It really can't be done in a way that works on all browsers. The web was designed so that you do not know what size the browser window is, and with no way to fit something exactly to the browser...

The security setting usually causing the block is of the form "disallow content from multiple sites."

Where is this script located in your code?

It must be below the place where the images are loaded, or the script will run before the images load (and it won't find any).

It's also possible that...

You need an id on the same object with someclass. That id becomes the target of the assignment statement:


function changeSrc(clicked)
{
changeme.backgroundImage = 'someotherimage.someformat')...

My thoughts:

- How much whitespace you use depends on how much content you want, vs how much you have to pay for server memory and download bandwidth.

- I use only one space for each indent in...