function LTrim( value ) {
	var re = /\s*((\S+\s*)*)/;
	return value.replace(re, "$1");
}
function RTrim( value ) {
	var re = /((\s*\S+)*)\s*/;
	return value.replace(re, "$1");
}
function trim( value ) {
	return LTrim(RTrim(value));
}

$(document).ready(
	function()
	{
		$('#cartProducts .productCart').each(function(){
			var productId = $(this).attr('product_id');
			$(this).find('a').bind(
                'click',
                function(){
                    var json = $.ajax({
                                            type: "POST",
                                            url: "http://www.studiokeepsakes.com/index.html",
                                            data: "http_module=cart&http_action=removeProduct&product_id=" + productId,
                                            async: false
                                        }).responseText;
                    json = trim(json);
					json = eval('(' + json + ')');
                    if (json['status'] == 'success') {
                        $(this.parentNode).DropOutDown(
                        400,
                        function() {
                            $(this).remove();
                            calculateCartTotal();
                        }
                    );
                    }
                    return false;
                }
            );	
			$('#cartProducts .productCart').each(
				function () {
					$(this).find('input.quantityInput')
					.bind(
			'change',
                function(){
                    var quantity = $(this).val();
                    var json = $.ajax({
                                            type: "POST",
                                            url: "http://www.studiokeepsakes.com/index.html",
                                            data: "http_module=cart&http_action=updateQuantity&quantity=" + quantity + "&product_id=" + productId,
                                            async: false
                                        }).responseText;
                    json = trim(json);
					json = eval('(' + json + ')');
                    if (json['status'] == 'success') {
						$(this).val(json['quantity']);
                        calculateCartTotal();
                    } else {
                        alert("There was a problem updating the quantity");
                        $(this).val(json['quantity']);
                        calculateCartTotal();
                    }
                    return false;
                }
				)
				}
            );
		

																});
		calculateCartTotal();
		$('#products a.addToCartLink')
			.bind(
				'click',
				function() {
					$(this.parentNode)
						.TransferTo(
							{
								to:addProductToCart(this.parentNode),
								className:'transferProduct',
								duration: 400
							}
						);
					return false;
				}
			);
		$('div.product').Draggable({revert: true, fx: 300, ghosting: true, opacity: 0.4});
		$('#cart').Droppable(
			{
				accept :		'product', 
				activeclass:	'activeCart', 
				hoverclass:		'hoverCart',
				tolerance:		'intersect',
				onActivate:		function(dragged)
				{
					if (!this.shakedFirstTime) {
						$(this).Shake(3);
						this.shakedFirstTime = true;
					}
				},
				onDrop:			addProductToCart
			}
		);
	}
);
var addProductToCart = function(dragged)
{
	var cartItem;
	var productName = $('h2', dragged).html();
	var productPrice = parseFloat($('span.productPrice', dragged).html());
	productPrice = formatNr(productPrice);
	//alert("price: " + productPrice);
	var productHtmlId = $(dragged).attr('id');
	var productId = $(dragged).attr('product_id');
	var isInCart = $('#' + productHtmlId + '_cart');
	//alert("isInCart: " + isInCart.size() + " " + productHtmlId);
	if (isInCart.size() == 1) {
		var quantity = $(this).val();
		var json = $.ajax({
				   		type: "POST",
				  	 	url: "http://www.studiokeepsakes.com/index.html",
				 		data: "http_module=cart&http_action=addOneToQuantity&quantity=" + quantity + "&product_id=" + productId,
						async: false
				 		}).responseText;
				json = trim(json);
				json = eval('(' + json + ')');
				if (json['status'] == 'success') {
					//quantity = parseInt(isInCart.find('input.quantityInput').val()) + 1;
					quantity = json['quantity'];
                	isInCart.find('input.quantityInput').val(quantity+'').end().Pulsate(300, 2);
					$(this).val(quantity);
					calculateCartTotal();
				} else {
					alert("There was a problem updating the quantity");
                    $(this).val(json['quantity']);
                    calculateCartTotal();
				}
	} else {
		//cartItem = $('div.productCart:last').get("http://www.studiokeepsakes.com");
					var json = $.ajax({
											type: "POST",
										  	url: "http://www.studiokeepsakes.com/index.html",
											data: "http_module=cart&http_action=addToCart&product_id=" + productId,
										  	async: false
										}).responseText;
					json = trim(json);
					json = eval('(' + json + ')');
					//alert(json);
					if (json['status'] == 'success') {
						$('#cartProducts')
            .append('<div class="productCart" id="' + productHtmlId + '_cart">' + productName + '<a href="#">remove</a><br />Qty: <span class="quantity"><input type="text" size="2" name="qty" value="' + json['quantity'] + '" class="quantityInput" /></span><br />Price: $<span class="productPrice">' + productPrice + '</span></div>')
            .find('div.productCart:last')
            .fadeIn(400)
            .find('a')
            .bind(
                'click',
                function(){
					var json = $.ajax({
                                            type: "POST",
                                            url: "http://www.studiokeepsakes.com/index.html",
                                            data: "http_module=cart&http_action=removeProduct&product_id=" + productId,
                                            async: false
                                        }).responseText;
                    json = trim(json);
					json = eval('(' + json + ')');
                    if (json['status'] == 'success') {
						$(this.parentNode).DropOutDown(
                        400,
                        function() {
                            $(this).remove();
                            calculateCartTotal();
                        }
                    );
					}
                    return false;
                }
            );
			$('#cartProducts').find('div.productCart:last').find('input.quantityInput').bind('change',
				function(){
					var quantity = $(this).val();
                    var json = $.ajax({
                                            type: "POST",
                                            url: "http://www.studiokeepsakes.com/index.html",
                                            data: "http_module=cart&http_action=updateQuantity&quantity=" + quantity + "&product_id=" + productId,
                                            async: false
                                        }).responseText;
                    json = trim(json);
					json = eval('(' + json + ')');
                    if (json['status'] == 'success') {
						$(this).val(json['quantity']);
                        calculateCartTotal();
                    } else {
						alert("There was a problem updating the quantity");
						$(this).val(json['quantity']);
						calculateCartTotal();
					}
                    return false;
                }
			);
					}
	}
	calculateCartTotal();
	return cartItem;
};
var calculateCartTotal = function()
{
	var total = 0;
	$('#cartProducts .productCart').each(
		function()
		{
			var price = parseFloat($('span.productPrice', this).html());
			var quantity = parseInt($('input.quantityInput', this).val());
			total += price * quantity;
		}
	);
	$('#cartTotal').html(formatNr(total));
	$('#cart p').Highlight(500, '#ec6495', function(){$(this).css('backgroundColor', 'transparent');});
};
var formatNr = function(nr)
{
	thousands = parseInt(nr/1000);
	hundreds = parseInt(nr - thousands*1000);
	decimals = parseInt((nr - parseInt(nr)) * 100);
	return (thousands > 0 ? thousands + ' ' : '') + (nr > 1000 & hundreds < 100 ? '0' : '') + (nr > 1000 & hundreds < 10 ? '0' : '') + hundreds + '.' + (decimals > 0 ? decimals : '00');
}