/**
 * 
 */
function class__Common__(window) {
	{ // private変数
		var CODE_TABLE = "0123456789"
			+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
			+ "abcdefghijklmnopqrstuvwxyz";

		/**
		 * 
		 */
		Object.privateId = function() {
			var r = "";
			for (var i = 0, k = CODE_TABLE.length; i < 8; i++)
				r += CODE_TABLE.charAt(Math.floor(k * Math.random()));
			return r;
		};
	}
	{ // クラス名抽出
		var CLASS_NAME_PATTERN = new RegExp("class__(\\w+)__");

		/**
		 * 
		 */
		Object.getClassName = function(f) {
			return f.toString().match(CLASS_NAME_PATTERN)[1];
		};
	}
	{ // onloadリスナー初期化等
		var $loaded = Object.privateId();
		var $onloadListeners = Object.privateId();

		window[$loaded] = false;
		window[$onloadListeners] = new Array(0);

		/**
		 * 
		 */
		window.isLoaded = function() {
			return window[$loaded];
		};

		/**
		 * 
		 */
		window.addOnloadListener = function(listener) {
			if (typeof listener != "function")
				return void 0;
			var l = window[$onloadListeners];
			l[l.length] = listener;
		};

		/**
		 * 
		 */
		window.removeOnloadListener = function(listener) {
			if (typeof listener != "function")
				return void 0;

			var l = window[$onloadListeners];
			for (var i = 0; i < l.length; i++) {
				if (l[i] == listener) {
					l[i] = null;
					return true;
				}
			}
			return false;
		};

		window.onload = function() {
			window[$loaded] = true;

			var l = window[$onloadListeners];
			for (var i = 0; i < l.length; i++)
				if (Boolean(l[i]))
					l[i]();
		};
	}
	{ // 継承
		/**
		 * 継承．
		 * Prototype Function#inherit(Function superClass)
		 * <strong>クラスメンバは継承されない．</strong>
		 * @param superClass	継承元クラス（関数）．
		 * @return 自分自身のprototypeオブジェクト．
		 */
		Function.prototype.inherit = function(superClass) {
			function Temp() {}
			Temp.prototype = superClass.prototype;
			return this.prototype = new Temp;
		};
	}
} class__Common__(window);