var cnt=0;
var lnr=0;

window.setInterval("schrift();",speed);
        
function schrift() {
  var x=text[lnr];
  if (cnt <= x.length) { add="_"; } else { add=""; }
  document.getElementById("scrolltext").innerHTML="&nbsp;&nbsp;"+x.substring(0,cnt)+add;
  cnt=cnt+1;
  if (cnt > x.length+10) { 
    cnt=0;
    lnr=lnr+1;
    if (lnr >= lnrmax) { lnr=0; }
  }
}

function confirm_it(frage,url) {
  if (confirm(frage) == true) {
    window.location.href=url;
  }
}