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

     };
     new YAHOO.util.Anim(document.getElementById('photo_gallery_container_right'), attributes_open, duration_right, YAHOO.util.Easing.easeNone).animate();
     if(move_type == 'next'){
          margin_left_photo = margin_left_next_photo;
     }else{
          margin_left_photo = margin_left_next_photo;
     }
     /*
     for(var i=1;i<=photo_galleries_page_no;i++){
          if(i == page_no_photo){
               document.getElementById('link_page_photo_'+i).className = 'selectedNr';
          }else{
               document.getElementById('link_page_photo_'+i).className = '';
          }
     }
     */
}

function photo_move_to_page(selected_page_no){
     page_no_photo = selected_page_no;
     /*
     for(var i=1;i<=photo_galleries_page_no;i++){
          if(i == page_no_photo){
               document.getElementById('link_page_photo_'+i).className = 'selectedNr';
          }else{
               document.getElementById('link_page_photo_'+i).className = '';
          }
     }
     */
     var magin_left_to_change = (page_no_photo-1)*(-index_width);
     var attributes_open = {
          marginLeft: {  to: magin_left_to_change, unit: 'px' }
     }
     new YAHOO.util.Anim(document.getElementById('photo_gallery_container_right'), attributes_open, duration_right, YAHOO.util.Easing.easeNone).animate();
     margin_left_photo = magin_left_to_change;
}