Macro That Doesnt Work In 07 But Works In 03

I've been searching around here to see if anyone had an answer about codes and macro changes from 03 to 07. The closest thing I found was something about lists being tables and such. However, I am still unsure of what the issue might be in my case.


Sub ArrangeColumns()
'
' ArrangeColumns Macro
' Macro recorded 3/7/2008 by ****
'

'
endRow1 = ActiveSheet.UsedRange.Rows.count + 1
Range1 = "A1:O" & endRow1

Range(Range1).Select
Range("A3:O39").Select
Application.CutCopyMode = False
ActiveSheet.ListObjects("List1").Unlink
ActiveSheet.ListObjects("List1").Unlist
Columns("A:B").Select
Selection.Delete shift:=xlToLeft
Columns("I:I").Select
Selection.Cut
Columns("B:B").Select
Selection.Insert shift:=xlToRight
Columns("L:L").Select
Selection.Cut
Columns("C:C").Select
Selection.Insert shift:=xlToRight
Columns("M:M").Select
Selection.Cut
Columns("E:E").Select
Selection.Insert shift:=xlToRight
Columns("L:L").Select
Selection.Cut
Columns("G:G").Select
Selection.Insert shift:=xlToRight
Columns("B:B").ColumnWidth = 11.29
End Sub

So here, the red text is what gets flagged when you run the macro. I seem to be getting a Run-time error '9': Subscript out of range error.

I am not exactly sure what the macro does besides clean up and sort a portion of a worksheet. Also, there is not worksheet called "List1," but changing that value does nothing. Is there an equivalent command to those highlighted in red? Or, perhaps if anyone knows of a place where I may reference these commands myself, that would be great as well.