];
            count++;
        }
    }

    if(count == 7){
        s_day = "All week";
    }

    var temp_time_array = rule[2] + "~" + rule[3];
    if(rule[2] == "00:00" && rule[3] == "24:00"){
        temp_time_array = "All Day";
    }

    detail = s_day + " " + temp_time_array;
    return detail;
}

function get_row_data(obj, index){

    try {
        return obj.cells[index].childNodes[0].data;
    }catch(e) {
        return ("");
    }
}

function copy_virtual(index){
    var data;

    if (get_by_id("application" + index).selectedIndex > 0){
        data = default_virtual[get_by_id("application" + index).selectedIndex - 1];
        get_by_id("name" + index).value = data.name;
        get_by_id("public_portS" + index).value = data.public_port;
        get_by_id("private_portS" + index).value = data.private_port;
        get_by_id("protocol" + index).value = data.prot;
        set_vs_protocol(index, data.prot, get_by_id("protocol_select" + index));
    }else{
        //alert(msg[SELECT_APPLICATION_ERROR]);
        alert(GW_NAT_NAME_INVALID);
    }
}

function copy_portforward(index){
    var data;

    if (get_by_id("application" + index).selectedIndex > 0){
        data = default_rule[get_by_id("application" + index).selectedIndex - 1];
        get_by_id("name" + index).value = data.name;
        get_by_id("tcp_ports" + index).value = data.public_port;
        //get_by_id("public_portE" + index).value = data.public_port;
        get_by_id("udp_ports" + index).value = data.private_port;
        //get_by_id("private_portE" + index).value = data.private_port;
        //set_protocol(data.prot, get_by_id("protocol" + index));
    }else{
        //alert(msg[SELECT_APPLICATION_ERROR]);
        alert(GW_NAT_NAME_INVALID);
    }
}

function copy_special_appl(index){
    var name = get_by_id("name" + index);
    var trigger_port = get_by_id("trigger_port" + index);
    var trigger_type = get_by_id("trigger" + index);
    var public_port = get_by_id("public_port" + index);
    var public_type = get_by_id("public" + index);
    var application = get_by_id("application" + index);
    var data;

    if (application.selectedIndex > 0){
        data = default_appl[application.selectedIndex - 1];
        name.value = data.name;
        trigger_port.value = data.trigger_port;
        public_port.value = data.public_port;
        set_protocol(data.trigger_prot, trigger_type);
        set_protocol(data.public_prot, public_type);
    }else{
        //alert(msg[SELECT_APPLICATION_ERROR]);
        alert(GW_NAT_NAME_INVALID);
    }

}

function copy_ip(index){

    if (get_by_id("ip_list" + index).selectedIndex > 0){
        get_by_id("ip" + index).value = get_by_id("ip_list" + index).options[get_by_id("ip_list" + index).selectedIndex].value;
    }else{
        alert(msg[SELECT_COMPUTER_ERROR]);
    }
}

function get_random_char(){
    var number_list = "1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
    var number = Math.round(Math.random()*62);

    return(number_list.substring(number, number + 1));
}

function generate_psk(key){
    var i = key.length;

    if (key.length < 8){
        for (; i < 8; i++){
            key += get_random_char();
        }
    }

    return key;
}

function create_wep_key128(passpharse, pharse_len){
    var pseed2 = "";
    var md5_str = "";
    var count;


    for(var i = 0; i < 64; i++){
        count = i % pharse_len;
        pseed2 += passpharse.substring(count, count+1);
    }

    md5_str = calcMD5(pseed2);

    return md5_str.substring(0, 26).toUpperCase();
}
function check_ascii_key_fun(data){

    if (!(data >= 'A' && data <= 'Z') && !(data >= '0' && data <= '9') && !(data >= 'a' && data <= 'z')){
        return false;
    }
    return true;
}

function check_name_key_fun(data){
    if (!(data >= 'A' && data <= 'Z') && !(data >= '0' && data <= '9') && !(data >= 'a' && data <= 'z') && !(data == "-") && !(data == "_")){
        return false;
    }
    return true;
}

function _isNumeric(str) {
        var i;
        for(i = 0; i<str.length; i++) {
            var c = str.substring(i, i+1);
            if("0" <= c && c <= "9") {
                continue;
            }
            return false;
        }
        return true;
    }

function check_name_word_fun(obj,word){
    for(var k=0;k<obj.length;k++){
        if (!check_name_key_fun(obj.substring(k, k+1))){
            alert(word+" invalid. the legal characters are 0~9, A~Z, or a~z,-,_.");
            return false;
        }
    }
    return true;
}

function Find_word(strOrg,strFind){
    var index = 0;
    index = strOrg.indexOf(strFind,index);
    if (index > -1){
        return true;
    }
    return false;
}

function a_to_hex(inValue) {
    var outValue = "";
    if (inValue) {
        for (i = 0; i < inValue.length; i++) {
            if(inValue.charCodeAt(i).toString(16) < 10)
                outValue += 0;
            if(inValue.charCodeAt(i).toString(16) > 'a' && inValue.charCodeAt(i).toString(16) <= 'f')
                if(inValue.charCodeAt(i).toString(16).length == 1)
                    outValue += 0;
            outValue += inValue.charCodeAt(i).toString(16);
        }
    }
    return outValue;
}

function hex_to_a(inValue){
    outValue = "";
    var k = '';
    for (i = 0; i < inValue.length; i++) {
        l = i % 2;
        if (l == 0)
            k += "%";
        k += inValue.substr(i, 1);
    }
    outValue = unescape(k);
    return outValue;
}

function change_word(inValue,strFind,strAdd){
    var outValue = "";
    for(var i=0;i<inValue.length;i++){
        if(inValue.substr(i,1) == strFind)
            outValue = outValue + strAdd;
        outValue += inValue.substr(i,1);
    }
    return outValue;
}

function ReplaceAll(strOrg,strFind,strReplace){
    var index = 0;
    while(strOrg.indexOf(strFind,index) != -1){
            strOrg = strOrg.replace(strFind,strReplace);
            index = strOrg.indexOf(strFind,index);
    }
    return strOrg
}

function addstr(input_msg)
{
    var last_msg = "";
    var str_location;
    var temp_str_1 = "";
    var temp_str_2 = "";
    var str_num = 0;
    temp_str_1 = addstr.arguments[0];
    while(1)
    {
        str_location = temp_str_1.indexOf("%s");
        if(str_location >= 0)
        {
            str_num++;
            temp_str_2 = temp_str_1.substring(0,str_location);
            last_msg += temp_str_2 + addstr.arguments[str_num];
            temp_str_1 = temp_str_1.substring(str_location+2,temp_str_1.length);
            continue;
        }
        if(str_location < 0)
        {
            last_msg += temp_str_1;
            break;
        }
    }
    return last_msg;
}

function replace_msg(obj_S){
    obj_D = new Array();
    for (i=0;i<obj_S.length;i++){
        obj_D[i] = addstr(obj_S[i], replace_msg.arguments[1]);
        obj_D[i] = obj_D[i].replace("%1n", replace_msg.arguments[2]);
        obj_D[i] = obj_D[i].replace("%2n", replace_msg.arguments[3]);
    }
    return obj_D;
}
function ip_num(IP_array){
    var total1 = 0;
    if(IP_array.length > 1){
        total1 += parseInt(IP_array[3],10);
        total1 += parseInt(IP_array[2],10)*256;
        total1 += parseInt(IP_array[1],10)*256*256;
        total1 += parseInt(IP_array[0],10)*256*256*256;
    }
    return total1;
}

function check_LAN_ip(LAN_IP, CHK_IP, obj_name){
    if(ip_num(LAN_IP) == ip_num(CHK_IP)){
        //alert(addstr(msg[THE_SAME_LAN_IP], obj_name));
        alert(addstr(LW1, obj_name));
        return false;
    }
    return true;
}

function isHex(str) {
    var i;
    for(i = 0; i<str.length; i++) {
        var c = str.substring(i, i+1);
        if(("0" <= c && c <= "9") || ("a" <= c && c <= "f") || ("A" <= c && c <= "F")) {
            continue;
        }
        return false;
    }
    return true;
}

function open_more(rule_num, num, is_hidden, obj){
    var open_word = "none";
    get_by_id("show_more_word").style.display = "";
    get_by_id("show_less_word").style.display = "none";
    if(is_hidden){
        get_by_id("show_more_word").style.display = "none";
        get_by_id("show_less_word").style.display = "";
        open_word = "";
    }
    var start_num = parseInt(rule_num-1,10);
    for(j=start_num;j>=num;j--){
        get_by_id(obj+j).style.display = open_word;
    }
}

/*Date Used, copy by Netgear*/
function getDaysInMonth(mon,year)
{
    var days;
    if (mon==1 || mon==3 || mon==5 || mon==7 || mon==8 || mon==10 || mon==12) days=31;
    else if (mon==4 || mon==6 || mon==9 || mon==11) days=30;
    else if (mon==2)
    {
        if (isLeapYear(year)) { days=29; }
        else { days=28; }
    }
    return (days);
}

function isLeapYear (Year)
{
    if (((Year % 4)==0) && ((Year % 100)!=0) || ((Year % 400)==0)) {
        return (true);
    } else { return (false); }
}

function key_word(newobj,obj){
    get_by_id(obj).value = newobj.value;
}

/*
 * is_form_modified
 *  Check if a form's current values differ from saved values in custom attribute.
 *  Function skips elements with attribute: 'modified'= 'ignore'.
 */
function is_form_modified(form_id)
{
    var df = document.forms[form_id];
    if (!df) {
        return false;
    }
    if (df.getAttribute('modified') == "true") {
        return true;
    }
    if (df.getAttribute('saved') != "true") {
        return false;
    }
    for (var i = 0, k = df.elements.length; i < k; i++) {
        var obj = df.elements[i];
        if (obj.getAttribute('modified') == 'ignore') {
            continue;
        }
        var name = obj.tagName.toLowerCase();
        if (name == 'input') {
            var type = obj.type.toLowerCase();
            if (((type == 'text') || (type == 'textarea') || (type == 'password') || (type == 'hidden')) &&
                    !are_values_equal(obj.getAttribute('default'), obj.value)) {
                return true;
            } else if (((type == 'checkbox') || (type == 'radio')) && !are_values_equal(obj.getAttribute('default'), obj.checked)) {
                return true;
            }
        } else if (name == 'select') {
            var opt = obj.options;
            for (var j = 0; j < opt.length; j++) {
                if (!are_values_equal(opt[j].getAttribute('default'), opt[j].selected)) {
                    return true;
                }
            }
        }
    }
    return false;
}

/*
 * set_form_default_values
 *  Save a form's current values to a custom attribute.
 */
function set_form_default_values(form_id)
{
    var df = document.forms[form_id];
    if (!df) {
        return;
    }
    for (var i = 0, k = df.elements.length; i < k; i++) {
        var obj = df.elements[i];
        if (obj.getAttribute('modified') == 'ignore') {
            continue;
        }
        var name = obj.tagName.toLowerCase();
        if (name == 'input') {
            var type = obj.type.toLowerCase();
            if ((type == 'text') || (type == 'textarea') || (type == 'password') || (type == 'hidden')) {
                obj.setAttribute('default', obj.value);
                /* Workaround for FF error when calling focus() from an input text element. */
                if (type == 'text') {
                    obj.setAttribute('autocomplete', 'off');
                }
            } else if ((type == 'checkbox') || (type == 'radio')) {
                obj.setAttribute('default', obj.checked);
            }
        } else if (name == 'select') {
            var opt = obj.options;
            for (var j = 0; j < opt.length; j++) {
                opt[j].setAttribute('default', opt[j].selected);
            }
        }
    }
    df.setAttribute('saved', "true");
}

/*
 * are_values_equal()
 *  Compare values of types boolean, string and number. The types may be different.
 *  Returns true if values are equal.
 */
function are_values_equal(val1, val2)
{
    /* Make sure we can handle these values. */
    switch (typeof(val1)) {
    case 'boolean':
    case 'string':
    case 'number':
        break;
    default:
        // alert("are_values_equal does not handle the type '" + typeof(val1) + "' of val1 '" + val1 + "'.");
        return false;
    }

    switch (typeof(val2)) {
    case 'boolean':
        switch (typeof(val1)) {
        case 'boolean':
            return (val1 == val2);
        case 'string':
            if (val2) {
                return (val1 == "1" || val1.toLowerCase() == "true" || val1.toLowerCase() == "on");
            } else {
                return (val1 == "0" || val1.toLowerCase() == "false" || val1.toLowerCase() == "off");
            }
            break;
        case 'number':
            return (val1 == val2 * 1);
        }
        break;
    case 'string':
        switch (typeof(val1)) {
        case 'boolean':
            if (val1) {
                return (val2 == "1" || val2.toLowerCase() == "true" || val2.toLowerCase() == "on");
            } else {
                return (val2 == "0" || val2.toLowerCase() == "false" || val2.toLowerCase() == "off");
            }
            break;
        case 'string':
            if (val2 == "1" || val2.toLowerCase() == "true" || val2.toLowerCase() == "on") {
                return (val1 == "1" || val1.toLowerCase() == "true" || val1.toLowerCase() == "on");
            }
            if (val2 == "0" || val2.toLowerCase() == "false" || val2.toLowerCase() == "off") {
                return (val1 == "0" || val1.toLowerCase() == "false" || val1.toLowerCase() == "off");
            }
            return (val2 == val1);
        case 'number':
            if (val2 == "1" || val2.toLowerCase() == "true" || val2.toLowerCase() == "on") {
                return (val1 == 1);
            }
            if (val2 == "0" || val2.toLowerCase() == "false" || val2.toLowerCase() == "off") {
                return (val1 === 0);
            }
            return (val2 == val1 + "");
        }
        break;
    case 'number':
        switch (typeof(val1)) {
        case 'boolean':
            return (val1 * 1 == val2);
        case 'string':
            if (val1 == "1" || val1.toLowerCase() == "true" || val1.toLowerCase() == "on") {
                return (val2 == 1);
            }
            if (val1 == "0" || val1.toLowerCase() == "false" || val1.toLowerCase() == "off") {
                return (val2 === 0);
            }
            return (val1 == val2 + "");
        case 'number':
            return (val2 == val1);
        }
        break;
    default:
        return false;
    }
}

function jump_if(){
    for (var i = 0; i < document.forms.length; i++) {
        if (is_form_modified(document.forms[i].id)) {
            if (!confirm(up_jt_1+"\n"+up_jt_2+"\n"+up_jt_3)){
                return false;
            }
        }
    }
    return true;
}
function jump_3g_if(){
    get_by_id("asp_temp_72").value = get_by_id("usb_type").value
    send_submit('wwan_form');
    for (var i = 0; i < document.forms.length; i++) {
        if (is_form_modified(document.forms[i].id)) {
            if (!confirm(up_jt_1+"\n"+up_jt_2+"\n"+up_jt_3)){
                return false;
            }
        }
    }
    return true;
}

/*
 * Cancel and reset changes to the page.
 */
function page_cancel_1(form_name, redirect_url){
    if (!is_form_modified(form_name) && confirm (up_fm_dc_1)) {
        window.location.href=redirect_url;
    }
}
function page_cancel(form_name, redirect_url){
    if (is_form_modified(form_name) && confirm (up_fm_dc_1)) {
        window.location.href=redirect_url;
    }
}

function page_reboot(){
    jump_if();
    window.location.href='reboot.asp'
}

/*
 * trim_string
 *  Remove leading and trailing blank spaces from a string.
 */
function trim_string(str)
{
    var trim = str + "";
    trim = trim.replace(/^\s*/, "");
    return trim.replace(/\s*$/, "");
}

/*
 * is_mac_valid()
 *  Check if a MAC address is in a valid form.
 *  Allow 00:00:00:00:00:00 and FF:FF:FF:FF:FF:FF if optional argument is_full_range is true.
 */
function is_mac_valid(mac, is_full_range)
{
    var macstr = mac + "";
    var got = macstr.match(/^[0-9a-fA-F]{2}[:-]?[0-9a-fA-F]{2}[:-]?[0-9a-fA-F]{2}[:-]?[0-9a-fA-F]{2}[:-]?[0-9a-fA-F]{2}[:-]?[0-9a-fA-F]{2}$/);
    if (!got) {
        return false;
    }
    macstr = macstr.replace (/[:-]/g, '');
    if (!is_full_range && (macstr.match(/^0{12}$/) || macstr.match(/^[fF]{12}$/))) {
        return false;
    }

    return true;
}

/*
 * is_ipv4_valid
 *  Check is an IP address dotted string is valid.
 */
function is_ipv4_valid(ipaddr)
{
    var ip = ipv4_to_bytearray(ipaddr);
    if (ip === 0) {
        return false;
    }
    return true;
}

/*
 * ipv4_to_bytearray
 *  Convert an IPv4 address dotted string to a byte array
 */
function ipv4_to_bytearray(ipaddr)
{
    var ip = ipaddr + "";
    var got = ip.match (/^\s*(\d{1,3})\s*[.]\s*(\d{1,3})\s*[.]\s*(\d{1,3})\s*[.]\s*(\d{1,3})\s*$/);
    if (!got) {
        return 0;
    }
    var a = [];
    var q = 0;
    for (var i = 1; i <= 4; i++) {
        q = parseInt(got[i],10);
        if (q < 0 || q > 255) {
            return 0;
        }
        a[i-1] = q;
    }
    return a;
}

function check_ipv4_symbol(strOrg,strFind){
    /* Search ipv4_address has "." symbol */
    /*if false return 0, otherwises return 1 */
    var index = 0;
    index = strOrg.indexOf(strFind,index);

    if(index == -1)
            return 0;
    else
            return 1;
            }



function transValue(data)
{
    var value =0;
    data = data.toUpperCase();

    if(data == "0")
        value =0;
    else if(data =="1")
        value = 1;
    else if(data =="2")
        value = 2;
    else if(data =="3")
        value = 3;
    else if(data =="4")
        value = 4;
    else if(data =="5")
        value = 5;
    else if(data =="6")
        value = 6;
    else if(data =="7")
        value = 7;
    else if(data =="8")
        value = 8;
    else if(data =="9")
        value = 9;
    else if(data =="A")
        value = 10;
    else if(data =="B")
        value = 11;
    else if(data =="C")
        value = 12;
    else if(data =="D")
        value = 13;
    else if(data =="E")
        value = 14;
    else if(data =="F")
        value = 15;
    else
        value = 0;
    return value ;
}                                                                                                                                         ;




function check_symbol(strOrg,strFind){
    var index = 0;
    index = strOrg.indexOf(strFind,index);
    return index;
}

function find_colon(strOrg,strFind)
{
        var index=0;
        var colon=0;
        index = strOrg.indexOf(strFind,index);
        while(index != -1)
        {
                colon++;
                index++;
                index = strOrg.indexOf(strFind,index);
        }
        return colon;
}

function count_colon_pos(strOrg,strFind,count)
{
        var index =0;
        var i=0;

        for(i=0;i<count;i++){
                index = strOrg.indexOf(strFind,index);
                index++;
        }
        return index;
}

function count_last_colon_pos(strOrg,strFind)
{
                var index =0;
                var pos=0;

        while(1){
                index = strOrg.indexOf(strFind,index);
                if(index == -1)
                        break;
                pos = index;
                index++;
        }
        return pos;
}
function compare_suffix(start_suffix,end_suffix)
{
    var start_suffix_length = start_suffix.length;
    var end_suffix_length = end_suffix.length;

    var start_suffix_value =0;
    var end_suffix_value=0;

    //calculate the start_suffix
    if(start_suffix_length == 1){
        start_suffix_value = transValue(start_suffix.charAt(0)) * 1;
    }else if(start_suffix_length == 2){
        start_suffix_value = transValue(start_suffix.charAt(0)) * 16;
        start_suffix_value += transValue(start_suffix.charAt(1)) * 1;
    }else if(start_suffix_length == 3){
        start_suffix_value = transValue(start_suffix.charAt(0)) * 256;
        start_suffix_value += transValue(start_suffix.charAt(1)) * 16;
        start_suffix_value += transValue(start_suffix.charAt(2)) * 1;
    }else if(start_suffix_length == 4){
        start_suffix_value = transValue(start_suffix.charAt(0)) * 4096;
        start_suffix_value += transValue(start_suffix.charAt(1)) * 256;
        start_suffix_value += transValue(start_suffix.charAt(2)) * 16;
        start_suffix_value += transValue(start_suffix.charAt(3)) * 1;
    }

    //calculate the end_suffix
    if(end_suffix_length == 1){
        end_suffix_value = transValue(end_suffix.charAt(0)) * 1;
    }else if(end_suffix_length == 2){
        end_suffix_value = transValue(end_suffix.charAt(0)) * 16;
        end_suffix_value += transValue(end_suffix.charAt(1)) * 1;
    }else if(end_suffix_length == 3){
        end_suffix_value = transValue(end_suffix.charAt(0)) * 256;
        end_suffix_value += transValue(end_suffix.charAt(1)) * 16;
        end_suffix_value += transValue(end_suffix.charAt(2)) * 1;
    }else if(end_suffix_length == 4){
        end_suffix_value = transValue(end_suffix.charAt(0)) * 4096;
        end_suffix_value += transValue(end_suffix.charAt(1)) * 256;
        end_suffix_value += transValue(end_suffix.charAt(2)) * 16;
        end_suffix_value += transValue(end_suffix.charAt(3)) * 1;
    }

    if(start_suffix_value >= end_suffix_value){
        alert(MSG040);
        return false;
    }
    return true;
}
function show_words(word){
with(document){
    return write(word);
}
}

function open_more(rule_num, num, is_hidden, obj){
    var open_word = "none";
    get_by_id("show_more_word").style.display = "";
    get_by_id("show_less_word").style.display = "none";
    if(is_hidden){
        get_by_id("show_more_word").style.display = "none";
        get_by_id("show_less_word").style.display = "";
        open_word = "";
    }
    var start_num = parseInt(rule_num-1,10);
    for(j=start_num;j>=num;j--){
        get_by_id(obj+j).style.display = open_word;
    }
}

/* GraceYang
Disable All Form Elements
 */
function DisableEnableForm(xForm,xHow){
  objElems = xForm.elements;
  for(i=0;i<objElems.length;i++){
    objElems[i].disabled = xHow;
  }
}
//Set Language & Response URL - GraceYang 20090217
function set_lang(){
        //var url = document.URL.split("/");
        get_by_id("language").value = get_by_id("site").value;
        //get_by_id("html_response_lang").value = url[3];
        send_submit('lang_form');
   }

function get_lang(){
         set_selectIndex(get_by_id("language").value, get_by_id("site"));
   }

//Get schedule value - Tina Tsao 20090410
function get_schedule_value(idx){
    var tmp_schedule_index = get_by_id("schedule" + idx).selectedIndex;
    var schedule;
    if (tmp_schedule_index > 1){
        schedule = get_by_id("schedule_rule_" + (tmp_schedule_index-2)).value;
    }else if (tmp_schedule_index == 0){
        schedule = "Always";
    }else if (tmp_schedule_index == 1){
        schedule = "Never";
    }
    return schedule;
}


//Get schedule index - Tina Tsao 20090410
function get_schedule_index(which_value){
    var idx;
    for (var j = 0; j < 32; j++){
        var temp_sch = get_by_id("schedule_rule_" + j).value;
        var temp = temp_sch.split("/");
        if(which_value == temp[0]){
            idx = j;
        }
    }
    return idx;
}