////////////////////////////////////////////////////////////////////////////////
// functions.js
// -----------------------------------------------------------------------------
// General Media Gallery functionality
////////////////////////////////////////////////////////////////////////////////

YAHOO.MZ.toggleCollection = function(span, action) {


	var img = span.getElementsByTagName('IMG')[0];

    //alert(img);
    
	if (action == 'open') {
		img.src = 'img/menu_opened.png';
		span.onclick = function() { YAHOO.MZ.closeCollection(this); };
	} else {
		img.src = 'img/menu_closed.png';	
		span.onclick = function() { YAHOO.MZ.collectionAjax.startRequest(this); };
	}
}

YAHOO.MZ.closeCollection = function(span) {
	var target = document.getElementById('collectionContent_'+span.id);
	target.innerHTML = '';
	target.style.display = 'none';
	YAHOO.MZ.toggleCollection(span, 'close');
}