function show(url, divName)
         {
             jQuery.ajax({
                 url: url,
                 cache: false,
                 success: function(html){
                     jQuery(divName).html(html);
                 }
             });
         }

      jQuery('#cart').submit(function(){
                 jQuery.ajax({
                     type: "POST",
                     url: "cart.php",
                     data: "delset="+jQuery("#delset").val()
                     //success: function(html){ jQuery("#content").html(html);}
                 });
                 return false;
             });

         function submit(url)
         {
             jQuery.ajax({
                 url: url,
                 cache: false
             });
         }