Finding a frame index's X and Y positions

[Xardov]

Hi, i'm trying to create an animation system, and so far i've devised a method in which it will take in a specified array of frames to play, and play those frames.  However, my problem is, how can I tell the X and Y positions of a frame given the frame index?  I need those in order to display the frame at those coordinates.  Here is a diagram of what the animation looks like, the frame index is at the top left of each box in the "spritesheet".  

[theagentd]

You forgot the diagram?

You can find the frame positions by doing some simple math, but you need to know how many frames you have per column.

Top left corner x = (index % columns) * frameWidth;
Top left corner y = (index / columns) * frameHeight;

[Xardov]

haha, my bad.  thanks!