// JavaScript Document

httpObject = getHTTPObject();

function fValidateEmail(){

	var email = document.getElementById('EmailAddress');
	var filter = /^([a-zA-Z0-9_.-])+@(([a-zA-Z0-9-])+.)+([a-zA-Z0-9]{2,4})+$/;
	
	if (!filter.test(email.value)) {
		alert('Please provide a valid email address');
		document.getElementById('EmailAddress').focus();
		return;		
	}
	
	if (httpObject != null) {
		myString='./email/email.php?address='+document.getElementById('EmailAddress').value;
		httpObject.open("GET", myString, true);
		httpObject.send(null);						
		httpObject.onreadystatechange = fthanksSubscribe;
	}
}

function fthanksSubscribe(){	
	if(httpObject.readyState == 4){	
		var myReplyText=httpObject.responseText;		
		if(myReplyText==0){
			alert('You are already subscribed!');
		}else{
			alert('Thanks for joining!');
		}							
		document.getElementById('EmailAddress').value='';	
	}
}


function getHTTPObject(){
if (window.ActiveXObject) return new ActiveXObject("Microsoft.XMLHTTP");
	else if (window.XMLHttpRequest) return new XMLHttpRequest();
	else {
		alert("Your browser does not support AJAX.");
		return null;
	}	
}

function Get_Cookie(c_name){
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    { 
    c_start=c_start + c_name.length+1; 
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    } 
  }
return "";
}

function Set_Cookie( name, value, expires, path, domain, secure ){
// set time, it's in milliseconds
var today = new Date();
today.setTime( today.getTime() );

/*
if the expires variable is set, make the correct
expires time, the current script below will set
it for x number of days, to make it for hours,
delete * 24, for minutes, delete * 60 * 24
*/
if ( expires )
{
expires = expires * 1000 * 60 * 60 * 24;
}
var expires_date = new Date( today.getTime() + (expires) );

document.cookie = name + "=" +escape( value ) +
( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) +
( ( path ) ? ";path=" + path : "" ) +
( ( domain ) ? ";domain=" + domain : "" ) +
( ( secure ) ? ";secure" : "" );
}