//preload images
images = new Array('aktualnosci', 'edukacja', 'o_mnie', 'polecam', 'praca');
preloaded = new Array();
for ( i in images )
{
  preloaded[i] = new Image();
  preloaded[i].src = 'img/menu/' + images[i] + '_1.gif';
}

function getObj(id)
{
  if ( document.all )
    obj = eval ('document.all.' + id);
  else
    obj = document.getElementById(id);
  return obj;
}

function over(what,n) {
//	window.status=n;
	if (what.isdown) n=0;
	what.src = what.src.substr(0,what.src.length-5)+n+".gif";
//	what.style.borderColor = (n>0 ? "#8BA78A" : "#E3F8E2");
        what.className = (n>0 ? "toolbar_over" : "toolbar");
	what.isover = n;
//	if (what.isdown) down(what);
}
function down(what) {
//	window.status='d';
	what.style.borderColor = "black";
	what.isdown = 1;
}
function act(what,n) {
	if (what.isdown) {
//		alert(n);
		over(what,1);
		what.isdown=0;
	}
}

function setOption(id)
{
  id = 'opt_' + id;
  obj = getObj(id);
  obj.checked = true;
}

function vote(id)
{
  var i;
  form = eval('document.survey' + id);
  for ( i = 0; i < form.survey.length; i++ )
    if ( form.survey[i].checked )
    {
      form.submit();
      return;
    }
  alert("Proszę wybrać jedną z odpowiedzi");
}