function showHideSidebar(){

  try{

    var objSidebar=document.getElementById("sidebar");
    var objContent=document.getElementById("content");
    if(objSidebar.className!="sidebar-hide"){
      objSidebar.className="sidebar-hide";
      objSidebar.style.display="none";
      objContent.className="content-wide";
    }else{
      objSidebar.className="sidebar";
      objSidebar.style.display="block";
      objContent.className="content";
    }

  }catch(e){}

}