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

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";
}

var today = new Date();
var zero_date = new Date(0,0,0);
today.setTime(today.getTime() - zero_date.getTime());
var cookie_expire_date = new Date(today.getTime() + (8 * 7 * 86400000));

function setVisitorID() {
    if (Get_Cookie('VisitorID')) {
    var VisitorID = Get_Cookie('VisitorID');
    dbWrite(VisitorID,'update');
    }else{
    var VisitorID = randomUUID();
    Set_Cookie('VisitorID',VisitorID,cookie_expire_date);
    dbWrite(VisitorID,'add');
    }
}

function setSessionID() {
    if (!Get_Cookie('SessionID'))
    Set_Cookie('SessionID',Math.random());
}

var loaded_script = true;