var home1 = new Image();
	home1.src = 'media/buttons/button_home.png';
	var home2 = new Image();
	home2.src = 'media/buttons/button_home_clicked.png';

	var shop1 = new Image();
	shop1.src = 'media/buttons/button_shop.png';
	var shop2 = new Image();
	shop2.src = 'media/buttons/button_shop_clicked.png';

	var order1 = new Image();
	order1.src = 'media/buttons/button_order.png';
	var order2 = new Image();
	order2.src = 'media/buttons/button_order_clicked.png';


	function flip_logo(){
		document.getElementById('logo').style.visibility='visible';
	}
	function flop_logo(){
		document.getElementById('logo').style.visibility='hidden';
	}

	function over_home(){
		document.getElementById('home_button').src=home2.src;
		document.getElementById('home_menu').style.display="inline";
		document.getElementById('shop_menu').style.display="none";
		document.getElementById('shop_button').src=shop1.src;
		document.getElementById('order_menu').style.display="none";
		document.getElementById('order_button').src=order1.src;

		document.getElementById('off_menu').style.display="inline";
		document.getElementById('off_menu_mask3').style.display="inline";		
	}
	function over_shop(){
		document.getElementById('shop_button').src=shop2.src;
		document.getElementById('shop_menu').style.display="inline";
		document.getElementById('home_menu').style.display="none";
		document.getElementById('home_button').src=home1.src;
		document.getElementById('order_menu').style.display="none";
		document.getElementById('order_button').src=order1.src;

		document.getElementById('off_menu').style.display="inline";
		document.getElementById('off_menu_mask2').style.display="inline";
	}
	function over_order(){
		document.getElementById('order_button').src=order2.src;
		document.getElementById('order_menu').style.display="inline";
		document.getElementById('home_menu').style.display="none";
		document.getElementById('home_button').src=home1.src;
		document.getElementById('shop_menu').style.display="none";
		document.getElementById('shop_button').src=shop1.src;

		document.getElementById('off_menu').style.display="inline";
		document.getElementById('off_menu_mask1').style.display="inline";
	}

	function hide_menus(){
		document.getElementById('home_menu').style.display="none";
		document.getElementById('home_button').src=home1.src;
		document.getElementById('shop_menu').style.display="none";
		document.getElementById('shop_button').src=shop1.src;
		document.getElementById('order_menu').style.display="none";
		document.getElementById('order_button').src=order1.src;

		document.getElementById('off_menu').style.display="none";
		document.getElementById('off_menu_mask1').style.display="none";
		document.getElementById('off_menu_mask2').style.display="none";
		document.getElementById('off_menu_mask3').style.display="none";
	}

	function highlight_item(i){
		i.style.color='white';
		i.style.backgroundColor='#800000';
	}
	function de_highlight_item(i){
		i.style.color='black';
		i.style.backgroundColor='white';
	}

	function send_make_value(i){
		document.getElementById('make_value').value=i;
		document.shop_make.submit();
	}

	function send_catalog_value(i){
		document.getElementById('catalog_value').value=i;
		document.catalog_type.submit();
	}