function validateForm()
{
	if (!validatePresence(document.getElementById("Name"), "Please enter your name."))	 return false;
	if (!validateEmail (document.getElementById("Email"), "Please enter a valid email.", false)) 	 return false;
	if (!validatePresence(document.getElementById("Subject"), "Please enter subject."))	 return false;
	if (!validatePresence(document.getElementById("Message"), "Please enter message."))	 return false;
	return true;
}