//
// global xmlHttp object
//
var nthClickXMLHttp;

/*
 * Name:
 *	showHint
 *
 * Description:
 *	this function calls server side script
 *
 * Preconditions/Input:

 *
 * Postconditions/Output:
 *	gives the response text from the server side script
 *
 * Stored Procedures:
 *	None
 *
 * Log:
 * Dipak A.Basantani     11/02/2007
 * Updates 
 *	Surendra Shukla		05/01/2008
 *	- Time added to url to generate unique url so that it can work properly in IE
 *	
 */
function showHint(paramArray)
{
	//
	// make global
	//
	displayId = paramArray['id'];
	document.getElementById(displayId).innerHTML="";
  		
  	//
  	// get the xmlHttp object
  	//
	nthClickXMLHttp=GetXmlHttpObject()
	//
	// check if it is not null
	//
	if (nthClickXMLHttp==null)
  	{
  		alert ("Your browser does not support AJAX!");
  		return;
  	} 
	var url= paramArray['url'];
	
	var firstParam = true; // count for checking first parameter or not
	for(x in paramArray)
	{
		if(x == 'id' || x == 'url')
		{
			continue;
		}
		if(firstParam)
		{
			url= url+"?"+x+"="+paramArray[x] ;
			firstParam = false;
		}
		else
		{
			url= url+"&"+x+"="+paramArray[x] ;
		}
	}
	
	var d = new Date();
	url = url +"&" + d.getTime();
	nthClickXMLHttp.onreadystatechange=redirectUrltoNthUrl;
	nthClickXMLHttp.open("GET",url,true);
	nthClickXMLHttp.send(null);
} 
/*
 * Name:
 *	showHint
 *
 * Description:
 *	check for the ready state and from the response text redirect to
 *	the success or failure link
 *
 * Preconditions/Input:

 *
 * Postconditions/Output:
 *	will redirect to the success or failure link
 *
 * Stored Procedures:
 *	None
 *
 * Log:
 * Dipak A.Basantani     11/02/2007
 */
function redirectUrltoNthUrl() 
{ 
	var tmp;
	var newWindowOption;
	if (nthClickXMLHttp.readyState==4)
	{
		tmp = 'returnData='+ nthClickXMLHttp.responseText;
		eval(tmp);
		newWindowOption = returnData.openInNewWindow;
		//
		// check if open in new window is true
		//
		if(newWindowOption)
		{
			window.open(returnData.url);
		}
		else
		{
			location.href = returnData.url;	
		}// end if - open in new window is true
		
	}
}
/*
 * Name:
 *	GetXmlHttpObject
 *
 * Description:
 *	create xmlhttpObject to call the server side script.
 *
 * Preconditions/Input:

 *
 * Postconditions/Output:
 *	return xmlHttpObject
 *
 * Stored Procedures:
 *	None
 *
 * Log:
 * Dipak A.Basantani     11/02/2007
 */
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;
}
/*
 * Name:
 *	GetXmlHttpObject
 *
 * Description:
 *	collect the function parameters and make a array to pass into the
 *  showHint function to call server side script
 *
 * Preconditions/Input:
 *   call the function showHint to call the server side script 
 *
 * Postconditions/Output:
 *	
 *
 * Stored Procedures:
 *	None
 *
 * Log:
 * Dipak A.Basantani     11/02/2007
 * Updates 
 *	Surendra Shukla		05/01/2008
 *	- Passing only stnBoxId to ajax file
 *
 */
function checkNthClick(liteLinkId, stnBoxId)
{
	var parameterArray = new Array();	
	parameterArray['id'] = 'nthurldiv'+liteLinkId;
	parameterArray['url'] = '/check_nth_click.php';
	parameterArray['functionName'] = 'redirectUrltoNthUrl';
	parameterArray['stnBoxId'] = stnBoxId;
	showHint(parameterArray);
}