// pop

function popup(url,w,h) {
   window.open(url, 'aru', 'location=0,resizable=1,status=0,titlebar=0,directories=0,toolbar=1,menubar=1,scrollbars=1,width='+w+',height='+h);
   return false;
}

// popfeedback

function popfeedback(url,w,h) {
   var popped = window.open(url,'feedback','location=0,resizable=1,status=0,titlebar=0,directories=0,toolbar=0,menubar=0,scrollbars=0,width='+w+',height='+h);
   return (popped)?false:true;
}

// for adding search plugins

function addEngine( src, img, name, cat) {
    if ((typeof window.sidebar == "object") && (typeof window.sidebar.addSearchEngine == "function"))
    {
        window.sidebar.addSearchEngine( src, img, name, cat );
    }
    else
    {
        alert("Mozilla or Firefox is required to add a search engine.  Sorry!");
    }
}