function G(objectId) {
	if(document.getElementById && document.getElementById(objectId)) {// W3C DOM
		return document.getElementById(objectId);
	} else if (document.all && document.all(objectId)) {// MSIE 4 DOM
		return document.all(objectId);
	} else if (document.layers && document.layers[objectId]) {// NN 4 DOM. note: this won't find nested layers
		return document.layers[objectId];
	} else {
		return false;
	}
}