AJAX FORMAT

AJAX FORMAT

<br /> 
<br /><script language="javascript">
<br />function checkvalid()
<br />{
<br />
<br />   var refererid=document.loginform.refererid.value;
<br />   var url="checkvalid.php?action=check&refererid="+refererid;
<br />    
<br />   
<br />   xmlHttp=GetXmlHttpObject();
<br />   xmlHttp.onreadystatechange=function()
<br />   {
<br />	   	 if(xmlHttp.readyState == 4)
<br />		  {
<br />			document.getElementById("checkvalidvalue").innerHTML = xmlHttp.responseText;
<br />			
<br />			 
<br />			
<br />		  }
<br />	}
<br />   xmlHttp.open("get",url,true);
<br />   xmlHttp.send(null);
<br />   return false;
<br />  
<br />}
<br />
<br />
<br />function GetXmlHttpObject()
<br />{
<br />var xmlHttp=null;
<br />try
<br /> {
<br /> // Firefox, Opera 8.0+, Safari
<br /> xmlHttp=new XMLHttpRequest();
<br /> }
<br />catch (e)
<br /> {
<br /> //Internet Explorer
<br /> try
<br />  {
<br />  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
<br />  }
<br /> catch (e)
<br />  {
<br />  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
<br />  }
<br /> }
<br />return xmlHttp;
<br />}
<br />
<br /></script>
<br />
<br />
<br /> 
<br />