// Javascript functions for contact.php

function check_contact_form()
{
	this_form = document.contact_form;
	
	if (trimAll(this_form.contact_name.value) == "")
	{
		alert("Please enter your name.");
		this_form.contact_name.focus();
		return false;
	}
	if (this_form.contact_email.value == "")
	{
		alert("Please enter your email.");
		this_form.contact_email.focus();
		return false;		
	}
	if (this_form.contact_email.value != "")
	{
		if (!check_email(this_form.contact_email.value))
		{
			this_form.contact_email.focus();
			return false;
		}
	}
	/*
	if (this_form.contact_tel.value == "")
	{
		alert("Please enter your telephone number.");
		this_form.contact_tel.focus();
		return false;		
	}	
	*/
	if (this_form.contact_tel.value != "")
	{
		if (checkInternationalPhone(this_form.contact_tel.value) == false)
		{
			alert("Please enter a valid telephone number!")
			this_form.contact_tel.focus();
			return false;		
		}
	}		
	if (trimAll(this_form.contact_message.value) == "")
	{
		alert("Please enter your message.");
		this_form.contact_message.focus();
		return false;		
	}		
	return true;
}