function validate_form(form)
	{
		if (form.FirstName.value == "")
		{
			alert("Please specify your firstname.");
			form.FirstName.focus();
			return(false);
		}
		if (form.LastName.value == "")
		{
			alert("Please specify your lastname");
			form.LastName.focus();
			return(false);
		}
		if (form.Telephone.value == "")
		{
			alert("Please specify your telephone number.");
			form.Telephone.focus();
			return(false);
		}
		if (form.Email.value == "" || form.Email.value.indexOf('@',0) == -1)
		{
			alert("Please specify a valid e-mail address.");
			form.Email.focus();
			return(false);
		}
		return true;
	}