Browsers still working on compatibility …
Lately I have been working with some very smart people working on browser user interface technologies. They have been teaching me huge amounts about the DOM standard, and the lack of browser compliance … or the differences in implementations. This is a good overview of some of the know issues …

Waiting for the DOM. Though great strides have been made towards the ultimate goal of a single DOM for all browsers, some implementation differences still remain. Guest author Kenneth Tibbetts provides some browser-specific scripting gotchas to watch out for. From the WebReference Update. 0315 [WebReference News]