Before you can start doing any cool stuff with AJAX you have to have the asynchronous data transfer part figured out.
This is a simple module I’ve used in a number of applications. It’s lightweight, and creates a transfer object without resorting to browser detection which gives it a fair shot at working with future versions [...]

When I wrote the originial post about this topic, I had written a quick and dirty function as an experiment. As is the case with most programming, another solution became apparent after digesting the problem for a period of time. So here is a modified solution to the problem:
function toggleCol(strCol){
var ths = document.getElementsByTagName(”th”);
var tds = [...]

Here is a little JavaScript function I whipped up last night. I’m working on a large loan-processing site, and thought it would be nice to be able to hide certain columns when viewing lots of loans on the same page. Here is the function:
function hideCol(strCol){
var ths = document.getElementsByTagName(”th”);
var tds = document.getElementsByTagName(”td”);
for (idx in ths){
if (ths[idx].className [...]