// If not defined yet,  
if (isLoaded == undefined) { 
     
    // Routine to move playhead to a new frame 
    var updateFrame = function (inc) { 
         
        var newFrame = _currentframe + inc; 
        gotoAndStop(newFrame); 
     
        if (_root._currentframe == 3) { 
            backBtn._alpha = 50; 
            backBtn.enabled = false; 
        } else { 
            backBtn._alpha = 100; 
            backBtn.enabled = true; 
        } 
        if (_root._currentframe == _root._totalframes) { 
            forwardBtn._alpha = 50; 
            forwardBtn.enabled = false; 
        } else { 
            forwardBtn._alpha = 100; 
            forwardBtn.enabled = true;     
        } 
    } 
 
 
    // When the forward button is pressed 
    forwardBtn.onPress = function () { 
        updateFrame(1); 
    } 
 
    // When the back button is pressed 
    backBtn.onPress = function () { 
        updateFrame(-1); 
    } 
 
    // When the keyboard keys are pressed 
    var keyListener = new Object(); 
    keyListener.onKeyDown = function () { 
        if (Key.isDown(37)) {  
            // Left 
            updateFrame(-1); 
        } else if (Key.isDown(3[IMG]http://www.adobeturk.com/forum/images/smiles/icon_cool.gif[/IMG]) {  
            // Up 
            updateFrame(-(_currentframe-1)); 
        } else if (Key.isDown(39)) {  
            // Right 
            updateFrame(1); 
        } else if (Key.isDown(40)) {  
            // Down 
            updateFrame(_totalFrames + 1); 
        } 
    } 
    Key.addListener(keyListener);     
 
 
    // Call updateFrame at first to get button states correct at start 
    updateFrame();     
} 
 
// Set loaded flag to prevent redefinition  
this.isLoaded = true; 
stop();