function changeImages(el) {
	thisEl = document.getElementById(el);
	if (String(thisEl.src).indexOf('_over')==-1) thisPic = el + '_over';
	else  thisPic = el;
	thisEl.src = 'http://images.forbestraveler.com/media/img/' + thisPic + '.gif';
}
function moreslides(dir) {
	thisYC = parseInt(document.getElementById('moreslides').style.top+0);
	if (dir=='fwd') newYC = thisYC - 148;
	else newYC = thisYC + 148;
	document.getElementById('moreslides').style.top = newYC;
	if (newYC<0) document.getElementById('prvBut').style.display = 'block';
	else document.getElementById('prvBut').style.display = 'none';
	if (newYC > -148*(playlist_slideshow_link.length-2)) document.getElementById('nxtBut').style.display = 'block';
	else document.getElementById('nxtBut').style.display = 'none';
}