function findaccessdetails(){  
   var xmlHttp;
   try 
    {   
	xmlHttp=new XMLHttpRequest();    
	}
    catch (e) 
    {   
	try 
	{      
	xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");      
	}
    catch (e)
    {      
	try
    {        
	xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");        
	}
    catch (e)
    {        
	alert("Your browser does not support AJAX!");        
	return false;       
	}      
	}    
	}
    xmlHttp.onreadystatechange=function()
    {
    if(xmlHttp.readyState==4)
    {
	var details=xmlHttp.responseText;
	
    }
    }
	var url="Check_Access_Details.php";
    xmlHttp.open("GET",url,true);
    xmlHttp.send(null);  
	}