function openWindow (str_file, params) {
alert(str_file);
  if (params != "") {
    var win = window.open(str_file, 'KeimWeb', params);
  } else {
    var win = window.open(str_file, 'KeimWeb', 'width=100%,height=100%,locationbar=no,resizable=yes,scrollbars=no');
  }
  win.focus();
}


  function setReceiver() {
    var selOption = document.formContact.receiver.selectedIndex;
    if (selOption == 0) {
      document.getElementById('rec2').value = "";
    }
    if (selOption == 1) {
      document.getElementById('rec2').value = "";
    }
    if (selOption == 2) {
      document.getElementById('rec2').value = "";
    }
    if (selOption == 3) {
      document.getElementById('rec2').value = "";
    }
  }

  function changeButton(img,imgName){
    document.getElementById(imgName).src = img;
  }

  function registerNewsAbo(p_what, p_action) {
    if(p_what == 'del') {
      document.getElementById('email').value = document.getElementById('newsMail').value;
    }
    if (validateForm(document.newsletterForm,false,false,false,false,5)) {
      newsletterForm.action = p_action;
      newsletterForm.submit();
    }
  }