// JavaScript Document

function MM_swapImgRestore() {
  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() {
  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) {
  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() {
  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 validateForm ( )
{
valid = true; 
if ( document.form.imie.value == "" ) valid = false; 
if ( document.form.email.value == "" ) valid = false;
if ( document.form.zapytanie.value == "" ) valid = false; 


if (valid === false) {
alert ("Uzupełnij wszystkie pola.");
}
return valid;

}

function change () {
	document.getElementById('1_1').style.visibility = 'visible';
}

function change2 () {
	document.getElementById('1_2').style.visibility = 'visible';
}
function change3 () {
	document.getElementById('1_3').style.visibility = 'visible';
}
function changeb () {
	document.getElementById('1_1').style.visibility = 'hidden';
}
function changeb2 () {
	document.getElementById('1_2').style.visibility = 'hidden';
}
function changeb3 () {
	document.getElementById('1_3').style.visibility = 'hidden';
}