function opensmallwindow(w, h) {
	smallwindow = window.open('', 'smallwindow', 'width='+w+', height='+h+', toolbar=no, scrollbars=yes')
	smallwindow.focus();
}
function opensmallwindow2(w, h) {
	smallwindow2 = window.open('', 'smallwindow2', 'width='+w+', height='+h+', toolbar=no, scrollbars=yes')
	smallwindow2.focus();
}
function openimgwindow(w, h) {
	imgwindow = window.open('', 'imgwindow', 'width='+w+', height='+h+', toolbar=no, scrollbars=no')
	imgwindow.focus();
}

function openprintwindow(w, h) {
	printwindow = window.open('', 'printwindow', 'width='+w+', height='+h+', toolbar=no, scrollbars=yes')
	printwindow.focus();
}

function validateregisterform() {
	for(var i=0; i<fields.length; i++) {
		if (document.f.elements[fields[i]].value == '' || document.f.elements[fields[i]].value == 0) {
			alert(fields_info[i]);
			document.f.elements[fields[i]].focus();
			return false;
		}
	}
	if (!validateemail(document.f.elements['email'].value)) {
		return false;
	}
	if (!validatepass()) {
		return false;
	}
	return true;
}

function validateemail(t) {
	maska = /^[0-9a-z_.-]+@([0-9a-z-]+.)+[a-z]{2,4}$/;
	if (maska.test(t)==false) {
		alert("Podaj poprawny adres e-mail");
		document.f.elements['email'].focus();
		return false;
	}
	return true;
}

function validatepass(t) {
	if (document.f.elements['pass'].value != document.f.elements['pass2'].value) {
		alert('Pola "Hasło" i "Powtórz hasło" muszą być równe');
		document.f.elements['pass2'].focus();
		return false;
	}
	return true;
}

function validateform2() {
 for(var i=0; i<fields.length; i++) {
  if (document.f.elements[fields[i]].value == '' || document.f.elements[fields[i]].value == 0) {
   alert(fields_info[i]);
   document.f.elements[fields[i]].focus();
   return false;
  }
}
 return true;
}

function p(x) {
	return x.toString().replace(/\,/,'.');
}

var options = { 
	target:        '',   // target element(s) to be updated with server response 
	beforeSubmit:  showRequest,  // pre-submit callback 
	success:       showResponse  // post-submit callback 
};

function showRequest() {

}

function showResponse(data) {
	alert(data);
}

function sendNewsletter()
{
	if ($('#newsletter input[name=email]').val() == '')
	{
		alert('Wpisz adres e-mail');
		return false;
	}
	$('#newsletter').ajaxSubmit(options);
	$('#newsletter input[name=email]').val('');
}