Unless you want to use Flash (which isn't portable) or Java applets (which can be a pain) you should use SVG. You can render circles / lines / rectanges / etc. There are tons of tutorials on Javascript and SVG online (google it).
Unless you want to use Flash (which isn't portable) or Java applets (which can be a pain) you should use SVG. You can render circles / lines / rectanges / etc. There are tons of tutorials on Javascript and SVG online (google it).
use a library to manipulate DOM, like jQuery, and/or JS GUI widgets, like Yahoo UI. Don't waste time on handcoding stuff and figuring out by your own trial and errors what should be cross-platform compatible but isn't - people learned all the lessons.
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