Scripting extension to Firefox. Adds direct Javascript plus extensions & a macro recorder. Seems to lack a built in security option. Manipulates the DOM object once rendered in FF. Complements Greasemonkey
See also: CoScripter and iMacros
Rounded Corners with CSS are a hot topic in web design: I think that there are hundreds of articles on them. This page is intended to present the solution I came up, that doesn't requires images, extra markup nor CSS