function newsletterCheck()
{
var error ='';
 var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   var address = document.getElementById('email').value;
   if(reg.test(address) == false) {
      alert('Invalid Email Address');
      return false;
   }
else
	{
		var email = document.getElementById('email').value;
		window.open('news_signup.asp?email='+email,'','height=100,width=300,toolbars=no');
		return false;
	}
}