function show_cart_small() {
	document.getElementById('gr_menu_cart_big').style.display='none';
	document.getElementById('gr_menu_cart_sm').style.display='block';
}

function show_cart_big() {
	document.getElementById('gr_menu_cart_sm').style.display='none';
	document.getElementById('gr_menu_cart_big').style.display='block';
}