function redimensiona(frame)
{
    if (navigator.appName == "Netscape") {
        document.getElementById(frame).height = document.getElementById(frame).contentDocument.height + 30;
    }
    else {
		if (document.frames[frame].document.body.scrollHeight < 30) {
			document.all[frame].height = 200;
		}
		else {
			document.all[frame].height = document.frames[frame].document.body.scrollHeight+30;
		}
    }
}