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[web] Problem on Lingo / javascript in Director

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Hello, I need to display a routine on a map. (That's mean when user want to go to another places from a certain place, the routine can indicate them how to go there) Since the map is only a graphical picture, I need to use coordinates between a few points to join the line together. Does anyone have ideas how to do this with Lingo or javascript? I have try to use the function draw() member("map").image.draw(point(10,70), point(128,86), color(100,0,0)) but I got some problems... I can draw the line on the map but after drawing the line, the line remains on the map forever and cannot erase!! How can I solve this problems? Thanks!

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