function showHide(headerID,listID) {
	if (document.getElementById(listID).style.display == 'none') {
		document.getElementById(listID).style.display = 'inline';
		document.getElementById(headerID).innerHTML = '<img src="Images/grayBullet_Down.png" width="6" height="6" hspace="0" vspace="0" border="0" style="margin-right: 4px; margin-bottom: 1px;" />' + listID;
	}
	else {
		document.getElementById(listID).style.display = 'none';
		document.getElementById(headerID).innerHTML = '<img src="Images/grayBullet_Right.png" width="6" height="6" hspace="0" vspace="0" border="0" style="margin-right: 4px; margin-bottom: 1px;" />' + listID;
	}
}