// display or hide contents of element
function openClose(link,elem) 
{
	var openHTML = '<img src="/image/cache/add.png" alt="Show" width="16" height="16" border="0" />';  // html displayed within the a tag.  Can be text or IMG tag
	var closeHTML = '<img src="/image/cache/minus.png" alt="Close" width="16" height="16" border="0" />'; // html displayed within the a tag.  Can be text or IMG tag
	
	var ocEl = document.getElementById(elem);
	var action = ocEl.className;

	if (action == 'close') {
		// section was closed, so open it and display CLOSE option
		ocEl.className = 'open';
		link.innerHTML = closeHTML;
	} else {
		// section was open, so close it and display OPEN option
		ocEl.className = 'close';	
		link.innerHTML = openHTML;
	}
}