function show(object) {
	if (document.getElementById && document.getElementById(object) != null) {
		node = document.getElementById(object).style.display = 'block';
	} else if (document.layers && document.layers[object] != null) {
		document.layers[object].display = 'block';
		document.layers[object].position = 'relative';
	} else if (document.all) {
		document.all[object].style.display = 'block';
	}
}
	
function hide(object) {
	if (document.getElementById && document.getElementById(object) != null) {
		node = document.getElementById(object).style.display='none';
		document.getElementById(object).selectedIndex = 0;
	} else if (document.layers && document.layers[object] != null) {
		document.layers[object].display  = 'block';
		document.layers[object].position = 'absolute';
		document.layers[object].selectedIndex = 0;
	} else if (document.all && document.all[object] != null) {
		document.all[object].style.display  = 'block';
		document.all[object].selectedIndex = 0;
	}
}