var xmlHttp

function callduration(str,str2)
{
	
	if (str.length==0)
	{ 
		document.getElementById(str2).innerHTML=""
		return
	}
	
	xmlHttp=GetXmlHttpObject()
	
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request")
		return
	}
	
	var url="ajaxForClient/ajax_duration.php"
	url=url+"?q="+str
	url=url+"&sid="+Math.random()
	
	xmlHttp.onreadystatechange=function()
	{
		if (xmlHttp.readyState==1 || xmlHttp.readyState==2 || xmlHttp.readyState==3 )
		{
			document.getElementById(str2).innerHTML = "<img src='images/loading.gif' /> Loading...";
		}
		if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
		{ 
		
			document.getElementById(str2).innerHTML=xmlHttp.responseText 
		} 
	}
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
} 




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;
}// JavaScript Document