function VoteThis(VId,isThumbsUp)
{
        var success = function(t){
            var text = t.responseText;
            //alert(text);
            if(text == "1")
            {
                alert('Your vote is successfully registered.');
            }
            else
            if(text == "2")
            {
                alert('You already voted for this video.');
            }
            else
            if(text == "Access Denied")
            {
                alert('Please login to vote this video.');
            }
            else
            {
                alert('Try again later.');
            }
		}
        var failure = function(t){
            return false;
        }
        var d = new Date();
        var time = d.getTime();
        var postdata = "VideoId="+VId+"&IsThumbsUp="+isThumbsUp+"&t="+time;
        var myAjax = new Ajax.Request("CommentVotingAJAX.aspx", {method:'post', postBody:postdata, onSuccess:success, onFailure:failure});
        return false;
}