$(document).ready(function(){
	rolloverImages();
	$(".jqueryPop").jqueryPop();
});
function rolloverImages(){
	$(".rollover").each(function(){
		var out = $(this).attr('src');
		var over = out.replace('.jpg','_over.jpg');
		var image = new Image();
		image.src = over;
		$(this).hover(
			function(){$(this).attr('src',over);},
			function(){$(this).attr('src',out);}
		);
	});
}