var blink_los = "0";
var bflag = "0";
var zeiger = "hand";

var s_name = "Bitte geben Sie hier Ihren Namen ein";
var s_email = "Bitte geben Sie hier Ihre E-Mail-Adresse ein";
var s_betreff = "Bitte geben Sie hier den Betreff Ihrer Nachricht ein";
var s_nach = "Bitte geben Sie hier Ihre Nachricht ein";


if (navigator.appName == "Netscape"){
  zeiger = "pointer";
}


function chimg01(){
  if(document.getElementById)
    document.getElementById('pic').style.visibility = "visible";
    document.images.anfahrt.src = 'images/grafiken/anfahrt_.jpg';
}
function chimg02(){
  if(document.getElementById)
    document.getElementById('pic').style.visibility = "hidden";
    document.images.anfahrt.src = 'images/grafiken/anfahrt.jpg';
}


function blinken() {
  blink_los++;
  if ((blink_los % 2) == 0) {
    if (bflag == "11") document.form.name.value = s_name;
    if (bflag == "12") document.form.email.value = s_email;
    if (bflag == "13") document.form.subject.value = s_betreff;
    if (bflag == "14") document.form.nachricht.value = s_nach;
  }
  else {
    if (bflag == "11") document.form.name.value = "";
    if (bflag == "12") document.form.email.value = "";
    if (bflag == "13") document.form.subject.value = "";
    if (bflag == "14") document.form.nachricht.value = "";
  }
  if (blink_los > 5) blink_los = 0;
  if (blink_los >= 1 && blink_los <= 5) ID=setTimeout("blinken()",100);
}


function validate(sflag) {
  if (sflag == 1) {
    if(document.form.name.value == document.form.name.defaultValue || document.form.name.value == "" || document.form.name.value == s_name) {
      bflag = "11";
      blinken();
      document.form.name.style.color = "#B60000";
      document.form.name.focus();
    }
    else {
      if(document.form.email.value == document.form.email.defaultValue || document.form.email.value == "" || document.form.email.value == s_email || document.form.email.value.indexOf ('@') == -1 || document.form.email.value.indexOf ('.') == -1) {
        bflag = "12";
        blinken();
        document.form.email.style.color = "#B60000";
        document.form.email.focus();
      }
      else {
        if(document.form.subject.value == document.form.subject.defaultValue || document.form.subject.value == "" || document.form.subject.value == s_betreff) {
          bflag = "13";
          blinken();
          document.form.subject.style.color = "#B60000";
          document.form.subject.focus();
        }
        else {
          if(document.form.nachricht.value == document.form.nachricht.defaultValue || document.form.nachricht.value == "" || document.form.nachricht.value == s_nach) {
            bflag = "14";
            blinken();
            document.form.nachricht.style.color = "#B60000";
            document.form.nachricht.focus();
          }
          else {
            document.form.submit();
          }
        }
      }
    }
  }
}