Adding Mouse Scrolling to Scrollbox

programming flash
1

I got this scrolling code here which works good but I wanna make it so when the mouse rolls over the mask the user can scroll with the mouse wheel. Anyone know the code for that?

[LEFT][COLOR=#993300]import[/COLOR] com.[COLOR=#000000]greensock[/COLOR].*;
[COLOR=#993300]import[/COLOR] com.[COLOR=#000000]greensock[/COLOR].[COLOR=#000000]easing[/COLOR].*;
[COLOR=#993300]import[/COLOR] com.[COLOR=#000000]greensock[/COLOR].[COLOR=#000000]plugins[/COLOR].*;
[COLOR=#993300]import[/COLOR] fl.[COLOR=#000000]motion[/COLOR].[COLOR=#000000]easing[/COLOR].*;
[COLOR=#993300]import[/COLOR] flash.[COLOR=#000000]events[/COLOR].[COLOR=#000000]MouseEvent[/COLOR];

[COLOR=#993300]var[/COLOR] yOffset:[COLOR=#993300]Number[/COLOR]=[COLOR=#000000]0[/COLOR];
[COLOR=#993300]var[/COLOR] yMin:[COLOR=#993300]Number[/COLOR]=[COLOR=#000000]0[/COLOR];
[COLOR=#993300]var[/COLOR] yMax:[COLOR=#993300]Number[/COLOR]=sb.[COLOR=#000000]track[/COLOR].[COLOR=#000000]height[/COLOR]-sb.[COLOR=#000000]thumb[/COLOR].[COLOR=#993300]height[/COLOR];



[COLOR=#f000f0]*/////////////*[/COLOR]
[COLOR=#993300]function[/COLOR] thumbDown[COLOR=#000000]([/COLOR][COLOR=#993300]e[/COLOR]:MouseEvent[COLOR=#000000])[/COLOR]:[COLOR=#993300]void[/COLOR] [COLOR=#000000]{[/COLOR]
    [COLOR=#993300]stage[/COLOR].[COLOR=#000000]addEventListener[/COLOR][COLOR=#000000]([/COLOR]MouseEvent.[COLOR=#000000]MOUSE_MOVE[/COLOR], thumbMove[COLOR=#000000])[/COLOR];
    yOffset=mouseY-sb.[COLOR=#000000]thumb[/COLOR].[COLOR=#000000]y[/COLOR];
[COLOR=#000000]}[/COLOR]
sb.[COLOR=#000000]thumb[/COLOR].[COLOR=#000000]addEventListener[/COLOR][COLOR=#000000]([/COLOR]MouseEvent.[COLOR=#000000]MOUSE_DOWN[/COLOR], thumbDown[COLOR=#000000])[/COLOR];
[COLOR=#f000f0]*/////////////*[/COLOR]

[COLOR=#f000f0]*////////////*[/COLOR]
[COLOR=#993300]function[/COLOR] thumbUp[COLOR=#000000]([/COLOR][COLOR=#993300]e[/COLOR]:MouseEvent[COLOR=#000000])[/COLOR]:[COLOR=#993300]void[/COLOR] [COLOR=#000000]{[/COLOR]
    [COLOR=#993300]stage[/COLOR].[COLOR=#000000]removeEventListener[/COLOR][COLOR=#000000]([/COLOR]MouseEvent.[COLOR=#000000]MOUSE_MOVE[/COLOR], thumbMove[COLOR=#000000])[/COLOR];
[COLOR=#000000]}[/COLOR]
[COLOR=#993300]stage[/COLOR].[COLOR=#000000]addEventListener[/COLOR][COLOR=#000000]([/COLOR]MouseEvent.[COLOR=#000000]MOUSE_UP[/COLOR], thumbUp[COLOR=#000000])[/COLOR];
[COLOR=#f000f0]*/////////////*[/COLOR]


[COLOR=#f000f0]*/////////////*[/COLOR]
[COLOR=#993300]function[/COLOR] thumbMove[COLOR=#000000]([/COLOR][COLOR=#993300]e[/COLOR]:MouseEvent[COLOR=#000000])[/COLOR]:[COLOR=#993300]void[/COLOR] [COLOR=#000000]{[/COLOR]
    sb.[COLOR=#000000]thumb[/COLOR].[COLOR=#000000]y[/COLOR]=mouseY-yOffset;
    [COLOR=#993300]if[/COLOR] [COLOR=#000000]([/COLOR]sb.[COLOR=#000000]thumb[/COLOR].[COLOR=#000000]y[/COLOR]<=yMin[COLOR=#000000])[/COLOR] [COLOR=#000000]{[/COLOR]
        sb.[COLOR=#000000]thumb[/COLOR].[COLOR=#000000]y[/COLOR]=yMin;
    [COLOR=#000000]}[/COLOR]
    [COLOR=#993300]if[/COLOR] [COLOR=#000000]([/COLOR]sb.[COLOR=#000000]thumb[/COLOR].[COLOR=#000000]y[/COLOR]>=yMax[COLOR=#000000])[/COLOR] [COLOR=#000000]{[/COLOR]
        sb.[COLOR=#000000]thumb[/COLOR].[COLOR=#000000]y[/COLOR]=yMax;
    [COLOR=#000000]}[/COLOR]
    [COLOR=#993300]var[/COLOR] sp:[COLOR=#993300]Number[/COLOR]=sb.[COLOR=#000000]thumb[/COLOR].[COLOR=#000000]y[/COLOR]/yMax;
    TweenMax.[COLOR=#000000]to[/COLOR][COLOR=#000000]([/COLOR]content_txt, [COLOR=#000000]1[/COLOR], [COLOR=#000000]{[/COLOR]y:[COLOR=#000000]([/COLOR]-sp*[COLOR=#000000]([/COLOR]content_txt.[COLOR=#993300]height[/COLOR] - masker.[COLOR=#993300]height[/COLOR][COLOR=#000000])[/COLOR][COLOR=#000000])[/COLOR], ease:Expo.[COLOR=#000000]easeOut[/COLOR][COLOR=#000000]}[/COLOR][COLOR=#000000])[/COLOR];
    [COLOR=#993300]e[/COLOR].[COLOR=#993300]updateAfterEvent[/COLOR][COLOR=#000000]([/COLOR][COLOR=#000000])[/COLOR];
[COLOR=#000000]}[/COLOR]


[COLOR=#993300]function[/COLOR] scrollOnBarCLick[COLOR=#000000]([/COLOR][COLOR=#993300]e[/COLOR]:MouseEvent[COLOR=#000000])[/COLOR]:[COLOR=#993300]void[/COLOR] [COLOR=#000000]{[/COLOR]
    [COLOR=#993300]trace[/COLOR][COLOR=#000000]([/COLOR][COLOR=#0000ff]"working"[/COLOR][COLOR=#000000])[/COLOR];
    thumbMove[COLOR=#000000]([/COLOR][COLOR=#993300]e[/COLOR][COLOR=#000000])[/COLOR];
[COLOR=#000000]}[/COLOR]
sb.[COLOR=#000000]track[/COLOR].[COLOR=#000000]addEventListener[/COLOR][COLOR=#000000]([/COLOR]MouseEvent.[COLOR=#000000]MOUSE_DOWN[/COLOR], scrollOnBarCLick[COLOR=#000000])[/COLOR];


[COLOR=#f000f0]*// Create MouseWheel Event*[/COLOR]
[COLOR=#993300]function[/COLOR] handleMouseWheel[COLOR=#000000]([/COLOR]event:MouseEvent[COLOR=#000000])[/COLOR] [COLOR=#000000]{[/COLOR]
    
    
    [COLOR=#993300]trace[/COLOR][COLOR=#000000]([/COLOR]event.[COLOR=#000000]delta[/COLOR][COLOR=#000000])[/COLOR];
    [COLOR=#993300]if[/COLOR] [COLOR=#000000]([/COLOR]event.[COLOR=#000000]delta[/COLOR]==[COLOR=#000000]3[/COLOR][COLOR=#000000])[/COLOR] [COLOR=#000000]{[/COLOR]
    [COLOR=#000000]}[/COLOR] [COLOR=#993300]else[/COLOR] [COLOR=#000000]{[/COLOR]
        [COLOR=#993300]trace[/COLOR][COLOR=#000000]([/COLOR]event.[COLOR=#000000]delta[/COLOR][COLOR=#000000])[/COLOR];
    [COLOR=#000000]}[/COLOR]
[COLOR=#000000]}[/COLOR]
[COLOR=#f000f0]*// ADD MOUSEWHEEL LISTENER*[/COLOR]
addEventListener[COLOR=#000000]([/COLOR]MouseEvent.[COLOR=#000000]MOUSE_WHEEL[/COLOR],handleMouseWheel[COLOR=#000000])[/COLOR];


[COLOR=#f000f0]*///LOAD DYNAMIC COPY////*[/COLOR]
[COLOR=#993300]function[/COLOR] loadText[COLOR=#000000]([/COLOR]myVar[COLOR=#000000])[/COLOR] [COLOR=#000000]{[/COLOR]
    [COLOR=#993300]var[/COLOR] txtLoader:URLLoader = [COLOR=#993300]new[/COLOR] URLLoader[COLOR=#000000]([/COLOR][COLOR=#000000])[/COLOR];
    txtLoader.[COLOR=#000000]addEventListener[/COLOR][COLOR=#000000]([/COLOR]Event.[COLOR=#000000]COMPLETE[/COLOR], onLoaded[COLOR=#000000])[/COLOR];
    content_txt.[COLOR=#993300]autoSize[/COLOR]=TextFieldAutoSize.[COLOR=#993300]LEFT[/COLOR];
    [COLOR=#993300]if[/COLOR] [COLOR=#000000]([/COLOR]myVar==[COLOR=#0000ff]"copy1"[/COLOR][COLOR=#000000])[/COLOR] [COLOR=#000000]{[/COLOR]
        txtLoader.[COLOR=#993300]load[/COLOR][COLOR=#000000]([/COLOR][COLOR=#993300]new[/COLOR] URLRequest[COLOR=#000000]([/COLOR][COLOR=#0000ff]"copy.txt"[/COLOR][COLOR=#000000])[/COLOR][COLOR=#000000])[/COLOR];
    [COLOR=#000000]}[/COLOR]
    removeEventListener[COLOR=#000000]([/COLOR]Event.[COLOR=#000000]COMPLETE[/COLOR], onLoaded[COLOR=#000000])[/COLOR];
    [COLOR=#993300]function[/COLOR] onLoaded[COLOR=#000000]([/COLOR][COLOR=#993300]e[/COLOR]:Event[COLOR=#000000])[/COLOR]:[COLOR=#993300]void[/COLOR] [COLOR=#000000]{[/COLOR]
        content_txt.[COLOR=#993300]htmlText[/COLOR]=txtLoader.[COLOR=#993300]data[/COLOR].[COLOR=#993300]split[/COLOR][COLOR=#000000]([/COLOR][COLOR=#0000ff]"[COLOR=#000099]**\r**[/COLOR][COLOR=#000099]**
**[/COLOR]"[/COLOR][COLOR=#000000])[/COLOR].[COLOR=#993300]join[/COLOR][COLOR=#000000]([/COLOR][COLOR=#0000ff]"[COLOR=#000099]**
**[/COLOR]"[/COLOR][COLOR=#000000])[/COLOR];
    [COLOR=#000000]}[/COLOR]
[COLOR=#000000]}[/COLOR]

loadText[COLOR=#000000]([/COLOR][COLOR=#0000ff]"copy1"[/COLOR][COLOR=#000000])[/COLOR];
[COLOR=#f000f0]*///////////// *[/COLOR]
[/LEFT]