function test_formularz_kontaktowy()
{
	var form = document.forms['formularz_kontaktowy'];
	var puste = false;
	
	for (i = 0; i < form.elements.length; i++)
	{
   		if( form.elements[i].value == '' )
			puste = true;
  	}
	if( puste )
	{
		alert('Musisz wypełnić wszystkie pola w formularzu !');
		return false;
	}
	
	
	reg = /^([a-zA-Z0-9])+([a-zA-Z0-9\._-])*@([a-zA-Z0-9_-])+([a-zA-Z0-9\._-]+)+$/;
	if( !form.elements['email'].value.match(reg) )
	{
		alert('Musisz podać poprawny adres e-mail !');
		return false;
	}
	
   	return true;
}
//*********************************************************************
//duze zdjecie w nowym okienku
function zdjecie(file, x, y)
{
	var left, top;//, x, y;
	//x = 800;
	//y = 600;
	left = Math.round((screen.width - x) / 2);
	top = Math.round((screen.height - y) / 2);
	window.open('zdjecie.php?z='+file,'','width='+x+', height='+y+', top='+top+', left='+left+', resizable=no, scrollbars=no, menubar=no, status=no').focus();	
}
//**************************************************************************************************
//menu rozwijane
var display_timer_id = new Array();
function display(id, wartosc)
{
  clearTimeout(display_timer_id[id]);
  if (document.getElementById)
		display_timer_id[id] = setTimeout('document.getElementById("' + id + '").style.display = "' + wartosc + '"', 1);
  else if (document.all)
		display_timer_id[id] = setTimeout('document.all["' + id + '"].style.display = "' + wartosc + '"', 1);
}
//**************************************************************************************************
//podmienienie obrazkow w menu
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//**************************************************************************************************
//********************************************************************************************