function el_next_image () {
  Effect.Fade('el_img'+el_num,{ duration:0.7});
    if (el_num == el_total) { 
      el_num=1;
      } else {
        el_num++;
      }
  Effect.Appear('el_img'+el_num,{ duration:0.7}); 
}
function mh_next_image () {
  Effect.Fade('mh_img'+mh_num,{ duration:0.7});
    if (mh_num == mh_total) { 
      mh_num=1;
      } else {
        mh_num++;
      }
  Effect.Appear('mh_img'+mh_num,{ duration:0.7}); 
}
function transition_image (ptr,oldnum,newnum) {
  Effect.Fade(ptr+oldnum,{ duration:0.7});
  Effect.Appear(ptr+newnum,{ duration:0.7}); 
}
function fp_next_image () {
  Effect.Fade('fp_img'+fp_num,{ duration:0.7});
    if (fp_num == fp_total) { 
      fp_num=1;
      } else {
        fp_num++;
      }
  Effect.Appear('fp_img'+fp_num,{ duration:0.7}); 
}
function ss_next_image () {
  Effect.Fade('ss_img'+ss_num,{ duration:0.7});
    if (ss_num == ss_total) { 
      ss_num=1;
      } else {
        ss_num++;
      }
  Effect.Appear('ss_img'+ss_num,{ duration:0.7}); 
}
function openwindow(image_path) {
	window.open(image_path,"mywindow","status=0,scrollbars=0,toolbar=0,menubar=0,location=0,resizable=0,width=540,height=540");
}