// JavaScript Document
function emailVal(box) {
	if (box.email.value.match(/^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)*\.(([0-9]{1,3})|([a-zA-Z]{2,3})|(aero|coop|info|museum|name))$/)) { 
		return true;
	   } else {
		   alert('Enter a valid email address.');
			   return false;
	   }
}