var xmlhttp1;

function deconnect()
{

xmlhttp1=GetXmlHttpObject();
if (xmlhttp1==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
      var user,pwd;



var url="deconnect.php";
url=url+"?sid="+Math.random() ;
xmlhttp1.onreadystatechange=Xmlaff3;
xmlhttp1.open("GET",url,true);
xmlhttp1.send(null);
}

function Xmlaff3()
{
  if (xmlhttp1.readyState==4)
  {
  var back=xmlhttp1.responseText;
  	 if(back==1){
		 location.href='index.html';
	 }
//     alert(back);
  }
}

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