var xmlhttp;

function checkUserExists(str)
{
document.getElementById('checkUser').innerHTML="<img src='images/loading.gif'>";
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
var url="getavailability.php";
url=url+"?username="+str;
//alert(url);
xmlhttp.onreadystatechange=stateChangedUserExists;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function stateChangedUserExists()
{
if (xmlhttp.readyState==4)
{
  var response=xmlhttp.responseText;
  var res=response.split("|")
  //alert(response);
  document.getElementById('checkUser').innerHTML="";
  document.getElementById('checkUser').innerHTML=res[0];
  document.getElementById('statusdiv').value=res[1];  
}
}

function checkEmailExists(str)
{
document.getElementById('checkEmail').innerHTML="<img src='images/loading.gif'>";
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
var url="getavailability.php";
url=url+"?emailid="+str;
//alert(url);
xmlhttp.onreadystatechange=stateChangedEmailExists;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function stateChangedEmailExists()
{
if (xmlhttp.readyState==4)
{
  var response=xmlhttp.responseText;
  var res=response.split("|")
  //alert(response);
  document.getElementById('checkEmail').innerHTML="";
  document.getElementById('checkEmail').innerHTML=res[0];
  document.getElementById('statusdivemail').value=res[1];  
}
}


function GetXmlHttpObject()
{
if (window.XMLHttpRequest)
  {
  // code for IE7+, Firefox, Chrome, Opera, Safari
  return new XMLHttpRequest();
  }
if (window.ActiveXObject)
  {
  // code for IE6, IE5
  return new ActiveXObject("Microsoft.XMLHTTP");
  }
return null;
}