function showPanelItem(i)
{
	if ($("item-" + i)) $("item-" + i).show();
}
function hidePanelItem(i)
{
	if ($("item-" + i)) $("item-" + i).hide();
}

function rerenderSifr()
{
	sIFR.replaceElement(named({sSelector:"div.sifr-contentbar-h2 h2.colortheme4", sFlashSrc: SIFR_SLAB_PATH, sColor:"#ffffff", sWmode:"transparent"}));
}

function doPreviousItem(i)
{
	sp2.showPreviousPanel();
	hidePanelItem(i);
	if(i > 1)
	{
		showPanelItem(i-1);
	}
	rerenderSifr();
}

function doNextItem(i)
{
	sp2.showNextPanel();
	showPanelItem(i+1);
	hidePanelItem(i);
	rerenderSifr();
}

var sp2;
Event.onDOMReady( function() {
	sp2  = new Spry.Widget.SlidingPanels('media-content');
	$$('div [id^="item-"]').each(function(item){item.hide();});
});