function roll_over(img_name, img_src)
   {
   document[img_name].src = img_src;
   }

$(document).ready(function(){
 
	$(".rss-popup a").hover(function() {
	$(this).next("em").stop(true, true).animate({opacity: "show", top: "-30"}, "slow");
	}, function() {
	$(this).next("em").animate({opacity: "hide", top: "-40"}, "fast");
	});
 
});