function addCookie() {
	if (document.all) {
		window.external.addFavorite('http://tianlangxing.szwebdesign.net','深圳市雷蒙达科技有限公司');
	}else if (window.sidebar) {
       window.sidebar.addPanel('深圳市雷蒙达科技有限公司', 'http://tianlangxing.szwebdesign.net', "");
	}
}

function setHomepage() {
	if (document.all) {
		document.body.style.behavior='url(#default#homepage)';
		document.body.setHomePage('http://tianlangxing.szwebdesign.net');
	}else if (window.sidebar) {
		if(window.netscape) {
			try	{  
				netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");  
			}catch (e) {  
				alert( "该操作被浏览器拒绝，如果想启用该功能，请在地址栏内输入 about:config,然后将项 signed.applets.codebase_principal_support 值该为true" );  
			}
		} 
		var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components. interfaces.nsIPrefBranch);
		prefs.setCharPref('browser.startup.homepage','http://tianlangxing.szwebdesign.net');
	}
}