function addBookmark() {

   var url="http://www.cetechuk.net";
   var title="Cetechuk.net - UK web development and hosting";
   
    // new function - firefox [2] supports window.external (as part of opensearch) so old test fails ;-(
    // first firefox    
	if (window.sidebar && !document.all) {
         window.sidebar.addPanel(title, url,"");
        } else if (document.all) {//supported ie & opera, not ff
             if(window.opera){//test opera
                alert ("Please hit CTRL + D to add bookmark");}
                 else {window.external.AddFavorite(url, title) //ie
         }
    } else{// undetected.
    alert ("Please hit CTRL + D to add bookmark");}    
}