function get_object(o)
{
	if(document.all)
	{
		return document.all[o];
	}
	else if(document.getElementById)
	{
		return document.getElementById(o);
	}
}

var handleTimeout = null;

function toggle_display(o1, o2, show) {

	o1 = get_object(o1);
	if (o2) o2 = get_object(o2);

	if (show) {
		o1.style.display = "none";
		if (o2) o2.style.display = "block";
	}
	else {
		if (o2) o2.style.display = "none";
		o1.style.display = "block";
	}

	return true;
}

function toggle_display_show(o1, o2) {

	if (handleTimeout != null) {
		clearTimeout(handleTimeout);
		handleTimeout = null;
	}

	toggle_display(o1, o2, true);
}


function toggle_display_hide(o1,o2) {

	handleTimeout = setTimeout("toggle_display('" + o1 + "','" + o2 + "',"+false+")", 250);
	return true;

}