$(document).ready(function() {
$('.news_last .block').last().addClass('end');
$('.product_list .product').last().addClass('end');
$(".tovar .cont tr:even").addClass('even');
});

function equalHeight(group) {
 tallest = 0;
 group.each(function() {
 thisHeight = $(this).height();
 if(thisHeight > tallest) {
 tallest = thisHeight;
 }
 });
 group.height(tallest);
}
$(window).load(function () {
 equalHeight($(".product_list .product"));
});