var xmlhttp
/*@cc_on @*/
/*@if (@_jscript_version >= 5)
  try {
  xmlhttp=new ActiveXObject("Msxml2.XMLHTTP")
 } catch (e) {
  try {
    xmlhttp=new ActiveXObject("Microsoft.XMLHTTP")
  } catch (E) {
   xmlhttp=false
  }
 }
@else
 xmlhttp=false
@end @*/
//Cach goi ham :<a href=Javascript:void(0) onClick="Javascript:showXmlHttp('index.php?catid=39&id=13', 'id_content');"></a>
if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
 try {
  xmlhttp = new XMLHttpRequest();
 } catch (e) {
  xmlhttp=false
 }
}


function showAjax(url,target)
{
  var span = document.getElementById(target);
    span.innerHTML = "<img src='images/loading2.gif'   /> chờ chút...<br>&nbsp;";
    xmlhttp.open('GET', url , true);
    xmlhttp.onreadystatechange=function() 
    {
      if (xmlhttp.readyState==4)
      {
        span.innerHTML = xmlhttp.responseText;
      }
    }
  xmlhttp.send(null);
  return true;
}

function closeXmlHttp(target){
  var s = document.getElementById(target);
  s.innerHTML = '';
}

function closexml(total,target)
{
	var span=document.getElementById(target);
	for(i=0;i<total;i++)	
	{
	  	if(target!="id_content_"+i) closeXmlHttp("id_content_"+i);
	}
}