var ratingCounter=0;

function rateThis(w,t){ 
var cardcode = w;
var rater = t;


	var ajaxRequest;  
	ratingCounter++;

  if(ratingCounter<=2)
  {

	try{
		// Opera 8.0+, Firefox, Safari
		ajaxRequest = new XMLHttpRequest();
	} catch (e){
		// Internet Explorer Browsers
		try{
			ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try{
				ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e){
				// Something went wrong
				alert("A problem was encountered during update.");
				return false;
			}
		}
	}
	// Receive data sent from the server
	ajaxRequest.onreadystatechange = function(){
		if(ajaxRequest.readyState == 4){
 	
		  if (ajaxRequest.status == 200) {
			var response = ajaxRequest.responseText;			 				 var card = eval('(' + response + ')');

			 thumbsUp=card.thumbsUp;
			 thumbsDown=card.thumbsDown;

		 				 
			 document.getElementById("thumbsup").innerHTML=thumbsUp;
			 document.getElementById("thumbsdown").innerHTML=thumbsDown;
			 
			 //alert("Thanks for rating. Your rating has been updated.");
			 
        		}
	  }
	}	
	var queryString = "?cardcode=" + cardcode + "&rater=" + rater+"&counter=" + Math.random();
	ajaxRequest.open("GET", "../gc/rater.jsp" + queryString, true);
	ajaxRequest.send(null); 

   }


   else {alert("You cannot rate the same card more than twice.");}

 }