function get_product(addr, query, query_zn) {
   for(k=0; k<query.length; k++) {
	   if (k == 0)
	   {
	       addr += "?"+query[k]+ "=" + query_zn[k];
	   }
	   else {
	       addr += "&"+query[k]+ "=" + query_zn[k];
	   }
   }
   if (window.XMLHttpRequest)
   {
       req = new XMLHttpRequest();
       req.onreadystatechange = function() {
               if (req.readyState == 1) {
               }
               else if (req.readyState == 4) {
                   get_search2(req.responseText);
               }
           }
       req.open("GET", addr, true);
       req.send(null);
   }
   else if (window.ActiveXObject)
   {
      req = new ActiveXObject("Microsoft.XMLHTTP");
       if (req)
       {

           req.onreadystatechange = function() {
              if (req.readyState == 1) {
              }
               else if (req.readyState == 4) {
					document.getElementById('product_div').innerHTML = req.responseText;
              }
           }
           req.open("GET", addr, true);
           req.send();
       }
   }
}

function get_search2(data) {
   var obj = document.getElementById('product_div');
   obj.innerHTML = data;
   document.getElementById('product_div').style.display='block';
}