function errorMsg()
{
 alert("Netscape 6 or Mozilla/Firefox is needed to install a search plugin");
}
function addEngine(name,ext,cat)
{
 if ((typeof window.sidebar == "object") && (typeof
 window.sidebar.addSearchEngine == "function"))
 {
   window.sidebar.addSearchEngine(
     "http://masterstb.com/"+name+".src",
     "http://masterstb.com/"+name+"."+ext,
     name,
     cat );
 }
 else
 {
   errorMsg();
 }
}