// -------------
// --- Event ---
// -------------

var browser = new Object();

browser.isMozilla = (typeof document.implementation != 'undefined') && (typeof document.implementation.createDocument != 'undefined') && (typeof HTMLDocument!='undefined');

if (browser.isMozilla) { // set up ie environment for Moz
	emulateAttachEvent();
}

function emulateAttachEvent() {
	HTMLDocument.prototype.attachEvent =
	HTMLElement.prototype.attachEvent = function (sType, fHandler) {
		var shortTypeName = sType.replace(/on/, "");
		fHandler._ieEmuEventHandler = function (e) {
			window.event = e;
			return fHandler();
		};
		this.addEventListener(shortTypeName, fHandler._ieEmuEventHandler, false);
	};

	HTMLDocument.prototype.detachEvent =
	HTMLElement.prototype.detachEvent = function (sType, fHandler) {
		var shortTypeName = sType.replace(/on/, "");
		if (typeof fHandler._ieEmuEventHandler == "function")
			this.removeEventListener(shortTypeName, fHandler._ieEmuEventHandler, false);
		else
			this.removeEventListener(shortTypeName, fHandler, true);
	};
}