var welcome = function()
{
	if ( first_time )
	{
		soundManager .url = base_url + '/flash/';
		soundManager .defaultOptions .volume = 50 ;

		soundManager .onload = function() 
				       {
						var jingle = soundManager .createSound( {	id: 'aSound',
												url: base_url + '/sound/jingle.mp3'
										        } ) ;
						jingle .load() ;

						setTimeout( jingle .play, 10000 ) ;
				       } ;
	}
} () ;