function submitenter(myfield, e) {
	var keycode;
	if (window.event) keycode = window.event.keyCode;
	else if (e) keycode = e.which;
	else return true;

	if (keycode == 13) {
	   getAge(1);
	   return false;
	} else {
	   return true;
	}
}

function getBandwidth(currentBandwidth) {
  document.ageform.bandwidth.value = currentBandwidth;
 	document.ageform.submit();

}

function getAge(age) {
	var strValidChars = "0123456789";
	var strChar;
  var error = 0;

	if (age!=18) {
		 document.getElementById("tooYoungError").innerHTML="<img src='images/age_error.jpg'>";
	  } else {
	  document.ageform.submit();
		document.ageCheck.value=1;
	}
}

function showAgeError() {
	document.getElementById("ageError").innerHTML="<img src='images/error.gif'>";
}

function showTerms() {
	foo = window.open("/blog/terms.html", "Nutzungsbedingungen", "width=520,height=580,status=no,scrollbars=yes,resizable=no");
}

function showImprint() {
	foo = window.open("/blog/imprint.html", "Impressum", "width=520,height=580,status=no,scrollbars=yes,resizable=no");
}

function showContact() {
	foo = window.open("/blog/contact.html", "Kontakt", "width=520,height=426,status=no,scrollbars=yes,resizable=no");
}

function initOverLabels () {
  if (!document.getElementById) return;      

  var labels, id, field;

  // Set focus and blur handlers to hide and show 
  // labels with 'overlabel' class names.
  labels = document.getElementsByTagName('label');
  for (var i = 0; i < labels.length; i++) {

    if (labels[i].className == 'overlabel') {

      // Skip labels that do not have a named association
      // with another field.
      id = labels[i].htmlFor || labels[i].getAttribute('for');
      if (!id || !(field = document.getElementById(id))) {
        continue;
      } 

      // Change the applied class to hover the label 
      // over the form field.
      labels[i].className = 'overlabel-apply';

      // Hide any fields having an initial value.
      if (field.value !== '') {
        hideLabel(field.getAttribute('id'), true);
      }

      // Set handlers to show and hide labels.
      field.onfocus = function () {
        hideLabel(this.getAttribute('id'), true);
      };
      field.onblur = function () {
        if (this.value === '') {
          hideLabel(this.getAttribute('id'), false);
        }
      };

      // Handle clicks to label elements (for Safari).
      labels[i].onclick = function () {
        var id, field;
        id = this.getAttribute('for');
        if (id && (field = document.getElementById(id))) {
          field.focus();
        }
      };

    }
  }
};

function hideLabel (field_id, hide) {
  var field_for;
  var labels = document.getElementsByTagName('label');
  for (var i = 0; i < labels.length; i++) {
    field_for = labels[i].htmlFor || labels[i].getAttribute('for');
    if (field_for == field_id) {
      labels[i].style.textIndent = (hide) ? '-2000px' : '0px';
      return true;
    }
  }
}

window.onload = function () {
  setTimeout(initOverLabels, 50);
}
