//JS Object : update the cart by ajax actions
var ajaxCart = {
	
	// try to expand the cart
	expand : function(){
		if ($('#cart_block #cart_block_list').hasClass('collapsed'))
		{
			$('#cart_block #cart_block_summary').slideUp(200, function(){
				$(this).addClass('collapsed').removeClass('expanded');
				$('#cart_block #cart_block_list').slideDown({
					duration: 600,
					complete: function(){$(this).addClass('expanded').removeClass('collapsed');}
				});
			});
			// toogle the button expand/collapse button
			$('#cart_block h4 span#block_cart_expand').fadeOut('slow', function(){
				$('#cart_block h4 span#block_cart_collapse').fadeIn('fast');
			});
			
			// save the expand statut in the user cookie						
		}
	},
	
	// cart to fix display when using back and previous browsers buttons
	refresh : function(){
		//send the ajax request to the server
		$.ajax({
			type: 'GET',
			url: baseDir + 'cart.php',
			async: true,
			cache: false,
			dataType : "json",
			data: 'ajax=true&token=' + static_token,
			success: function(jsonData)
			{
				ajaxCart.updateCart(jsonData)
			},
			error: function(XMLHttpRequest, textStatus, errorThrown) {
				//alert("TECHNICAL ERROR: unable to refresh the cart.\n\nDetails:\nError thrown: " + XMLHttpRequest + "\n" + 'Text status: ' + textStatus);
			}
		});
	},	
	
	// try to collapse the cart
	collapse : function(){
		
		if ($('#cart_block #cart_block_list').hasClass('expanded'))
		{
			$('#cart_block #cart_block_list').slideUp('slow', function(){
				$(this).addClass('collapsed').removeClass('expanded');
				$('#cart_block #cart_block_summary').slideDown(700, function(){
					$(this).addClass('expanded').removeClass('collapsed');
				});
			});
			$('#cart_block h4 span#block_cart_collapse').fadeOut('slow', function(){
				$('#cart_block h4 span#block_cart_expand').fadeIn('fast');
			});
			
		}
	},
			
}

//when document is loaded...
$(document).ready(function(){

	// expand/collapse management
	$('#block_cart_collapse').click(function(){
			ajaxCart.collapse();
	});
	$('#block_cart_expand').click(function(){
			ajaxCart.expand();
	});
//	ajaxCart.overrideButtonsInThePage();
	ajaxCart.refresh();
});