var preloadedimages=new Array()
for (i=0;i<photos.length;i++){
preloadedimages[i]=new Image()
preloadedimages[i].src=photos[i]
}
function backward(){
	if (which>0){
		which--;
		}
		else
		{
		which=(photos.length-1);
		}
	document.images.photoslider.src=photos[which];
    document.aplicacoes.texto.value = nome_cat[which]
}

function forward(){
	if (which<photos.length-1){
		which++
		}
		else
		{
		which=0;
		}
    document.images.photoslider.src=photos[which];
    document.aplicacoes.texto.value = nome_cat[which]
}

function transport(){
	window.location=photoslink[which];
}