function validateForm(form) {

if (form.FullName.value == "") { 
	alert("Please enter your Full Name.");
	form.FullName.focus( );
	return false;
   }
if (form.Email.value == "") { 
	alert("Please enter your Email Address.");
	form.Email.focus( );
	return false;
   }
Email = form.Email.value;
var emailFilter=/^.+@.+\..{2,3}$/;
if (!(emailFilter.test(Email))) { 
	alert("Please enter a valid Email Address");
	form.Email.focus();
	return false;
}
var illegalChars= /[\(\)\<\>\,\;\:\\\/\"\[\]]/
if (Email.match(illegalChars)) {
	alert("Please enter a valid Email Address");
	form.Email.focus();
	return false;
   }
if (form.Phone.value == "") {
	alert("Please enter your telephone number.");
	form.Phone.focus();
	return false;
   }
if (form.Subject.value == "") {
	alert("Please enter a subject.");
	form.Subject.focus();
	return false;
   }
if (form.Regarding.value == "null") {
	alert("Please select what the message is regarding.");
	form.Regarding.focus();
	return false;
   }
   
}