function addFav(title,url){
		if (window.sidebar) {
			window.sidebar.addPanel(title, url,"");
		}else if(document.all){
			window.external.AddFavorite(url, title);
		}  
	}
	
	function addHome(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);
   }
	}