function draw_image(name){
  document.getElementById('d_image_place').innerHTML = '<img src="'+name+'" style="margin:20px;border:10px solid white;" onclick="hide_image();">';
  document.getElementById('d_image_place').style.display = '';
}

function hide_image(){
  document.getElementById('d_image_place').innerHTML = '';
  document.getElementById('d_image_place').style.display = 'none';
}