function setHomepage() {
	if (document.all) {
		document.body.style.behavior = 'url(#default#homepage)';
		document.body.setHomePage(window.location);

	} 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','');
	}
}
function addCookie() {
	if (document.all) {
		window.external.addFavorite(window.location.href, document.title);
	} else if (window.sidebar) {
		window.sidebar.addPanel(document.title, window.location.href, "");
	}
}