// formularze

function formClearDefaultValues( form ) {
	var inputs = form.getElementsByTagName('input');
	for( var i = 0; i < inputs.length; i++ ) {
		if( inputs[i].type == 'text' ) {
			if( inputs[i].value == inputs[i].defaultValue ) {
				inputs[i].value = '';
			}
		}
	}
}

// fontSize

function resizeText() {
	var fontSize = readCookie('fontSize');
	if( !fontSize ) {
		fontSize = 'size0';
	}
	changeFontSize( fontSize );
}
function changeFontSize( fontSize ) {
	var content = document.getElementById('Content');
	var fontSizeHrefs = content.getElementsByTagName('ul')[0].getElementsByTagName('a');
	for( var i = 0; i < fontSizeHrefs.length; i++ ) {
		fontSizeHrefs[i].blur();
		var hrefClass = fontSizeHrefs[i].getAttribute('class') || '';
		if( hrefClass.indexOf( fontSize ) === 0 ) {
			fontSizeHrefs[i].setAttribute( 'class', fontSize + ' selected' );
		}
		else {
			fontSizeHrefs[i].setAttribute( 'class', hrefClass.replace( ' selected', '' ) );
		}
	}
	switch( fontSize ) {
		case 'size2':
			content.style.fontSize = '1.6em';
			break;
		case 'size1':
			content.style.fontSize = '1.3em';
			break;
		case 'size0':
		default:
			content.style.fontSize = '1em';
			break;
	}
	createCookie( 'fontSize', fontSize, 15 );
}

// themeSwitch

function switchTheme() {
	if( readCookie('siteTheme') == 'contrast' ) {
		eraseCookie('siteTheme');
	}
	else {
		createCookie( 'siteTheme', 'contrast', 30 );
	}
	document.location.reload();
}

// cookie

function createCookie( name, value, days ) {
	if( days ) {
		var date = new Date();
		date.setTime( date.getTime() + ( days * 24 * 60 * 60 * 1000 ) );
		var expires = "; expires=" + date.toGMTString();
	}
	else
		var expires = "";
	document.cookie = name + "=" + value + expires + "; path=/";
}
function readCookie(name)
{
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for( var i=0; i < ca.length; i++ ) {
		var c = ca[i];
		while( c.charAt(0) == ' ' ) {
			c = c.substring( 1, c.length );
		}
		if( c.indexOf( nameEQ ) == 0 ) {
			return c.substring(nameEQ.length,c.length);
		}
	}
	return null;
}
function eraseCookie( name ) {
	createCookie( name, "", -1 );
}

// JavaScript Document

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];}
}

var state = 'none';

function showhide(layer_ref) 
{
	
	var curState = ''

	if (document.all)
	{ //IS IE 4 or 5 (or 6 beta)
		eval( "curState = document.all." + layer_ref + ".style.display" );
	}
	if (document.layers)
	{ //IS NETSCAPE 4 or below
		curState = document.layers[layer_ref].display;
	}
	if (document.getElementById &&!document.all)
	{
		hza = document.getElementById(layer_ref);
		curState = hza.style.display;
	}

	if( curState == 'block' ) 
	{
		state = 'none';
	}
	else 
	{
		state = 'block';
	}

	if (document.all)
	{ //IS IE 4 or 5 (or 6 beta)
		eval( "document.all." + layer_ref + ".style.display = '" + state +"'");
	}
	if (document.layers)
	{ //IS NETSCAPE 4 or below
		document.layers[layer_ref].display = state;
	}
	if (document.getElementById &&!document.all)
	{
		hza = document.getElementById(layer_ref);
		hza.style.display = state;
	}
} 
function pokaz( id, stan ) {
	var element = document.getElementById( id );
	if( element ) {
		element.style.display = stan;
	}
}

function showOprocentowanie() { //v1.0
	var link = showOprocentowanie.arguments[0];
	var wal = 'PLN';

	if (document.kredyt.calc_waluta!=null){		
		for(var i=0; i<document.kredyt.calc_waluta.length; i++){
			if (document.kredyt.calc_waluta[i].checked){
				wal = document.kredyt.calc_waluta[i].value;
			}
		}
	}
	link = link+'&waluta='+wal;
	window.open(link, 'oprocentowanie','toolbar=no,location=0,directories=0,status=no,menubar=0,scrollbars=yes,resizable=1,copyhistory=0,width=800,height=250');	
	return false;
}
function setOprocentowanie( value )
{
	if( document.getElementById('f-calc_oprocentowanie')!=null)
	{
		document.getElementById('f-calc_oprocentowanie').value = value;
	}
}
function popup(name, width, height)
{
	parametry_okna='status=no,width='+width+',height='+height
	okno=open(name,'nowe_okno',parametry_okna)
}