function $() {
       var elements = new Array();
       for (var i = 0; i < arguments.length; i++) {
           var element = arguments[i];
           if (typeof element == 'string')
               element = document.getElementById(element);
           if (arguments.length == 1)
               return element;
           elements.push(element);
        }
        return elements;
   }
   
   function changelm(obj){
        for(var i=1;i<15;i++){
            if(i!=obj){
                $("lm"+i).style.display = "none";
            }else{
                $("lm"+i).style.display = "block";
            }    
        }
   }
   function AddFavorite(sURL, sTitle){
        try{
            window.external.addFavorite(sURL, sTitle);
        }catch (e){
            try{
                window.sidebar.addPanel(sTitle, sURL, "");
            }catch (e){
                alert("加入收藏失败，请使用Ctrl+D进行添加");
            }
        }
    }
    function SetHome(obj,vrl){
        try{
                obj.style.behavior='url(#default#homepage)';obj.setHomePage(vrl);
        }catch(e){
                if(window.netscape) {
                        try {
                                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect"); 
                        } catch (e) { 
                                alert("此操作被浏览器拒绝！\n请在浏览器地址栏输入“about:config”并回车\n然后将[signed.applets.codebase_principal_support]设置为'true'"); 
                        }
                        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
                        prefs.setCharPref('browser.startup.homepage',vrl);
                 }
        }
    }