function pop(Link) {
  var desktop = window.open(Link,'_blank','toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=yes,left=150,screenX=150,top=50,screenY=50,width=600,height=500');
}
function imChange(Name, Src) {
  document.images[Name].src = Src;
}