function tlbrRollOn(imgName)
{
	if (document.images)
		document.tlbrPick.src = eval('tlbr_pick_' + imgName + '.src');
}
function tlbrRollOff(imgName)
{
	if (document.images)
		document.tlbrPick.src = tlbr_pick.src;
}
function modeRollIn(imgName)
{
	if (document.images)
		document[imgName].src = eval(imgName + '_in.src');
}