$(document).ready(function(){
						   $("img").fadeTo("200", 1); // This sets the opacity of the thumbs to fade down to 100% when the page loads
						   $("a img").hover(function(){
						   $(this).fadeTo("500", 0.5); // This should set the opacity to 50% on hover
						   },function(){
						   $(this).fadeTo("200", 1.0); // This should set the opacity back to 100% on mouseout
						   });
						   });