function SetNewUser () {
    var result=$.ajax({type:"POST",url:"http://www.commentsbar.com/getuser.php", async:false, data:{'id':1}}).responseText;
    var arr = JSON.parse(result);
    return(arr['userid']);
}

function checkUserID () {
    try {
        var userid = RetrieveKey("ID");
        if ((userid == '')||(userid==null)) { 
            userid = SetNewUser();
            StoreKey("ID", userid);
        }
        return userid;
    } catch(err) {

        //alert('Error!');
    }
}