function image_eventHandler(event, numStars)
{
	var elementTarget;
	
	if (event.srcElement)
		elementTarget = event.srcElement;
	else
		elementTarget = event.target;
	
	var filledInStar = "images/ratingStars/star.JPG";
	var emptyStar = "images/ratingStars/emptyStar.JPG";
	if (event.type == "mouseover")
	{
		elementTarget.src = filledInStar;
		
		//alert("numStars " + numStars);
		
		if (numStars >= 1)
     		document.getElementById("ratingStarOne").src = filledInStar;
		else
     		document.getElementById("ratingStarOne").src = emptyStar;		
		
		if (numStars >= 2)
     		document.getElementById("ratingStarTwo").src = filledInStar;
		else
     		document.getElementById("ratingStarTwo").src = emptyStar;		
     		
 		if (numStars >= 3)
     		document.getElementById("ratingStarThree").src = filledInStar;
		else
     		document.getElementById("ratingStarThree").src = emptyStar;		

		if (numStars >= 4)
     		document.getElementById("ratingStarFour").src = filledInStar;
		else
     		document.getElementById("ratingStarFour").src = emptyStar;
	
		if (numStars >= 5)
     		document.getElementById("ratingStarFive").src = filledInStar;
		else
     		document.getElementById("ratingStarFive").src = emptyStar;
	}/*
	else if (event.type == "mouseout")
	{
		//elementTarget.src = emptyStar;
		
   		document.getElementById("ratingStarOne").src = emptyStar;
		
		
		//if (numStars < 2)
     	//	document.getElementById("ratingStarTwo").src = filledInStar;
		//else
     		document.getElementById("ratingStarTwo").src = emptyStar;		
		
		//if (numStars < 3)
     		//document.getElementById("ratingStarThree").src = filledInStar;
		//else
     		document.getElementById("ratingStarThree").src = emptyStar;		
     		
 		//if (numStars < 4)
     	//	document.getElementById("ratingStarFour").src = filledInStar;
		//else
     		document.getElementById("ratingStarFour").src = emptyStar;		

		//if (numStars < 5)
     	//	document.getElementById("ratingStarFive").src = filledInStar;
		//else
     		document.getElementById("ratingStarFive").src = emptyStar;		
	}	*/
}

function freezeRating(event, numStars, pictureID, numRatings, avgRating)
{
	//alert("you rated: " + numStars);
	//alert("ID: " + pictureID);
	//alert("no ratings: " + numRatings);
	//alert("prev avg rating: " + avgRating);
	
	var doNothing = "";
	
	document.getElementById("ratingStarOne").onmouseover = doNothing;
    document.getElementById("ratingStarOne").onmouseout = doNothing;
    document.getElementById("ratingStarOne").onclick = doNothing;

    document.getElementById("ratingStarTwo").onmouseover = doNothing;
    document.getElementById("ratingStarTwo").onmouseout = doNothing;
    document.getElementById("ratingStarTwo").onclick = doNothing;

    document.getElementById("ratingStarThree").onmouseover = doNothing;
    document.getElementById("ratingStarThree").onmouseout = doNothing;
    document.getElementById("ratingStarThree").onclick = doNothing;

    document.getElementById("ratingStarFour").onmouseover = doNothing;
    document.getElementById("ratingStarFour").onmouseout = doNothing;
    document.getElementById("ratingStarFour").onclick = doNothing;

    document.getElementById("ratingStarFive").onmouseover = doNothing;
    document.getElementById("ratingStarFive").onmouseout = doNothing;
    document.getElementById("ratingStarFive").onclick = doNothing;
    
   	var pictureAR = new AjaxRefresh("");
	//alert('elementID='+pictureAR.getReturnElementID());
	if (pictureAR.getHttpObject() == null)
	{
		alert ("Browser does not support HTTP Request");
		return;
	}	
	var url="scripts/updateAvgRating.php";
	url=url+"?key=ILdlkjqwefGk23lj309";
	url=url+"&currentRating="+numStars;
	url=url+"&pictureID="+pictureID;
	url=url+"&numRatings="+numRatings;
	url=url+"&avgRating="+avgRating;
	/*
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
	 */
	pictureAR.getData(url);
}