//设定一个标签内容字体的大小
function SetFontSize(fontSize)
{
		$("#content").css('font-size',fontSize);
}


//加入收藏夹
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");
            }
        }
    }
	
	//设为首页
    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);
                 }
        }
    }
    
    
    function menuFix() {
    
     var sfEls = document.getElementById("nav").getElementsByTagName("li");
     for (var i=0; i<sfEls.length; i++) {
      sfEls[i].onmouseover=function() {
      this.className+=(this.className.length>0? " ": "") + "sfhover";
      }
      sfEls[i].onMouseDown=function() {
      this.className+=(this.className.length>0? " ": "") + "sfhover";
      }
      sfEls[i].onMouseUp=function() {
      this.className+=(this.className.length>0? " ": "") + "sfhover";
      }
      sfEls[i].onmouseout=function() {
      this.className=this.className.replace(new RegExp("( ?|^)sfhover\\b"),"");
      }
     }
    }
    window.onload=menuFix;