$(document).ready(function(){	

	/* external links */
	$(".external").click(function(){
		return !window.open(this.href);
	});
	
	/* colorbox for images and videos */
	$("a[rel='lightbox']").colorbox();
	// $("a[rel='youtube']").colorbox({iframe:true, innerWidth:640, innerHeight:505});

});

function zobraz() {
	  e=document.getElementById('form');
	  f=document.getElementById('cenik');
	  f.style.display='none';
	  g=document.getElementById('kont');
	  g.style.display='block';
	  if (e.style.display=='block') e.style.display='none';
	  else e.style.display='block';
}

function zobraz2() {
  c=document.getElementById('cenik');
  k=document.getElementById('kont');
  if (c.style.display=='block') {
    c.style.display='none';
    k.style.display='block';
  } else {
    c.style.display='block';
    k.style.display='none';
  }
}