function parseinput(ort){
  var sign = ["ö","ü","ä","ß"," ",",","/",":","·","é","è","ê","Ö","Ü","Ä"];
  var replace= ["oe","ue","ae","ss","-","-","-","-","-","e","e","e","Oe","Ue","Ae"];
  for (var i = 0; i < sign.length; i++){
    while(ort.search(sign[i]) != -1) {
      ort = ort.replace(sign[i], replace[i]);
    }
  }
  while(ort.search(/\./) != -1) {
    ort = ort.replace(/\./, "-");
  }
  while(ort.search("--") != -1) {
    ort = ort.replace("--", "-");
  }
  if(ort.substr(ort.length-1, ort.length) == "-") ort = ort.substr(0, ort.length-1);
  if(ort.substr(0, 1) == "-") ort = ort.substr(1, ort.length);
  return ort;
}

function countroute() {
  var gpStart = parseinput(document.getElementById("start").value);
  var gpEnd   = parseinput(document.getElementById("end").value);
  if(gpStart && gpEnd) {
    self.location.href = "http://www.luftlinie.org/" + gpStart +"_" + gpEnd;
  }
  if(gpStart == ""){ 
    //document.getElementById("start").style.backgroundColor = "#7dbb00";
    document.getElementById("start").focus();
  }
  if(gpEnd == ""){ 
    //document.getElementById("end").style.backgroundColor = "#7dbb00";
    document.getElementById("end").focus();
  }
}