moral of the (as yet untold) story: rocket science and javascript don't mix. browser differences aside, javascript represents all numbers as floats, so as you

moral of the (as yet untold) story: rocket science and javascript don't mix. browser differences aside, javascript represents all numbers as floats, so as you attempt to store larger and larger numbers, you will find yourself with less and less accurate data. i'd bet that some minor difference in order of operations between the JS implementations of FF and konqueror result in the differences you're observing.