function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_validateForm() { //v4.0
  if (document.getElementById){
    var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
    for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=document.getElementById(args[i]);
      if (val) { nm=val.name; if ((val=val.value)!="") {
        if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
          if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
        } else if (test!='R') { num = parseFloat(val);
          if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
          if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
            min=test.substring(8,p); max=test.substring(p+1);
            if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
      } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
    } if (errors) alert('The following error(s) occurred:\n'+errors);
    document.MM_returnValue = (errors == '');
} }
function MM_setTextOfTextfield(objId,x,newText) { //v9.0
  with (document){ if (getElementById){
    var obj = getElementById(objId);} if (obj) obj.value = newText;
  }
}

function getDirections(form) {
    form = form;
    var daddr = form.childNodes[2].value;
    var saddr = '';
    
    var street      = form.childNodes[3].value;
    var number      = form.childNodes[4].value;
    var zip         = form.childNodes[6].value;
    var city        = form.childNodes[7].value;
    var travelMode  = form.childNodes[9].options[form.childNodes[9].selectedIndex].value;
    
    if (street != 'Straße') {
        saddr += street;
    }
    if (number != 'Nr.' && saddr.length > 0) {
        saddr += ' ' + number;
    }
    if (zip != 'PLZ') {
        if (saddr.length > 0) {
            saddr += ', ' + zip;
        } else {
            saddr += zip;
        }
    }
    if (city != 'Ort') {
        if (saddr.length > 0) {
            if (zip != 'PLZ') {
                saddr += ' ' + city;
            } else {
                saddr += ', ' + city;
            }
        } else {
            saddr += city;
        }
    }
    
    if (daddr.length > 0) {
        daddr += ', Austria';
    }
    if (saddr.length > 0) {
        saddr += ', Austria';
    }
    var routeType = '&dirflg=';
    if (travelMode == 2) {
        routeType += 'r'; // public
    } else if (travelMode == 3) {
        routeType += 'w'; // walking
    }
    
    var directions = new GDirections();
    GEvent.addListener(directions, "load", function() {
        var meters = directions.getDistance().meters;
        var kilometers = Math.floor(meters/1000);
        meters = Math.round((meters - kilometers * 1000) / 100);
        if (meters == 10) {
            kilometers++;
            meters = 0;
        }
        
        form.nextSibling.nextSibling.innerHTML = "Entfernung: " + kilometers + "," + meters + " km";
        
        var route = directions.getRoute(0);
        form.nextSibling.nextSibling.innerHTML += '<br /><a href="http://maps.google.at/maps?saddr=' + route.getStep(0).getLatLng().toUrlValue() + '&daddr=' + route.getEndLatLng().toUrlValue() + routeType + '" target="_blank">Details ansehen</a>';
    });
    GEvent.addListener(directions, "error", function() {
        form.nextSibling.nextSibling.innerHTML = '<span class="orange"><strong>Die von Ihnen angegebene Adresse konnte leider nicht gefunden werden. Bitte versuchen Sie es erneut!</strong></span>';
    });
    directions.load("from: " + saddr + " to: " + daddr);
    document.getElementById("results").style.display = "block";
}