function show_showme6(ii) {
  c = document.getElementById('count_showme6').value;
  for(f=1;f<=c;f++) {
    if(f == ii) {
      
    } else {
      eval("document.getElementById('showme6_" + f + "').style.display = 'none'");
      eval("document.getElementById('quadrat_" + f + "').src = './Site/IMG/quadrat_grau.jpg'");
    }
  }
  eval("document.getElementById('showme6_" + ii + "').style.display = 'block'");
  eval("document.getElementById('quadrat_" + ii + "').src = './Site/IMG/quadrat_rot.jpg'");
}


function change_pic(i) {
  if(i <= 1) {
    document.getElementById('picshow1').style.display = 'none';
    document.getElementById('picshow2').style.display = 'block';
  } else {
    document.getElementById('picshow2').style.display = 'none';
    document.getElementById('picshow1').style.display = 'block';
  }  
}