SECOND = 1000;
MINUTE = 60000;
HOUR = 3600000;
DAY = 86400000;
WEEK = 86400000;
// var angle = 45 * DEG2RAD;
DEG2RAD = Math.PI / 180;
PAD_LEFT = 1;
PAD_RIGHT = 1 << 1;
PAD_BOTH = PAD_LEFT | PAD_RIGHT;
/*----------------------------------------------------------------------------*/

function gid(id) {
    return document.getElementById(id);
}

function time() {
    return new Date().getTime();
}

function rand(min, max) {
    return min + Math.floor(Math.random() * (max + 1 - min));
}

function repeatStr(str, n) {
    return new Array(++n).join(str);
}

function padStr(str, requiredLength, padStr, padType) {
    var n = requiredLength - str.length;
    if (n < 1) {
        return str;
    }
    padStr = padStr || ' ';
    var extra = repeatStr(padStr, Math.ceil(n / padStr.length)).substr(0, n);
    if (padType == PAD_LEFT) {
        return extra + str;
    }
    if (padType == PAD_BOTH) {
        return extra.substr(0, Math.ceil((n /= 2))) + str + extra.substr(0, Math.floor(n));
    }
    return str + extra;
}