function doUpdateCart() {

	var url = 'server_update_cart_new.php';
	new Ajax(url, {		// mootools
		method: 'get',
		update: $('cart_contents')
	}).request();

	var myMorph = new Fx.Morph('cart_contents', {wait: true, duration:800});
	(function(){ myMorph.start('cart_hilite_on') }).delay(500);
	(function(){ myMorph.start('cart_hilite_off') }).delay(1600);
}