class.js

在Web的脚本上专门处理一些通用的 JavaScript对象

// Description:	js.lang.Class
// Author:	HuangYiGang
// Version:	2005.11.04.01

function js.lang.Class() {}
js.lang.Class = Class;

js.lang.Class.instanceOf = function(_object, _classname) {
	try {
		if (typeof(_object) != "object" || typeof(_object.className) != "string") return false;
		if ( _object.className == _classname ) return true;
		eval("var b = (_object instanceof _object.window." + _classname + ");");
		return b;
	} catch(ex) {
		return false;
	}
}