HELP (please)! Creating a function shared by different instances...

[cancerinform]

You are mixing up overshadow and defaultshadow. This is how it has to be.

var overShadowropShadowFilter = new DropShadowFilter();
overShadow.color = 0x000000;
.....

var defaultShadowropShadowFilter = new DropShadowFilter();
defaultShadow.color = 0x000000;
......