modal dialog by javascript

collect the information from web
"modal dialog" +javascript

I would like to do something about this.

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after the reading, I think that a mask div with transparent image is the easist way to do that.
http://192.168.0.102/cgi-bin/mtn/p.pl

press the DIV-ON anchor

TODO:
1. catch the resize/scroll event to center the dialog.
2. add a control script to move the dialog.