var department_field = "form.contact-form select[name=department]";
$(document).ready(function(){
	function ShowTechFields()
	{
		$('.hidden-field').fadeIn(300);
	}

	function HideTechFields()
	{
		$('.hidden-field').hide();
	}

	function UpdateForm()
	{
		selected = '';
		$(department_field + " option:selected").each(function () {
			selected = $(this).val();
		});

		if (selected == 'tech')
		{
			ShowTechFields();
		}
		else
		{
			HideTechFields();
		}
	}
	$(department_field).change(function(){
		UpdateForm();
		update_footer();
	});

	UpdateForm();

	// fix IE6 and <select ..> z-index
	if ( $.browser.msie && $.browser.version.substr(0,1)==6 )
	{
		$('#header-menu li ul').each(function(){
			$(this).append('<iframe src="about:blank" scrolling="no" frameborder="0"></iframe>');
		});
	}
});