// get an object from the page
function ObjectGet(objectId) 
{
    if(document.getElementById && document.getElementById(objectId)) return document.getElementById(objectId).style; // W3C DOM
	else 
	if(document.all && document.all(objectId)) return document.all(objectId).style;	// MSIE 4 DOM
	else
    if(document.layers && document.layers[objectId]) return document.layers[objectId]; // NN 4 DOM.. note: this won't find nested layers
	else
	return false;
}

// toggle an object between hide and show
function ObjectShowHide(objectId)
{
	obj = ObjectGet(objectId);
	if(obj.display=="none")
		obj.display="block";
	else
		obj.display="none";
}