DeleteRow Causes Netscape 7 To Crash - Why ?

I am trying to get a dynamic table going. You click a button to add a
row. In the newly created row a button to delete the row is placed
(try the code example below). In Netscape, pressing the delete row
button crashes the browser. Why ? What is the correct way to do this ?

I am stumped why this following code works in IE and Opera but crashes
Netscape 7 (ie makes it disappear and try to send a bug report etc).

Any help would be much appreciated.

Copy and save the following code example and try running in Netscape 7
(or Mozilla 1.4) . It works fine in IE 6 and Opera 7. I've tried all
sorts of tweaking around but to no avail.

I need some expert help. Perhaps suggest the correct or other better
way of implementing this.


Here's the code: