$(document).ready(function() {

	$("#cart_trigger").click(function(){
		$("#cart_info_wrapper").slideDown('slow');	
		<!--document.getElementById('cart_trigger').id='cart_trigger_open';-->
		document.getElementById('cart_trigger').style.display='none';
		document.getElementById('cart_trigger_open').style.display='inline-block';
	});

	$("#cart_trigger_open").click(function(){
		$("#cart_info_wrapper").slideUp('slow');
		<!--document.getElementById('cart_trigger_open').id='cart_trigger';-->
		document.getElementById('cart_trigger').style.display='inline-block';
		document.getElementById('cart_trigger_open').style.display='none';
	});
});