Progress bar?

Dear People.A customer of us wants to have some way to know how far his students have developed during his course. For this he does not want a simple currentpage/pagestotal view, but more of a graphic view.From my basic programming background I tried simple math with an if-statement such as:IF PagesinChapter/100 >= 50 THEN (turn visible half the bar)Such things can be done in just about any programming language, but Lectora does not seems to support it. I tried to create a variable with a mathematical statement as initial value, but that too did not work. So here goes: Is there a way to program statements in Lectora, and does anyone have a suggestion how I can build a basic graphical progress bar, without having to make 10 variables to represent each chapter?

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