if ( navigator.appName == 'Netscape' ) {
   document.write( '<embed src = "sounds/summerNights.mid" autostart="true" hidden="true" loop="true" ></embed>' );
 } else if ( navigator.appName == 'Microsoft Internet Explorer' ) {
   document.write( '<bgsound src = "sounds/summerNights.mid" loop="-1">' );
 } else document.write( '<bgsound src = "sounds/summerNights.mid" loop="-1"><embed src = "sounds/summerNights.mid" autostart="true" hidden="true" loop="true" ></embed>' );