//普通
    function expandcontent(divname)
    {
        
        var qddiv = document.getElementById(divname);
        var oqddiv = document.getElementById(olddivname);
        if(qddiv.style.display=="none")
        {
            oqddiv.style.display = "none"; 
            qddiv.style.display = "";
        }
       olddivname = divname;
    }
    
    //扩充版
    function expandcontentEx(option,basedivname,basemenuname,num,classname,baseclassname)
    {
        var qddivname=basedivname+option;
        var qdmenuname=basemenuname+option;
        
        for(var i=1;i<num+1;i++)
        {
            var xhdivname = basedivname+i;
            var xhmenuname = basemenuname+i;
            var divnameobj = document.getElementById(xhdivname);
            var menunameobj = document.getElementById(xhmenuname);
            
            
            if (qddivname==xhdivname)
            {
               if (divnameobj.style.display!="block")
               {
                    divnameobj.style.display="block";
               }
            }
            else
            {
                if (divnameobj.style.display!="none")
                {
                   divnameobj.style.display="none"; 
                }
            }
            
            if (qdmenuname==xhmenuname)
            {
                menunameobj.className = classname ;
            }
            else
            {
                menunameobj.className = baseclassname;
            }
            
        }
    }