function js_expandContent( Obj_Sub, Obj_Bg, Obj_Detail) {
 
 var this_obj_Sub = window.document.getElementById(Obj_Sub);
    var this_obj_Detail = window.document.getElementById(Obj_Detail);
 
    if(this_obj_Detail.style.display=="none")
    { 
        this_obj_Sub.className = Obj_Bg;
        this_obj_Detail.style.display="";
    }
    else{
        this_obj_Sub.className = "";
        this_obj_Detail.style.display="none";
    }
	
}