function InsertNesletterEmail(email,id,fieldid,NotAllowedAllowed)
{
	if(NotAllowedAllowed=="NotAllowed"){document.getElementById(id).innerHTML = "<br>Invalid email address.";}
	else
	{
		var http = false;
		if(navigator.appName == "Microsoft Internet Explorer") {http = new ActiveXObject("Microsoft.XMLHTTP");} else { http = new XMLHttpRequest();} 
		http.abort();
		http.open("GET", "subscribe.php?Type=Add_Newsletter&email=" + email + "&id=" + id, true);
		http.onreadystatechange=function(){
		  if(http.readyState == 4){
			  if(http.responseText=="Added"){alert("Thank you for subscribing.");document.getElementById(fieldid).value="";document.getElementById(fieldid).focus();}
			  if(http.responseText=="No"){alert("Sorry but this email address has already subscribed to our newsletter.");document.getElementById(fieldid).value="";document.getElementById(fieldid).focus();}
			  return false;
		  }
		}
		http.send(null);
	}	
}
function Left_NewsLetter()
{
	var left_newsletter_email=document.getElementById("left_newsletter_email");
	var str=left_newsletter_email.value
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
	if (left_newsletter_email.value==''){alert("Please enter email address.");left_newsletter_email.focus();return false;}	
	else if (!filter.test(str)){alert("Please enter a valid email address!");left_newsletter_email.focus();return false;}
	else{InsertNesletterEmail(document.frmleftNewsletter.left_newsletter_email.value,'NewsletterEmail_ID_HOME','left_newsletter_email','Allowed');return false;}
}