function openGalleryWindow (number) {
  window.open('gallery/popup_'+number+'.html','gallery','width=579,height=700,scrollbars=yes,resizeable=no');
}
function openGalleryWindow2 (number) {
  window.open('gallery/image_'+number+'.html','gallery2','width=579,height=700,scrollbars=yes,resizeable=no');
}