var QueryString = new Class({
	initialize: function() {
		var queryString = window.location.search.substr(1);
		var queryParts = queryString.split('&');
		this.data = {};

		for(var i = 0; i < queryParts.length; i++) {
			var parts = queryParts[i].split('=', 2);

			if(parts.length == 2) {
				this.data[parts[0]] = unescape(parts[1].replace(/\+/g, ' '));
			}
			else {
				this.data[parts[0]] = true;
			}
		}
	},
	get: function(name) {
		return this.data[name];
	}
});