function getcat(id){
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
  
var url="../inc/ajax.php?task=getcat&id="+id;
xmlHttp.onreadystatechange=getcatlist;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function getpro(pid,type){
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
  
var url="../inc/ajax.php?task=getpro&pid="+pid+"&type="+type;
xmlHttp.onreadystatechange=getcatlist;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}

function getcatlist(){ 
 		if (xmlHttp.readyState==4){
		  ret = xmlHttp.responseText;
		  document.getElementById('catid').innerHTML = ret;
 		}
}