function createCookie(name, value, days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}


function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function readBasket()
{
	var basket = [];
	var cookie = readCookie('basket');
	if(cookie) {
		var unserialize = cookie.split('&');
		for(var i=0; i<unserialize.length; i++) {
			var string = unserialize[i].split(':');
			if (string.length == 2) {
				basket[string[0]] = string[1];
			}
		}
	}
	return basket
}

function writeBasket(basket)
{
	var serialize = '';
	for(var id in basket) {
		serialize += id + ':' + parseInt(basket[id]) + '&';
	}
	createCookie('basket', serialize, 3);
}

function showBasket()
{
	var basket = readBasket();
	var count = 0;
	for(var id in basket) {
		count += parseInt(basket[id]);
	}
	document.getElementById('basketCount').innerHTML = count;
}

function closeSelector()
{
	document.getElementById('basketSelector').innerHTML='';
}

function addToBasket(id, color, count)
{
/*
	var basket = readBasket();
	if (basket[id + '-' + color])
		basket[id + '-' + color] = parseInt(basket[id + '-' + color]) + parseInt(count);
	else
		basket[id + '-' + color] = count;
	writeBasket(basket);
	showBasket();
	closeSelector();
	alert('Товар добавлен в корзину.');
*/
	document.location.href='/basket/?add='+id+'-'+color+'&return='+encodeURIComponent(document.location.href);
}


function showSelector(id, colors, count)
{
	var html = '<div class="graybackground" id="basketSelectorBackground"></div>';
	html += '<div class="colorselect" id="basketSelectorForm">';
	html += '<a href="javascript:closeSelector();" class="closepopup" alt="закрыть окно" title="закрыть окно">x</a>';
	html += 'Выберите цвет: <br><br>';
	html += '<select name="color" id="basketSelect">';
	for (var i=0; i<colors.length; i++)
		html += '<option value="'+(i+1)+'">'+colors[i]+'</option>';
	html += '</select>';
	html += '<br>';
	html += '<input onclick="addToBasket('+id+',document.getElementById(\'basketSelect\').options[document.getElementById(\'basketSelect\').selectedIndex].value,'+parseInt(count)+');" type="submit" value="В корзину" class="submitbutton">';
	html += '</div>';
	document.getElementById('basketSelector').innerHTML=html;
}

function addGoods(id, colors, count)
{
	if (colors.length>0)
		showSelector(id, colors, count);
	else
		addToBasket(id, 0, count);
}