function displayWindow(url, width, height) {
        var Win = window.open(url,"displayWindow",'width=' + width + ',height=' + height + ',resizable=0,scrollbars=yes,menubar=no' );
}

function schowajUkryj( idInput, idBox ) {
   if(document.getElementById(idInput).checked == true) {
      document.getElementById(idBox).style.display='block';
   } 
   else
   {
      document.getElementById(idBox).style.display='none';
   }
}