function validate_form(){
	if (document.getElementById("contact_email").value==""){
		document.getElementById("val_message").style.visibility="visible";
		document.getElementById("val_message").style.padding="10px 0 10px 0";
	}
	else{
		document.getElementById("contact_form").submit();
		document.getElementById("val_message").style.visibility="hidden";
	}
}

function hide_val(){
	document.getElementById("val_message").style.visibility="hidden";
}