In a recent project we needed to allow Hebrew input in FCKEditor , and it was missing RTL/LTR flow direction controls. after developing this plug-in I understood the importance of documentation. This project has zero to none documentation, and it took me a significant amount of time to carry out a simple task like it. It's a shame because it has a really good extension API. you can download the plug in from this.location (at list i acquired a little bit of JavaScript humor) Installation notes...