function prevPhoto() {
	window.focus()
	photoNum = 1 + (numPhotos + photoNum - 2) % numPhotos;
	changeDisplay('photo' + photoNum + '_src','photo' + photoNum + '_caption');
}

function nextPhoto() {
	window.focus()
	photoNum = 1 + (numPhotos + photoNum) % numPhotos;
	changeDisplay('photo' + photoNum + '_src','photo' + photoNum + '_caption');
}

function changeDisplay(pic,cap){
	var ie4=document.all
	var ns6=document.getElementById
	if (ie4||ns6)
	var picture_holder=document.getElementById? document.getElementById("dynamic3"): document.all.dynamic3
	var caption_holder=document.getElementById? document.getElementById("dynamic6"): document.all.dynamic6

	if (ie4||ns6){
		picture_holder.innerHTML=eval(pic)
		caption_holder.innerHTML=eval(cap)
	} else if (document.layers){
		document.dynamic1.document.dynamic2.document.write(eval(pic))
		document.dynamic1.document.dynamic2.document.close()
		document.dynamic4.document.dynamic5.document.write(eval(cap))
		document.dynamic4.document.dynamic5.document.close()
	}
}

function windowEmail(id) {
	popup('item_view_email.asp?id='+id,'400','450');
}

function windowPrint(id) {
	popup('item_view_print.asp?id='+id,'400','450');
}