function validateNws(AForm)
{
    reg = /^[a-zA-Z0-9ąćęłńóśżźĄĆĘŁŃÓŚŻŹ\-\_\.]{1,60}@[a-zA-Z0-9ąćęłńóśżźĄĆĘŁŃÓŚŻŹ\-\_\.]+(\.[a-zA-Z0-9ąćęłńóśżźĄĆĘŁŃÓŚŻŹ\-\_\.]+)+$/;
    wyn = AForm.email.value.match(reg);
    if (wyn == null) {
        alert("Proszę podać poprawny adres email.");
        return false;
    }
	else if((AForm.imie.value == '')) {
		alert("Podaj imię.");
        return false;
	}
    else {
		return true;
    }

};

function toggleTekst() {
	$('abbr').fade();
	$('full').appear();
	setTimeout(function() {a = $('abbr').getHeight();	$('full').style.marginTop = '-'+a+'px';},1);
	setTimeout(function() {$('full').style.marginTop = '0';Scroller.updateAll();},1000);
}

function showMenu(id) {
//	$('ul' + id).style.display = 'none';
//	$('ul' + id).appear({duration: 1.0});
	Effect.SlideDown('ul' + id, { duration: 0.5 });
	$('ul' + id).style.display = 'block';
}

function hideMenu(id) {
	Effect.SlideUp('ul' + id, { duration: 0.5 });
//	$('ul' + id).fade({ duration: 1.0, from: 1, to: 0 });
}

var DDSPEED = 10;
var DDTIMER = 15;

// main function to handle the mouse events //
function ddMenu(id,d){
  var h = document.getElementById(id + '-ddheader');
  var c = document.getElementById(id + '-ddcontent');
  clearInterval(c.timer);
  if(d == 1){
    clearTimeout(h.timer);
    if(c.maxh && c.maxh <= c.offsetHeight){return}
    else if(!c.maxh){
      c.style.display = 'block';
      c.style.height = 'auto';
      c.maxh = c.offsetHeight;
      c.style.height = '0px';
    }
    c.timer = setInterval(function(){ddSlide(c,1)},DDTIMER);
	h.style.color = 'gray';
  }else{
  	h.style.color = '#004990';
    h.timer = setTimeout(function(){ddCollapse(c)},50);
  }
}

// collapse the menu //
function ddCollapse(c){
  c.timer = setInterval(function(){ddSlide(c,-1)},DDTIMER);
}

// cancel the collapse if a user rolls over the dropdown //
function cancelHide(id){
  var h = document.getElementById(id + '-ddheader');
  var c = document.getElementById(id + '-ddcontent');
  h.style.color = 'gray';
  clearTimeout(h.timer);
  clearInterval(c.timer);
  if(c.offsetHeight < c.maxh){
    c.timer = setInterval(function(){ddSlide(c,1)},DDTIMER);
  }
}

// incrementally expand/contract the dropdown and change the opacity //
function ddSlide(c,d){
  var currh = c.offsetHeight;
  var dist;
  if(d == 1){
    dist = (Math.round((c.maxh - currh) / DDSPEED));
  }else{
    dist = (Math.round(currh / DDSPEED));
  }
  if(dist <= 1 && d == 1){
    dist = 1;
  }
  c.style.height = currh + (dist * d) + 'px';
  c.style.opacity = currh / c.maxh;
  c.style.filter = 'alpha(opacity=' + (currh * 100 / c.maxh) + ')';
  if((currh < 2 && d != 1) || (currh > (c.maxh - 2) && d == 1)){
    clearInterval(c.timer);
  }
}