/* Changed and improved by dimas e douglas - www.workbench.com.br*/
function backward(){
	if (which>0){
		window.status=''
		which--
		document.images.photoslider.src=photos[which]
		document.images.next.src=[prox]
		if (which==0) {
			document.images.prev.src=[fim]
		}
	}
}

function forward(){
	if (which<photos.length-1){
		which++
		document.images.photoslider.src=photos[which]
		document.images.prev.src=[ant]
		if (which==photos.length-1) {
			document.images.next.src=[fim]
		}
	}
}