$(document).ready(function() {
	
	if ($("#cover_zoom_image").length > 0)
	{
		$("#cover_zoom_image").click(function(e){
			
			var documentHeight = $(document).height();
			var windowHeight = $(window).height();
			var windowWidth = $(window).width();
			
			var height = (($(window).height() + $(window).scrollTop()) - $("#cover_zoom_image_wrapper").height())/2 + $(window).scrollTop()/2;
			var width = (($(window).width() + $(window).scrollLeft()) - $("#cover_zoom_image_wrapper").width())/2 + $(window).scrollLeft()/2;
			$("#cover_zoom_image_wrapper").css("top", height+"px");
			$("#cover_zoom_image_wrapper").css("left", width+"px");
		
			$("#lightbox").css("height", documentHeight +"px");
			//$("#lightbox").css("height", windowHeight +"px");
			$("#lightbox").css("filter", "alpha(opacity=50)");
			
			$("#lightbox").fadeIn(500, function(){
				$("#cover_zoom_image_wrapper").slideDown("slow");
			});
			
			e.preventDefault();
		});
		
		$("div.close_icon a").click(function(){
		
			$("#cover_zoom_image_wrapper").slideUp("fast", function(){
				$("#lightbox").fadeOut(500);
			});
			
			e.preventDefault();
		});
	}
});