image1 = new Image(); 
image1.src = "/images/ajax-loader.gif";

var initialEmailHTML;

var xmlHttp;

function signup( )
{
	var params = "firstname=" + encodeURI( document.getElementById("firstname").value ) + "&lastname=" + encodeURI( document.getElementById("lastname").value ) + "&email=" + encodeURI( document.getElementById("email").value ) + "&ajax=true";

	initialEmailHTML = document.getElementById('email_signup').innerHTML;
	document.getElementById('email_signup').innerHTML = "<div class='header'><br/><br/><br/><center>Adding your name...</center></div><div class='content'><center><img src='/images/ajax-loader.gif' width='150'/></center></div>";
	
	setTimeout( '', 2000); //2 seconds
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	{
		return;
	} 
	
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("POST","/signup.php",true);


    xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    xmlHttp.setRequestHeader("Content-length", params.length);
    xmlHttp.setRequestHeader("Connection", "close");				
	
	xmlHttp.send(params);	
}

function stateChanged() 
{ 
	var status = 'false';
	//alert( "State: " + xmlHttp.readyState );
	if (xmlHttp.readyState==4)
	{ 
    	status = xmlHttp.responseText;
        
       	//alert( "Status: " + status );
        if(status == 'true')
        {            
        	document.getElementById('email_signup').innerHTML = "<div class='header'><br/><br/><br/>Thank You</div><div class='content'>You will now receive VMA email updates.</div>";
      	}
        else
        {
    		document.getElementById('email_signup').innerHTML = initialEmailHTML;
        	document.getElementById('email_error').innerHTML = "An error occured when adding you to our mailing list.  Please try again.";
        }	
	}
}

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;
}