var today = new Date();
//var zero_date = new Date(0,0,0);
//today.setTime(today.getTime() - zero_date.getTime());

//var todays_date = new Date(today.getYear(),today.getMonth(),today.getDate(),0,0,0);
var expires_date = new Date(today.getTime() + (8 * 7 * 86400000));

function Get_Cookie(name) {
    var start = document.cookie.indexOf(name+"=");
    var len = start+name.length+1;
    if ((!start) && (name != document.cookie.substring(0,name.length)))
		return null;
    if (start == -1) return null;
    var end = document.cookie.indexOf(";",len);
    if (end == -1) end = document.cookie.length;
    return unescape(document.cookie.substring(len,end));
}

function Set_Cookie(name,value,expires,path,domain,secure) {
    document.cookie = name + "=" +escape(value) +
        ( (expires) ? ";expires=" + expires.toGMTString() : "") +
        ( (path) ? ";path=" + path : "") + 
        ( (domain) ? ";domain=" + domain : "") +
        ( (secure) ? ";secure" : "");
}

function Delete_Cookie(name,path,domain) {
    if (Get_Cookie(name)) document.cookie = name + "=" +
       ( (path) ? ";path=" + path : "") +
       ( (domain) ? ";domain=" + domain : "") +
       ";expires=Thu, 01-Jan-70 00:00:01 GMT";
}


function storeMasterCookie() {
    if (!Get_Cookie('MasterCookie'))
        Set_Cookie('MasterCookie','MasterCookie', expires_date);
}

function storeIntelligentCookie(name,value) {
    if (Get_Cookie('MasterCookie')) {
        var IntelligentCookie = Get_Cookie(name);
        if ((!IntelligentCookie) || (IntelligentCookie != value)) {
            Set_Cookie(name,value,expires_date);
            var IntelligentCookie = Get_Cookie(name);
            if ((!IntelligentCookie) || (IntelligentCookie != value))
                Delete_Cookie('MasterCookie');
        }
    }
}

function storeSessionCookie(name,value) {
    if (Get_Cookie('MasterCookie')) {
        var SessionCookie = Get_Cookie(name);
        if ((!SessionCookie) || (SessionCookie != value)) {
            Set_Cookie(name,value);
            var SessionCookie = Get_Cookie(name);
            if ((!SessionCookie) || (SessionCookie != value))
                Delete_Cookie('MasterCookie');
        }
    }
}

var cookie_loaded = true;