$(document).ready(function(){

	 $(".marginal-box a").not('.fibelteaser_holder a').hover (
			 function(){
				var url = $(this).find("img").attr("src");
				var hover_url = url.replace(/.png/, "_rollover.png");

				$(this).find("img").attr("src", hover_url);
			 },
			 function(){
					var url = $(this).find("img").attr("src");
					var hover_url = url.replace(/_rollover.png/, ".png");

					$(this).find("img").attr("src", hover_url);
			 }
	 );
	 $(".main_link_hoverable img").hover (
			 function(){
				 var url = $(this).attr("src");
				 var hover_url = url.replace(/.png/, "_hover.png");
				 
				 $(this).attr("src", hover_url);
			 },
			 function(){
				 var url = $(this).attr("src");
				 var hover_url = url.replace(/_hover.png/, ".png");
				 
				 $(this).attr("src", hover_url);
			 }
	 );
	 
	 
 });