var $last="";
var $locked="";
var $fixed=0;

function activate($bild) {
  if ($fixed == 0) {
    if ($last != "") {
      document.getElementById($last).style.display="none";
    }
    document.getElementById($bild).style.display="inline";
    $last=$bild;
  }
}

function fix($bild,$nail) {
  document.getElementById($last).style.display="none";
  document.getElementById($bild).style.display="inline";
  $last=$bild;
  if ($fixed == 0) {
    $fixed=1;
    document.getElementById($nail).className="img1";
    $locked=$nail;
  } else {
    document.getElementById($locked).className="img2";
    $fixed=0;
  }
}

function xemailalt () {
  if (document.getElementById("emailneu").value == "") {
    s=document.getElementById("emailalt").value;
    document.getElementById("emailneu").value=s;
  }
}

function confirm_it(text,url) { 
  if (confirm(text) == true) { 
    window.location.href=url; 
  } 
}
 
function textfeld(id,row) { 
  if (document.getElementById(id).rows == 1) { 
    document.getElementById(id).rows=row; 
    document.getElementById(id+"b").src="b_up.png"; 
  } else { 
    document.getElementById(id).rows=1; 
    document.getElementById(id+"b").src="b_down.png"; 
  } 
}