function getQueryVariable(variable) {
  var query = window.location.search.substring(1);
  var vars = query.split("&");
  for (var i=0;i<vars.length;i++) {
    var pair = vars[i].split("=");
    if (pair[0] == variable) {
      return pair[1];
    }
  }
  return null;
  //alert('Query Variable ' + variable + ' not found');
}

function submitNewsletter() {
	var redirectUrl = "http://www.vanguard.ca/index.php?email=";
	redirectUrl = redirectUrl + document.newsletterForm.email.value;
	document.newsletterForm.redirect.value=redirectUrl;
	//alert(document.newsletterForm.redirect.value);
	document.newsletterForm.submit();
}

function validateEmail() {
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   var address = document.newsletterForm.email.value;
   if(reg.test(address) == false) {
      //alert('Invalid Email Address');
      document.newsletterForm.email.value="Please enter a valid email";
      return false;
   }
   else {
      document.newsletterForm.submit();
   }

}