NigelMcFarlane
0 pts. | Jan 28 2005 8:00PM GMT
JavaScript is the way to go, as the other response noted.
If you just want to disable, rather than hide, the optional input, then you can set or unset the disabled attribute on it:
window.formX.fieldY.setAttribute(”disabled”,”true”);
window.formX.fieldY.removeAttribute(”disabled”);






