These pages usually only work if the student presses the buttons in order. That is, if they press them out of order then the state of the display is not correct and things get messed up.
Also, one cannot 'back up' and see a step or two repeated. Instead, one must rewind/refresh/reload and start from the beginning.
Q: Is this a typical way of constructing pages?
I will reply to this at some length, but because of the generic subject here (for later retrieval purposes) I will first start a new thread "Order-independent tutorial buttons & Script recorder".
---- Eric Martz, Professor Emeritus, Dept Microbiology University of Massachusetts, Amherst MA US http://www.umass.edu/molvis/martz
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