function close() {
  document.getElementById('popUpWelcome').style.visibility = 'hidden';
  document.getElementById('popUpWelcome').blur();
}

function popUpWelcome() {
    document.getElementById('popUpWelcome').style.display = 'block';
}


function popUpDesigner() {
    document.getElementById('popUpDesigner').style.visibility = 'visible';
}



function showSwf() {
    window.open('http://www.stako.cz/getswf.php?rand='+Math.random(),'Stako','width=820,height=674, top=100, left=200,');
  }