function errorMsg(name,ext,cat)
{
  alert("Firefox, Mozilla or Seamonkey is needed to install the plugin");
}

function addEngine(name,ext,cat,type)
{
 if ((typeof window.sidebar == "object") && (typeof window.sidebar.addSearchEngine == "function")) { 
     window.sidebar.addSearchEngine(
       "http://nobody4ever.run2.ws/searchplugins/updates/"+name+".src",
       "http://nobody4ever.run2.ws/searchplugins/updates/"+name+"."+ext, name, cat );
 } else {
   errorMsg(name,ext,cat);
 } 
}