[CODE=javascript]var elm = getElmById("myI D");

function getElmById(aID) {
var element = null;

if (isMozilla || isIE5)
element = document.getEle mentById(aID)
else if (isNetscape4)
element = document.layers[aID]
else if (isIE4)
element = document.all[aID];

return element;
}
[/CODE]
here how do we capture...