function GetXmlHttpObject(handler)
{
   var objXMLHttp=null
   if (window.XMLHttpRequest)
   {
       objXMLHttp=new XMLHttpRequest()
   }
   else if (window.ActiveXObject)
   {
       objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
   }
   return objXMLHttp
}

function stateChanged(divid)
{
   if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
   {
		 	var myobj = document.getElementById(divid)
           myobj.innerHTML= xmlHttp.responseText;
					 if(xmlHttp.responseText!="" ){
						 myobj.parentNode.style.visibility = "visible";
					 } else {
						 myobj.parentNode.style.visibility = "hidden";
						 showSubmit();
					 }

					 
   }
   else {
           //alert(xmlHttp.status);
   }
}

// Will populate data based on input
function htmlData(divid, url, qStr)
{
	var tmpStr;
	try{
		document.getElementById("submitButton").style.visibility = "hidden"
	}
	catch(err){}
   if (url.length==0)
   {
       document.getElementById(divid).innerHTML="";
       return;
   }

   xmlHttp=GetXmlHttpObject()
   if (xmlHttp==null)
   {
       alert ("Browser does not support HTTP Request");
       return;
   }
	 if (divid=="txtResult4")
	 {
		 var tmpobj;
		 tmpobj = document.getElementById("txtResult4");
		 tmpobj.innerHTML="";
		 tmpobj.parentNode.style.visibility = "hidden";
	 }
	 if (divid=="txtResult3")
	 {
		 var tmpobj;
		 tmpobj = document.getElementById("txtResult3");
		 tmpobj.innerHTML="";
		 tmpobj.parentNode.style.visibility = "hidden";
		 tmpobj = document.getElementById("txtResult4");
		 tmpobj.innerHTML="";
		 tmpobj.parentNode.style.visibility = "hidden";
	 }
	tmpStr=qStr.substring(qStr.length-2);

	if (qStr.substring(qStr.length-2) =="=0")
	{
		return;
	}
	 
   url=url+"?"+qStr;
   url=url+"&sid="+Math.random();
   xmlHttp.onreadystatechange = function () { stateChanged(divid); };
   xmlHttp.open("GET",url,true) ;
   xmlHttp.send(null);
}

function showSubmit()
{
	document.getElementById("submitButton").style.visibility = "visible"
}