function photo_move_next_right (move_type,gallery) {
     if(move_type == 'next'){
          margin_left_next_photo[gallery] = margin_left_photo[gallery] - index_width;
          if(page_no_photo[gallery] == photo_galleries_page_no[gallery]){
               margin_left_next_photo[gallery] = 0;
               page_no_photo[gallery] = 1;
          }else{
               page_no_photo[gallery] = page_no_photo[gallery]+1;
          }
     }else{
          margin_left_next_photo[gallery] = margin_left_photo[gallery]+index_width;
          if(page_no_photo[gallery] == 1){
               margin_left_next_photo[gallery] = (-index_width * (photo_galleries_page_no[gallery]-1));
               page_no_photo[gallery] = photo_galleries_page_no[gallery];
          }else{
               page_no_photo[gallery] = page_no_photo[gallery]-1;
          }
     }
     var attributes_open = {
          marginLeft: {  to: margin_left_next_photo[gallery], unit: 'px' }

     };
     new YAHOO.util.Anim(document.getElementById('photo_gallery_container_right_'+gallery), attributes_open, duration_right, YAHOO.util.Easing.easeNone).animate();
     if(move_type == 'next'){
          margin_left_photo[gallery] = margin_left_next_photo[gallery];
     }else{
          margin_left_photo[gallery] = margin_left_next_photo[gallery];
     }
}