function ge(id) {
	      return document.getElementById(id);
	    }

	    function validateForm() {
	      if(ge('firstname').value == '') {
	        alert("Please enter your first name.");
	        return false;
	      }
	      if(ge('lastname').value == '') {
	        alert("Please enter your last name.");
	        return false;
	      }
	      if(ge('email').value == '') {
	        alert("Please enter your email address.");
	        return false;
	      }
	      if(ge('Feedback').value == '') {
	        alert("Please enter your comments.");
	        return false;
	      }
	      return true;
	    }