// registrace supprot
function getSelected(obj)
{
  var count = 0;

  for(i=0; i<obj.length; i++)
  {
    if(obj.options[i].selected)
    {
	    if ( i == 0 ) 
		{
			document.getElementById('fyzicka_osobah').style.display = 'block';
			document.getElementById('pravnicka_osobah').style.display = 'none';
		}
	    if ( i == 1 ) 
		{
			document.getElementById('fyzicka_osobah').style.display = 'none';
			document.getElementById('pravnicka_osobah').style.display = 'block';
		}
		
	}
  }
}