Jeff Johns wrote:
> HTML
> <input type="checkbox" name="test" id="test" value="1"
> onclick="check_it(this);" />
> <input type="checkbox" name="test" id="test1" value="2"
> onclick="check_it(this);" />

> SCRIPT
> function check_it(obj)
> {
>     if (this.id == 'test' && this.checked) {
>          document.getElementById('test1').checked = false;
>     }
>     elseif (this.id == 'test1' && this.checked) {
>          document.getElementById('test').checked = false;
>     }
> }

> This is just a very simple way to do it.