I don't think that would work as the script replaces what is found in the span tag. If you put it at the end it would replace all of the javascript after the first second, and would then get stuck after the first tick down.

Someone PMd me about this, and I am not too sure. The only thing I can suggest from the top of my head is replacing:
with just

If anyone else as any ideas as to why it doesn't work I would greatly appreciate them.