function addCollection(_url,_name) {
	try{
	if (document.all) 
		 window.external.AddFavorite(_url,_name);
	else if (window.sidebar)
			window.sidebar.addPanel(_name, _url, "");
	}catch(e){alert('对不起，您好浏览器不支持收藏功能!');}
}
function setHomePage(_url) {
	if (document.all) {
		document.body.style.behavior = "url(#default#homepage)";
		document.body.setHomePage(_url);
	} 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", _url);
		}
	}
}