// JavaScript Document

function GetXmlHttpObject()

{

	var xmlHttp=null;

	try

	{

		xmlHttp=new XMLHttpRequest();

	}

	catch (e)

	{

		try

		{

			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");

		}

		catch (e)

		{

			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");

		}

	}

	return xmlHttp;

}





function submit_login(ofrm)

{ 	

	if(ofrm.Submit.value == 'Submit')

	{

		var emailRegxp = /^([\w]+)(.[\w]+)*@([\w]+)(.[\w]{2,3}){1,2}$/;

		

		if(ofrm.signup.value=="")

		{

			alert("Please enter email address.");

			ofrm.signup.focus();

			return false;

		}

		else if(emailRegxp.test(ofrm.signup.value)!=true)

		{

			alert("Please enter valid email address.");

			ofrm.signup.focus();

			return false;

		}

		

		

		xmlHttp=GetXmlHttpObject();

		if (xmlHttp==null)

		{

			alert ("This browser does not support AJAX!");

			return false;

		}

		ofrm.Submit.value = "Please wait !!!";

		

		var url="signup.php";		

		url=url+"?useremail="+ofrm.signup.value;

		url=url+"&sid="+Math.random();

		xmlHttp.onreadystatechange=stateChanged_signup;

		xmlHttp.open("GET",url,true);

		xmlHttp.send(null);

		return false;

	}

	return false;

}



function stateChanged_signup()

{

	if (xmlHttp.readyState==4)

	{

		document.frm_signup.Submit.value = "Submit";

		if(xmlHttp.responseText == 1)

		{

			alert("Thank you for sign up to be on our mailing list.");			

		}

		else 

			alert("Your request couldn't process, please try again.");

		

	}

}