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_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_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 $(wartosc) {
	return document.getElementById(wartosc);
}


// show / hide Tooltip
function hidediv() {
if (document.getElementById) { // DOM3 = IE5, NS6
document.getElementById('helpTip').style.visibility = 'hidden';
}
else {
if (document.layers) { // Netscape 4
document.helpTip.visibility = 'hidden';
}
else { // IE 4
document.all.helpTip.style.visibility = 'hidden';
}
}
}

function showdiv() {
if (document.getElementById) { // DOM3 = IE5, NS6
document.getElementById('helpTip').style.visibility = 'visible';
}
else {
if (document.layers) { // Netscape 4
document.helpTip.visibility = 'visible';
}
else { // IE 4
document.all.helpTip.style.visibility = 'visible';
}
}
}


// Outlines
function outlines() { 
   var anchors = document.getElementsByTagName("a"); 
   for (var i=0; i<anchors.length; i++) { 
      anchors[i].onfocus = function() { 
         this.blur(); 
      } 
   } 
} 
function Nolines() { 
   if (typeof HTMLElement != "undefined") outlines(); 
}

// Validate Contact Form
function validate_contactform() {
	
	field = new Array('imie','email','tekst');
	var reg = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/; 
	
		
	var y=true;
	for (var i=0;i<field.length;i++) {
		
		if ($(field[i]).value=='') {
			$(field[i]).className='input_error';
			y=false;		
		} 
		
		else if ($(field[i]).value!='') {
			
			$(field[i]).className='input';
			// czy pole email jest poprawne
			if (reg.test ($(field[1]).value) )
			$(field[1]).className='input';
			else {
			$(field[1]).className='input_error';
			y=false;
			}
			
		} 
		
		else {
			$(field[i]).className='input';
		}
	}
	return y;

}