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


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


function show(content) {
  if(document.getElementById)
    document.getElementById(content).style.visibility = "visible";
    document.images.anklicken.src = 'images/transparent.gif';
}
function hide(content) {
  if(document.getElementById)
    document.getElementById(content).style.visibility = "hidden";
    document.images.anklicken.src = 'images/vergroessern.gif';
}


function text(tflag) {
  if(document.getElementById)
    document.getElementById("beschreibung").innerHTML = tflag;
}


function blinken() {
  blink_los++;
  if ((blink_los % 2) == 0) {
    if (bflag == "11" || bflag == "31" || bflag == "41") document.form.realname.value = name_string;
    if (bflag == "12" || bflag == "32") document.form.email.value = email_string;
    if (bflag == "13") document.form.nachricht.value = nachricht_string;
  }
  else {
    if (bflag == "11" || bflag == "31" || bflag == "41") document.form.realname.value = "";
    if (bflag == "12" || bflag == "32") document.form.email.value = "";
    if (bflag == "13" || bflag == "33" || bflag == "43") 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.realname.value == document.form.realname.defaultValue || document.form.realname.value == "" || document.form.realname.value == name_string) {
      bflag = "11";
      blinken();
      document.form.realname.style.color = "#800000";
      document.form.realname.focus();
    }
    else {
      if(document.form.email.value == document.form.email.defaultValue || document.form.email.value == "" || document.form.email.value == email_string || document.form.email.value.indexOf ('@') == -1 || document.form.email.value.indexOf ('.') == -1) {
        bflag = "12";
        blinken();
        document.form.email.style.color = "#800000";
        document.form.email.focus();
      }
      else {
        if(document.form.nachricht.value == document.form.nachricht.defaultValue || document.form.nachricht.value == "" || document.form.nachricht.value == frage_string) {
          bflag = "13";
          blinken();
          document.form.nachricht.style.color = "#800000";
          document.form.nachricht.focus();
        }
        else {
          document.form.submit();
        }
      }
    }
  }
}