// show one, hide the rest

function language(aktivesTab) {

  var Tabs = new Array('page01','page02','page03');

  for (i=0; i<Tabs.length; i++) {
    if (aktivesTab == Tabs[i]) {
      document.getElementById(Tabs[i]).style.visibility = 'visible';
      document.getElementById(Tabs[i]).style.display = 'block';
    }
    else {
      document.getElementById(Tabs[i]).style.visibility = 'hidden';
      document.getElementById(Tabs[i]).style.display = 'none';
    }
  }
}

function toggleInline(lang){
  if (document.getElementById(lang).style.visibility == 'hidden') {
    document.getElementById(lang).style.visibility = 'visible';
  } else {
    document.getElementById(lang).style.visibility = 'hidden';
  }
  if (document.getElementById(lang).style.display == 'none') {
    document.getElementById(lang).style.display = 'inline';
  } else {
    document.getElementById(lang).style.display = 'none';
  }

}

function moveImg(img){
  randNumber = Math.round(Math.random()*(4-1))+1;
  document.getElementById(img).style.position = 'relative';
  document.getElementById(img).style.right = '-'+ randNumber +'px';
  document.getElementById(img).style.top = '-'+ randNumber +'px';
}

function moveImgBack(img){
  document.getElementById(img).style.position = 'relative';
  document.getElementById(img).style.right = '0';
  document.getElementById(img).style.top = '0';
}