function moveOptions(dst, src) {
	var i = 0;
	while (i < src.length) {
		if (src.options[i].selected == true) {
		  dst.options[dst.length] = new Option(src.options[i].text, src.options[i].value);
		  src.options[i] = null;
		} else {
		 i++;
		}
	}
}


function rozwin(pole)
{
	ul = document.getElementById("ul" + pole);
	if (ul.style.display=='none')
		ul.style.display='block';
		else
		ul.style.display='none';
}

// Sprawdzanie formularzy

function Focus(control) {
  control.focus();
  control.select();
}

function IsEmailCorrect(email) {
  return email.match(/^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@([a-zA-Z0-9-]+\.)+([a-zA-Z]{2,4})$/)!=null;
}

function IsEmpty(pole) {
  if (pole=='') 
  	return true
	else
	return false
}

/* FORMULARZ */

function form_check(id){
	form=document.getElementById(id);
	sbmt=form_test(form);
	if (sbmt) 
		form.submit();
}

function form_test(form)
{
	if (IsEmpty(form.name.value)) {
		alert ('Leeg veld: Naam bedrijf');
		Focus(form.name);
		return false;
	  }
	if (!IsEmailCorrect(form.email.value)) {
		alert ('E-mail adres is niet geldig');
		Focus(form.email);
		return false;
	  }
	if (IsEmpty(form.address.value)) {
		alert ('Leeg veld: Adres');
		Focus(form.address);
		return false;
	  }
	if (IsEmpty(form.postcode.value)) {
		alert ('Leeg veld: Postcode');
		Focus(form.postcode);
		return false;
	  }
	if (IsEmpty(form.post2.value)) {
		alert ('Leeg veld: Postcode');
		Focus(form.post2);
		return false;
	  }
	if (IsEmpty(form.stad.value)) {
		alert ('Leeg veld: Stad');
		Focus(form.stad);
		return false;
	  }
	if (IsEmpty(form.tel.value)) {
		alert ('Leeg veld: Telefoonnummer');
		Focus(form.tel);
		return false;
	  }
	if (IsEmpty(form.huidig.value)) {
		alert ('Leeg veld: Huidig aantal m2');
		Focus(form.huidig);
		return false;
	  }
	if (IsEmpty(form.gewenst.value)) {
		alert ('Leeg veld: Gewenst aantal m2');
		Focus(form.gewenst);
		return false;
	  }
	return true;
}

/* News */

function slide_image(type,number)
{
	current=document.getElementById("image_" + number);
	if (type=='next')
		nnum=number+1;
	else
		nnum=number-1;
	other=document.getElementById("image_" + nnum);
	current.style.display='none';
	other.style.display='block';
}

function load_tour_window(url) {
	window.open(url,'name','height=600,width=850');
}