window.ttc = window.ttc || {};

function pageLoad() {
	// TODO: check for existance of Sys
	//	workaround: load this inside of ScriptManager/Scripts
	var pm = Sys.WebForms.PageRequestManager.getInstance();
	pm.add_pageLoaded(ttc.pageLoaded);
}

ttc.pageLoaded = function (sender, args) {
	// TODO: move into own function if more handlers are added
	// update shopping cart count from page/control UpdatePanel
	var cartLinkID = 'CartCountHyperLink'; // original value
	var asyncData = args.get_dataItems();
	for (var item in asyncData) {
		var value = asyncData[item];
		if (asyncData.hasOwnProperty(item) && item.indexOf(cartLinkID) > -1) {
			cartLinkID = item; // generated value, e.g., ctl00_CartCountHyperLink
			$get(cartLinkID).innerHTML = value;
			break;
		}
	}
}

// parse the querystring into a hash, qs[] (http://jsperf.com/querystring-with-javascript)
window.qs = (function (a) {
	if (a == "") return {};
	var b = {};
	for (var i = 0; i < a.length; ++i) {
		var p = a[i].split('=');
		if (p.length != 2) continue;
		b[p[0]] = decodeURIComponent(p[1].replace(/\+/g, " "));
	}
	return b;
})(window.location.search.substr(1).split('&'));

// c is for cookie, and cookie is for me
// (http://jquery-howto.blogspot.com/2010/09/jquery-cookies-getsetdelete-plugin.html)
function setCookie(name, value, days) {
	var expires;
	if (days) {
		var date = new Date();
		date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
		expires = "; expires=" + date.toGMTString();
	}
	else expires = "";
	document.cookie = name + "=" + value + expires + "; path=/";
}

function getCookie(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 deleteCookie(name) {
	setCookie(name, "", -1);
}

// IE still doesn't have the Array.prototype.indexOf method
// http://stackoverflow.com/questions/1181575/javascript-determine-whether-an-array-contains-a-value
if (!Array.prototype.indexOf) {
	Array.prototype.indexOf = function (needle) {
		for (var i = 0; i < this.length; i++) {
			if (this[i] === needle) {
				return i;
			}
		}
		return -1;
	};
}