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];}
}

function trim(txt){
    return txt.replace(/(^\s+)|(\s+$)/g, '');
}

function ukryjObiektOId(elId){
	elObject = document.getElementById(elId);
	elObject.style.display = 'none';
}

function wyswietlObiektOId(elId){
	elObject = document.getElementById(elId);
	elObject.style.display = 'block';
}

function przeladuj(loc){
		document.location.href = loc;
}

function limit_dla_pola(limit, pole, span_pole){
	if (document.getElementById(pole).value.length > limit){
		document.getElementById(pole).value = document.getElementById(pole).value.substring(0, limit);
	}
	if(span_pole.length > 0){
		txt = '';
		ile_pozostalo = limit - document.getElementById(pole).value.length;
		txt = '<br />Pozostało ' + ile_pozostalo + ' z ' + limit + ' znaków.';
		document.getElementById(span_pole).innerHTML = txt;
	}
}

function formatujLiczbe(n, dokladnosc){
	return n.toFixed(dokladnosc);
}