//结合后台设置默认回车
   function SubmitKeyClick(button)
    {  
       try
       {
	       if (event.keyCode == 13)
	       {       
	              event.keyCode=9;
	              event.returnValue = false;

	           if(button!=null)
	           {
	              document.all(button).click();
	           }
	       }
       }
       catch(e){}
    }
    //Ctrl+Enter提交
    
    function CtrlEnter()
    { 
    	try
    	{
	        if (event.keyCode == 13 && event.ctrlKey) 
	            { 
	            alert('i can catch it!'); 
	            } 
        }
        catch(e){}
    } 
    
     //收藏该源码
    function cfav(cid)
    {
        var cfav=document.getElementById("cfav");

        if (cfav.innerHTML == "收 藏 夹") {
            window.open("http://bbs.51aspx.com/usercpsubscribe.aspx?typeid=4");
            
        return;
        }
        else if (cfav.innerHTML == "尚未登陆") {
        
   //     alert("您尚未登陆，不能使用收藏夹功能！");
        window.open("http://bbs.51aspx.com/login.aspx");
        
        return;
        }
        cfav.innerHTML = "收 藏 夹";

        cfav.style.textDecoration="none";
        cfav.style.color="red";
        
         //利用提交请求刷新页面(无刷新的)
         if (window.ActiveXObject) 
         { 
            xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
         }
         else if(window.XMLHttpRequest)
         {
            xmlHttp=new XMLHttpRequest(); 
         }
         posturl="/UserAjax.aspx?act=cfav&codeid="+cid;
         //posturl = "http://bbs.51aspx.com/favorites.aspx?codeid=" + cid;
             xmlHttp.open("post",posturl,false);
             xmlHttp.send();
            
            alert("该源码收藏成功！");
        }

        //给当前的导航菜单加背景色
        function skidsMenu(mid) {

            document.getElementById("skidsMenu" + mid).style.background = "url(/newimages/topMenuBg.gif)";
            document.getElementById("skidsMenu" + mid).style.color = "#FFF";
        }

        //显隐切换
        function changeAlt(btn, style) {
            var btn = document.getElementById(btn);
            btn.style.display = style;
        }