var xmlHttp



function validemail(value)
{


var str='test';
if (str.length==0)
  { 
  document.getElementById("txtHint").innerHTML="";
  return;
  }
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="checkemail.php";
url=url+"?value="+value;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
} 

function stateChanged() 
{ 
if (xmlHttp.readyState==4)
{ 
//document.getElementById("txtHint").innerHTML=xmlHttp.responseText;
if (xmlHttp.status==200) {
            // we use a delay only for this example
			
            setTimeout('loadResults()',100);
			
        }
}
}

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 loadResults() {
	 
	  document.getElementById("txtHint").innerHTML=xmlHttp.responseText;
	 document.getElementById('txtHint').innerHTML = '<img id="submitImage" name="submitImage" src="images/loading.gif" alt="AJAX Results Ready">';
	 
	 setTimeout('resetImage()',2000);
    
}


function resetImage() {
	document.getElementById("txtHint").innerHTML=xmlHttp.responseText;
	/*if(document.getElementById("txtHint").innerHTML==1)
	{
		document.location='secure.php';
	}
	else
	{
		document.getElementById("txtHint").innerHTML="invalid login information";
	}*/
}