current_hash = '';

var hashchange = function(){

    var body = document.getElementsByTagName('body');
    current_hash = window.location.hash;

    if( body.onHashChange != null ){//native support for hashchange

        hashchange = function(){
            hash = window.location.hash;
            if(hash != 'content' && hash != 'navigation')
                loadContent(revertHash());
        };
        body.onHashChange = hashchange();

    }else{

        hashchange = function(){

            hash = window.location.hash;
            if(hash != current_hash && hash != 'content' && hash != 'navigation')
                loadContent(revertHash());
        };

        setInterval ( hashchange, 1000);

    }

}

hashchange();

function revertHash(){

    //given a formatted hash, unformat it.
    var hash = window.location.hash;

    if(hash.substring(0,1) == '#')
        hash = hash.substring(1,hash.length);//remove starting hash. browser quibbles.

    while(hash.substring(0,1) == '/')
        hash = hash.substring(1,hash.length);//remove all slashes, better safe.

    if(hash.substr(hash.length-1,hash.length) == '/')
        hash = hash.substr(0,hash.length-1)+'.php';

    return hash;

}

function loadContent(pagename) {

    //we want in the format /ispconfig/#/page/

    origional_pagename = pagename;

    if(pagename.substring(0,1) != '/')//if it doesn't start with a slash.
        pagename = '/'+pagename;//looks neater

    if(origional_pagename != '')//do not want #//
        pagename = pagename.substring(0,pagename.length-4)+'/';//removes .php, adds trailing slash.

    window.location.hash = pagename;
    current_hash = window.location.hash;

    pagename = origional_pagename;

    if(pagename == ''){
        loadInitContent();
        return;
    }

    var pageContentCallback2 = {
        success: function(o) {
            if(o.responseText.indexOf('HEADER_REDIRECT:') > -1) {
                var parts = o.responseText.split(':');
                loadContent(parts[1]);
            } else if (o.responseText.indexOf('URL_REDIRECT:') > -1) {
                var newUrl= o.responseText.substr(o.responseText.indexOf('URL_REDIRECT:') + "URL_REDIRECT:".length);
                document.location.href = newUrl;
            } else {
                document.getElementById('pageContent').innerHTML = o.responseText;
            }
        },
        failure: function(o) {
            alert('Ajax Request was not successful.');
        }
    }


  var pageContentObject2 = YAHOO.util.Connect.asyncRequest('GET', pagename, pageContentCallback2);
}


function loadInitContent() {

    if(window.location.hash != ''){

        pagename = revertHash();

        if( pagename != ''){//we have something!

            loadContent(pagename);//turn our hash into a page, then load.
            return;
        }

    }

    var pageContentCallback = {
        success: function(o) {
            if(o.responseText.indexOf('HEADER_REDIRECT:') > -1) {
                var parts = o.responseText.split(":");
                loadContent(parts[1]);
            } else {
                document.getElementById('pageContent').innerHTML = o.responseText;
            }

            /*
            var items = document.getElementsByTagName('input');
            for(i=0;i<items.length;i++) {
                //var oButton = new YAHOO.widget.Button(items[i].id);
                if(items[i].type == 'button') {
                    //alert(items[i].id);
                    var oButton = new YAHOO.widget.Button(items[i].id);
                    oButton.addListener("click",submitLoginForm);
                }
            }
            //var oButton = new YAHOO.widget.Button("submit");
            */
        },
        failure: function(o) {
            alert('Ajax Request was not successful.');
        }
    }

    var pageContentObject = YAHOO.util.Connect.asyncRequest('GET', 'content.php?s_mod=login&s_pg=index', pageContentCallback);

    loadMenus();
    keepalive();
    setTimeout("setFocus()",1000);

}