var xmlhttp;

function hideDiv(divid, method){
  xmlhttp=GetXmlHttpObject();
  if (xmlhttp==null) {
    alert ("Browser does not support HTTP Request");
    return;
  }
  var url="/hidediv.php";
  url=url+"?divid="+divid;
  url=url+"&method=add";
  xmlhttp.onreadystatechange=stateChanged;
  xmlhttp.open("GET",url,true);
  xmlhttp.send(null);
}

function GetXmlHttpObject()
{
var objXMLHttp=null;
if (window.XMLHttpRequest)
  {
  objXMLHttp=new XMLHttpRequest();
  }
else if (window.ActiveXObject)
  {
  objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
return objXMLHttp;
}