function manageCart(action, item_id, color, size){
	var params = new Hash();
	params['action'] = action;
	params['item_id'] = item_id;
	params['color'] = color;
	params['size'] = size;
	
	JsHttpRequest.query(
			"/include/ajax/modules/market/cart.php",
			params,
			function(result, errors) {     
					msgNoticeBox.alert(result.sMsgTitle,result.sMsg);
					if ($("cart_block"))
						$("cart_block").removeClass("hidden");
					if ($("cart_item_count"))
						$("cart_item_count").innerHTML = result.sNewCount;
					if ($("cart_item_sum"))
						$("cart_item_sum").innerHTML = result.sNewSum;
					
			},
			true
	);             
}