var imgs = new Array();
for(i=0;i<=7;i++){
	imgs[i] = new Image();
	imgs[i].src = "../images/orange0"+ i + ".gif";
}
function chgImg(imgname,nbr) {
	if(document.images) {
		if(imgs[nbr]) {
			document.images[imgname].src = imgs[nbr].src;
		}
		else{
			document.images[imgname].src = imgname;
		}
	}
}
function appear(id){
  var style=document.getElementById?
              document.getElementById(id).style:(
                document.all?document.all(id).style:(
                  document.layers?document.layers[id]:null
                  )
              );
  if(style) style.visibility='inherit';
}
function disappear(id){
  var style=document.getElementById?
              document.getElementById(id).style:(
                document.all?document.all(id).style:(
                  document.layers?document.layers[id]:null
                  )
              );
  if(style) style.visibility='hidden';
}