function $(id)
{
	return document.getElementById(id);
}
function CheckEmail(email) {
	AtPos = email.indexOf("@")
	StopPos = email.lastIndexOf(".")
	
	if (AtPos == -1 || StopPos == -1) {
		return false;
	}
	
	return true;
}
function ValidateContact() {
	if($('textfield').value == "") {
		alert('Please enter your name.');
		return false;
	}
	if(!CheckEmail($('textfield2').value)) {
		alert('Please enter your email.');
		return false;
	}
	if($('textfield3').value == "") {
		alert('Please enter subject.');
		return false;
	}
	if($('textarea').value == "") {
		alert('Please enter a message.');
		return false;
	}
	return true;
}