var xmlHttp

// Funtion for check login validity
function checkloginid(str)
{
if (str.length<4)
  { 
  document.getElementById("div_loginid").innerHTML="Login id Must be Minimum 4 Characters Long.";
  return;
  }
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="ajaxfile.php";
url=url+"?loginid="+str;
url=url+"&action=check_loginid";
//alert(url);
xmlHttp.onreadystatechange=stateChangedcheckloginid;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
} 

function stateChangedcheckloginid() 
{ 
if (xmlHttp.readyState==4)
{ 
document.getElementById("div_loginid").innerHTML=xmlHttp.responseText;
}
}
//--------------------------------------------------------End---------------------------------------------------------------


// Funtion for view cooment in existing session
function viewcomment(str)
{
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="comments_session.php";
url=url+"?cmsarticle_id="+str;
//alert(url);
xmlHttp.onreadystatechange=stateChangedviewcomment;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
} 

function stateChangedviewcomment() 
{ 
if (xmlHttp.readyState==4)
{ 
document.getElementById("comment_div").innerHTML=xmlHttp.responseText;
}
}
//--------------------------------------------------------End---------------------------------------------------------------



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;
}