function browser()
	{
	var name = navigator.appName.toLowerCase();
	var version = navigator.appVersion.toLowerCase();
	
	if( name.search("internet explorer") != -1 )
		{
		return "IE";
		}
	if( name.search("opera") != -1 )
		{
		return "OP";
		}
	if( name.search("netscape") == -1 )
		{
		return "??";
		}
	if( version.search("chrome") != -1 )
		{
		return "CH";
		}
	if( version.search("safari") != -1 )
		{
		return "SA";
		}
	return "FF";		// Flock?
	}