/**
*	This function will verify the user
*
*	@author		Himadri Shekhar Roy
*	@date		February 09, 2008
*	@version	1.0
*	@copyright	Analyze System
*	@url		http://www.ansysoft.com
*	@email		himadri.s.roy@ansysoft.com
* 
*/

//verify user
/**
*	Make a call to the server
*/
function subscribe()
{
	//Get the field values from the web form 
	var email = document.getElementById("txtEmail").value;
	
	//build url to connect to the server
	var url= "news_letter_subscribe_res.php?email=" + escape(email);
	
	//open a conenction to the server
	request.open('GET',url,true);
	
	//set up a function to the server when its done
	request.onreadystatechange = updateSubscribe;

	document.getElementById('subsRes').innerHTML=
	"<div class='orangeLetter' style='height:20px; padding-top:10px'>" +
	"<img src='images/icon/green_radar.gif' border='0' alt='image loading' />" + 
	"<span style='padding-bottom:5px;'> Loading ... </span></div>";
	
	//send the request
	request.send(null);
	
}//end of calling server */

/**
*	update the page with server response
*/
function updateSubscribe()
{
	if(request.readyState == 4)
	{
		if(request.status == 200)
		{
			var xmlResponse = request.responseText;
			document.getElementById("subsRes").innerHTML = xmlResponse;

		}
		else if(request.status == 404)
		{
			alert("Request page doesn't exist : 404");
		}
		else if(request.status == 403)
		{
			alert("Request page doesn't exist : 403");
		}
		else
		{
			alert("Error: Status Code is " + request.statusText);
		}
	}
}//end of updating page