onmousewheel and srcElement snippet

You need IE6(javascript enabled) and a mousewheel.
This snippet uses the onmousewheel event to expand or contract the picture below.
Move the cursor over the picture and roll the mouse wheel up and down.
Move the mouse off the image.

Now try tabbing to the image, click the alert, or keypad 'enter' and try to zoom using the wheel.

2 problems:
-    no ID
-    no mousewheel