function add2cart(url, pcid, pcprice, pageElement1, pageElement2, restext) {
     try {
     req = new XMLHttpRequest(); /* e.g. Firefox */
     } catch(e) {
       try {
       req = new ActiveXObject("Msxml2.XMLHTTP");  /* some versions IE */
       } catch (e) {
         try {
         req = new ActiveXObject("Microsoft.XMLHTTP");  /* some versions IE */
         } catch (E) {
          req = false;
         } 
       } 
     }
	 var content = "pcid="+pcid+"&pcprice="+pcprice;
     req.onreadystatechange = function() {responseAdd2cart(pageElement1, pageElement2, restext);};
     req.open("POST",url,true);
	 req.setRequestHeader("Content-Type","application/x-www-form-urlencoded; charset=UTF-8");
     req.send(content);
  }

function responseAdd2cart(pageElement1, pageElement2, restext) {
   var output = '';
   if(req.readyState == 4) {
      if(req.status == 200) {
         output = req.responseText;
         document.getElementById(pageElement1).innerHTML = output;
         document.getElementById(pageElement2).innerHTML = restext;
         }
      }
  }