using:
paneSplitter.getLoadedUrlinPane('xxx'); --> get url of id=xxx pane
( var paneSplitter = new DHTMLSuite.paneSplitter(); )
this is full code:
http://www.baturorkun.com/dhtml-suite/dhtml-suite.zip
if you want, you can get only "dhtml-suite-paneSplitter.js" file[/code]