//---------------------------- Functions to check availability of user name USING AJAX ----------------------


var xmlHttp
function GetArticleOwnerInformation()
{ 


var str = document.changearticleownerform.ARID.value;
str=trimAll(str); 	


var ARIDL = document.changearticleownerform.ARID.value.length;


if(ARIDL<1)
{
	alert("Please Choose Article ID");
	window.document.changearticleownerform.ARID.focus();
}

else
{




	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	 {
		 alert ("Browser does not support HTTP Request")
		 return
	 }

	var url="weblinks/check2.php"
	url=url+"?ARID="+str
	url=url+"&sid="+Math.random()
	xmlHttp.onreadystatechange=stateChanged2 
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)




}
}


function stateChanged2() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
	 document.getElementById("output1").innerHTML=xmlHttp.responseText                // output1 is id of span element used to display output echo coming from php file
 } 
}
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;
}

/* Already Declared in AJAX.JS

//------------------ String Trim Functions -----------------------------

function trimAll(sString) 
{
	while (sString.substring(0,1) == ' ')              // left trim
	{
		sString = sString.substring(1, sString.length);
	}
	
	while (sString.substring(sString.length-1, sString.length) == ' ')       // right trim
	{
		sString = sString.substring(0,sString.length-1);
	}

return sString;
}
//---------------------------- Functions to check availability of user name USING AJAX  ENDS  HERE----------------------

*/