function bookMark(){
  if ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4)){
    var url="http://www.artwork-paintings.com";
	var title="Artwork Paitings => Ajay Anandamurthy's Gallery";
	window.external.AddFavorite(url, title);
  }else{	
    var msg = "Please Bookmark our site using bookmark menu!";
	if(navigator.appName == "Netscape")
	alert(msg);
  }
}