nimgs = imgs.length;
imgpath = 'img/';
img = 0;

function next(){
	img = ++img%nimgs;
	imgobj = document.getElementById('photo');
	if (imgobj.filters)
		imgobj.filters[0].motion="forward";													
	chgimg();
	chgcap();
}
function prev(){
	img = (--img+nimgs)%nimgs;
	imgobj = document.getElementById('photo');
	if (imgobj.filters)
		imgobj.filters[0].motion="reverse";
	chgimg();
	chgcap();
}
function chgimg(){
	imgobj = document.getElementById('photo');
	if (imgobj.filters){																		
		imgobj.filters[0].Apply();																
		imgobj.src = imgpath+imgs[img]+'.jpg';
		imgobj.filters[0].Play();																
	} else 
		imgobj.src = imgpath+imgs[img]+'.jpg';
}
function chgcap(){
	capobj = document.getElementById('caption');
	capobj.innerHTML = caps[imgs[img]];
}

function popup(page,width){
	popup = window.open('http://jade.tvb.com/special/on_the_road/'+page+'/index.html',page,'width='+width+',height=505');
	location.reload();
	popup.focus();
}