function popup(page) {

  var w = window.open( page + ".php", "name", "width=350, height=250" );

}

function validation() {

  if (!document.getElementById || !document.getElementById('postform')) return;

  var lang = document.getElementsByTagName('html')[0].getAttribute('lang');
  if (lang == "lt") {
    var message = "Prašome patikrinti privalomus laukus.\nPrivalomi laukai yra pažymėti žvaigždutėmis.";
  }
  else if (lang == "en") {
    var message = "Please fill in the required fields before submitting.\nThey are marked with an asterisk.";
  }

  var elements = document.getElementById('postform').elements;
  var check = new Array;

  for (var i = 0; i < elements.length; i++ ) {
    if (elements[i].name == "f_name" || elements[i].name == "f_lastname" || elements[i].name == "f_email" || elements[i].name == "f_phone3" || elements[i].name == "f_complaints" || elements[i].name == "f_symptoms") {
      if (elements[i].value == "") {
        alert(message);
        return false;
      }
    }
  }

}

function assignPopup() {

  if (!document.getElementById) return false;

  var lnks = document.links;
  for (var i = 0; i < lnks.length; i++) {
    if (lnks[i].className.indexOf('popup') != -1) {

      lnks[i].onclick = function() {
        var href = this.href;
        var win = window.open(href, "bac_vtour", "width=320, height=269");
        return false;
      }
    }
  }

}

window.onload = function() {
  assignPopup();
}

function popimg(a, width, height)
{
	var win = window.open('','w'+new Date().getTime(),'width='+ width +',height='+ height +',toolbar=no,location=no,status=no,resizable=no,left='+ ((screen.width - width)/2) +',top='+ ((screen.height - height)/2));
	if (win)
	{
	win.document.write('<html><head><meta http-equiv="imagetoolbar" content="no"><title>'+ a.title +'</title></head><body style="margin:0;padding:0;" onblur="window.close()" onload="document.title=\''+ a.title +'\'"><img src="'+ a.href +'" /></body></html>');
	win.document.close();
	}
	return false;
}
