function carousel(eid, n) {
  elm=eval('carouselRc.'+eid);
  elm.curr=n;
  var elms=$$('#'+eid+' ul li');
  var max=elms.length-1;
  var next=n+1;
  if (next>max) next=0;
  var i=0; while(elms[i]) { if (i==n) elms[i].show(); else elms[i].hide(); i++; }
//  setTimeout("carousel('"+eid+"', "+next+")",5000);
}

function carouselNext(eid) {
  var elm=eval('carouselRc.'+eid);
  var n=elm.curr;
  var max=$$('#'+eid+' ul li').length-1;
  var next=n+1;
  if (next>max) next=0;
  return next;
}

function carouselPrevious(eid) {
  var elm=eval('carouselRc.'+eid);
  var n=elm.curr;
  var max=$$('#'+eid+' ul li').length-1;
  var previous=n-1;
  if (previous<0) previous=max;
  return previous;
}