function   myAddPanel(title,url,desc)   
  {   
  if   ((typeof   window.sidebar   ==   'object')   &&   (typeof   window.sidebar.addPanel   ==   'function'))//Gecko   
  {   
  window.sidebar.addPanel(title,url,desc);   
  }   
  else//IE   
  {   
  window.external.AddFavorite(url,title);   
  }   
  }