AS problem in panning, zoom map! Desperate!

Hi I have created a Flash Site in which i have a series of plans, I have followed a tutorial and got the map to pan and zoom. However when the map zooms in fully it doesnt show the right hand side of the map it seem o be restricted and the mini map doesnt move according to the box, it seems to follow mouse pointer, can someone please help, the .fla is here

The action script used is from a tutorial and is commented but i just ant seem to solve the issue, so hope someone can help