Does anyone have a bookmark script that is supported in the latest versions of these browsers: IE, Netscape, Opera, Firefox?

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Social Networking for Realtors ~ Mobile Homes For Sale in Arizona ~ Arizona Manufactured Housing

I found this javascript today:

<SCRIPT LANGUAGE="JavaScript">
var txt = "Bookmark US"
var url = "http://www.yourdomain.com/"
var who = "Arizona Real Estate"
var ver = navigator.appName
var num = parseInt(navigator.appVersion)
if ((ver == "Microsoft Internet Explorer")&&(num >= 4)) {
document.write('<a href="javascript:window.external.AddFavorite(url,w ho);" ');
document.write('onMouseOver=" window.status=')
document.write("txt; return true ")
document.write('"onMouseOut=" window.status=')
document.write("' '; return true ")
document.write('">'+ txt + '</a>')
}else{
txt += " (Ctrl+D)"
document.write(txt)
}
</script>

...this works in the lastest versions of IE, Netscape and Mozilla but not Opera. If anyone has a script that works in all browsers please let me know.

__________________
Social Networking for Realtors ~ Mobile Homes For Sale in Arizona ~ Arizona Manufactured Housing