window.addEvent('domready', function() {

function zoom_over(id_el, category) {
	var a = $(id_el + '_img');
	a.setAttribute("src", "/images/thumbs_ajax/" + category + "/" + id_el + "_over.jpg"); 
};

function zoom_out(id_el, category) {
	var a = $(id_el + '_img');
	a.setAttribute("src", "/images/thumbs_ajax/" + category + "/" + id_el + ".jpg"); 
};

augusto = function(){
 		return {
               crea_rollover: function (category)
               {var thumbs_cat =document.getElementsByTagName('a');
						for (var i=0; i<thumbs_cat.length; i++) {
							if (thumbs_cat[i].className == 'thumb_cat') {
								thumbs_cat[i].onmouseover = function() {
									zoom_over(this.getAttribute('id'), category);
								};
								thumbs_cat[i].onmouseout = function() {
									zoom_out(this.getAttribute('id'), category);
								}
							}
						}
               
               }
               
               }
              
                }();
                
})