function addEngine(name,ext,cat)
{
if ((typeof window.sidebar == "object") && (typeof
window.sidebar.addSearchEngine == "function")) 
{
window.sidebar.addSearchEngine("http://www.121.nu/onetoone/searchplugin/"+name+".src","http://www.121.nu/onetoone/searchplugin/"+name+"."+ext,name,cat);
}
else
{
errorMsg(name,ext,cat);
}
}