//preload
var imagenes = new Array();
imagenes[0] = new Image();
imagenes[0].src = "images/prev.gif";
imagenes[1] = new Image();
imagenes[1].src = "images/next.gif";

$(document).ready(function(){	
	
	$("#abajo .sub_der .left img").mouseover(function(){
		$(this).attr("src","images/prev_h.gif");
		$(this).mouseout(function(){
			$(this).attr("src","images/prev.gif");
		});
	});
	
	$("#abajo .sub_der .right img").mouseover(function(){
		$(this).attr("src","images/next_h.gif");
		$(this).mouseout(function(){
			$(this).attr("src","images/next.gif");
		});
	});
});