function $(isID){return  document.getElementById(isID)}
function IDweb_HK_AD(tabObj,obj){
        var tabList = document.getElementById(tabObj).getElementsByTagName("li");
        for(i=0; i <tabList.length; i++)
        {
                if (tabList[i].id == obj.id)
                {

                        document.getElementById(tabObj+"_Title"+i).className = "on"; 
                    document.getElementById(tabObj+"_Content"+i).style.display = "block";
                }else{

                        document.getElementById(tabObj+"_Title"+i).className = "normal"; 
                        document.getElementById(tabObj+"_Content"+i).style.display = "none";
                }
        } 

}