function RPClass(hi) {
   if (hi.className == 'gallery_image') {
      hi.className = 'gallery_image_hover';
   }
   else if (hi.className == 'gallery_image_href') {
      hi.className = 'gallery_image_hover_href';
   }
   else {
   //null
   }
}
function RPClassR(hi) {
   if (hi.className == 'gallery_image_hover') {
      hi.className = 'gallery_image';
   }
   else if (hi.className == 'gallery_image_hover_href') {
      hi.className = 'gallery_image_href';
   }
   else {
   //null
   }
}