cacheImg = new Array();

   function SetImage( imgObjectName, cacheindex )
   {
      imgObject     = imgObjectName;
      imgObject.src = cacheImg[ cacheindex ].src;
   }

   function CacheImage( i, img )
   {
      cacheImg[ i ]     = new Image();
      cacheImg[ i ].src = img;
   }

   CacheImage( 0,  'images/infobutton.jpg'        );
   CacheImage( 1,  'images/infobuttondown.jpg'         );
   CacheImage( 2,  'images/notesbutton.jpg' );
   CacheImage( 3,  'images/notesbuttondown.jpg'  );
   CacheImage( 4,  'images/tutorialbutton.jpg'     );
   CacheImage( 5,  'images/tutorialbuttondown.jpg'      );
   CacheImage( 6,  'images/marksbutton.jpg'   );
   CacheImage( 7,  'images/marksbuttondown.jpg'    );
   CacheImage( 8,  'images/helpbutton.jpg'    );
   CacheImage( 9,  'images/helpbuttondown.jpg'     );
   CacheImage(10,  'images/button1.jpg'         );
   CacheImage(11,   'images/button1down.jpg'    );
   CacheImage(12,   'images/button2.jpg'    );
   CacheImage(13,   'images/button2down.jpg'    );
   CacheImage(14,   'images/button3.jpg'    );
   CacheImage(15,   'images/button3down.jpg'    );
   CacheImage(16,   'images/button30.jpg'   );
   CacheImage(17,   'images/button30down.jpg'   );
   CacheImage(18,   'images/button31.jpg'   );
   CacheImage(19,   'images/button31down.jpg'   );
   CacheImage(20,   'images/slidesbutton.jpg'   );
   CacheImage(21,   'images/slidesbuttondown.jpg'   );
   CacheImage(22,   'images/homebutton.jpg'   );
   CacheImage(23,   'images/homebuttondown.jpg'   );

function gotopage(selSelectObject)
{
	if(selSelectObject.options[selSelectObject.selectedIndex].value != "")
	{
		location.href = selSelectObject.options[selSelectObject.selectedIndex].value;
	}
}