Preloading images from files

[Mark Swindell]

Is it possible "preload" a set of images from file references so that 
they are available to show instantly in a predefined image 
(imageHolder).  Setting bufferHiddenImages to true works for images 
that are contained  in the stack, but these are files that I want to 
reference by setting the filename of a single hidden image file, and 
then showing it.  The problem is there can't be a lag between the user 
click and the image showing.

Thanks,
Mark