function validateEmailForm(){

	// test for blank fields
		
	if (isBlank(document.mailForm.txtName.value)){
		alert ("Please specify your Name!");
		return false;
		}

		if (!isEmail(document.mailForm.txtEmail.value)){
		alert ("The Email Address is not a valid email address!");
		return false;
		}
		
	if (isBlank(document.mailForm.txtTown.value)){
		alert ("Please specify Your Nearest Village, Town or City!");
		return false;
		}
	
	if (isBlank(document.mailForm.txtSubject.value)){
		alert ("Please specify a Subject!");
		return false;
		}
	
	return true;
}