Problems with my as on prevScene, please help!

I have various movies clip within a movie and my back (mc = arr2_mc) and next (mc = arr1_mc) buttons are on the main scene.

This is on my main scene on a first frame

ActionScript Code:

[FONT=Courier New][LEFT]
movieclip.[COLOR=#0000ff]prototype[/COLOR].[COLOR=#000080]playBackwards[/COLOR] = [COLOR=#000000]function[/COLOR]COLOR=#000000[/COLOR][COLOR=#000000]{[/COLOR]
ifCOLOR=#000000[/COLOR] [COLOR=#000000]{[/COLOR]
this.[COLOR=#0000ff]onEnterFrame[/COLOR]= [COLOR=#0000ff]undefined[/COLOR];
this.[COLOR=#0000ff]play[/COLOR]COLOR=#000000[/COLOR];
[COLOR=#000000]}[/COLOR] [COLOR=#0000ff]else[/COLOR] [COLOR=#000000]{[/COLOR]
this.[COLOR=#0000ff]onEnterFrame[/COLOR] = [COLOR=#000000]function[/COLOR]COLOR=#000000[/COLOR] [COLOR=#000000]{[/COLOR]
this.[COLOR=#0000ff]_currentframe[/COLOR] == [COLOR=#000080]1[/COLOR] ? [COLOR=#0000ff]this[/COLOR].[COLOR=#0000ff]gotoAndStop[/COLOR]COLOR=#000000[/COLOR] : [COLOR=#0000ff]this[/COLOR].[COLOR=#0000ff]prevFrame[/COLOR]COLOR=#000000[/COLOR];
[COLOR=#000000]}[/COLOR]
[COLOR=#000000]}[/COLOR]
[COLOR=#000000]}[/COLOR]
arr1_mc.[COLOR=#0000ff]onRelease[/COLOR] = [COLOR=#000000]function[/COLOR]COLOR=#000000[/COLOR] [COLOR=#000000]{[/COLOR]
mc1.[COLOR=#000080]playBackwards[/COLOR]COLOR=#000000[/COLOR];
[COLOR=#000000]}[/COLOR]
arr2_mc.[COLOR=#0000ff]onRelease[/COLOR] = [COLOR=#000000]function[/COLOR]COLOR=#000000[/COLOR] [COLOR=#000000]{[/COLOR]
mc1.[COLOR=#000080]playBackwards[/COLOR]COLOR=#000000;[/COLOR]
[COLOR=#000000]}[/COLOR]

[/LEFT]
[/FONT][LEFT]

[/LEFT]

when it goes back, it goes back frame by frame without stopping but I want it to go only to previous Scene. instead of going to previous frame.

Do i have to create a unique button? which i did but i didn’t work?
please help help help help… i’m stuck :upset:

please help.

thank you!!