n = (document.layers) ? 1:0
ie = (document.all) ? 1:0

// Show/Hide functions for non-pointer layer/objects
function shownon(showobj) {
	if (n) document.layers[showobj].visibility = "show"
	else if (ie) document.all[showobj].style.visibility = "visible"
}

function hidenon(hideobj) {
	if (n) document.layers[hideobj].visibility = "hide"
	else if (ie) document.all[hideobj].style.visibility = "hidden"
}