// JavaScript Document

function SWFMacMouseWheel( swfObject ) 
 { 
         this.so = swfObject; 
         var isMac = navigator.appVersion.toLowerCase().indexOf( "mac" ) != -1; 
         if( isMac ) this.init(); 
 } 
  
 SWFMacMouseWheel.prototype = { 
         init: function() 
         { 
                 SWFMacMouseWheel.instance = this; 
                 if (window.addEventListener) 
                 { 
                 window.addEventListener('DOMMouseScroll', SWFMacMouseWheel.instance.wheel, false); 
                 } 
                 window.onmousewheel = document.onmousewheel = SWFMacMouseWheel.instance.wheel; 
         }, 
          
         handle: function( delta ) 
         { 
                 document[ this.so.getAttribute('id') ].externalMouseEvent( delta ); 
         }, 
  
         wheel: function(event){ 
         var delta = 0; 
         if (event.wheelDelta) { /* IE/Opera. */ 
                         delta = event.wheelDelta/120; 
                         if (window.opera) delta = -delta; 
         } else if (event.detail) { /** Mozilla case. */ 
             delta = -event.detail/3; 
         } 
         if( /AppleWebKit/.test(navigator.userAgent) ) { 
                 delta /= 3;      
         } 
         /** If delta is nonzero, handle it. 
          * Basically, delta is now positive if wheel was scrolled up, 
          * and negative, if wheel was scrolled down. 
          */ 
         if (delta) 
                SWFMacMouseWheel.instance.handle(delta); 
         /** Prevent default actions caused by mouse wheel. 
          * That might be ugly, but we handle scrolls somehow 
          * anyway, so don't bother here.. 
          */ 
         if (event.preventDefault) event.preventDefault(); 
                 event.returnValue = false; 
         } 
 };