function teljesKepernyo() {
	document.getElementById('teljesKepernyo').style.width = '100%';
	document.getElementById('teljesKepernyo').style.height = '100%';
	document.getElementById('teljesKepernyo').style.display = 'block';

	document.getElementById('teljesKep').style.top = document.body.scrollTop +20;
	document.getElementById('teljesKep').style.left = (document.body.offsetWidth / 2) - (document.getElementById('teljesKep').clientWidth / 2);
}
function teljesKepernyobezar() {
	document.getElementById('teljesKepernyo').style.display = 'none';
}

function divMeretek() {
  var balX = 250;
  var jobbX = document.getElementById('keret').clientWidth - balX;

  document.getElementById('bal').style.width = balX;
  document.getElementById('jobb').style.width = jobbX;
  document.getElementById('tartalom2').style.width = jobbX;
  document.getElementById('teljesKep').style.left = (document.body.offsetWidth / 2) - (document.getElementById('teljesKep').clientWidth / 2);
}