function getStyleObject(objectId) {
    if(document.getElementById && document.getElementById(objectId)) {
	return document.getElementById(objectId).style;
    } else if (document.all && document.all(objectId)) {
	return document.all(objectId).style;
    } else if (document.layers && document.layers[objectId]) {
	return document.layers[objectId];
    } else {
	return false;
    }
}
function show(id) {
	obj = getStyleObject(id);
	if (obj.display == 'none') obj.display = '';
	else obj.display = 'none'; 
}
function uc()
{
	alert("Page under construction");
}