// Denne fil er beskyttet efter gældende dansk lovgivning og må ikke kopieres uden tilladelse//

 if (GBrowserIsCompatible()) {
 
      var bakker = new GMapType([G_PHYSICAL_MAP.getTileLayers()[0]],       new GMercatorProjection(32), "Bakker  Bjerge ", {shortname:"Bak"} );
      var bikelog = new GMapType([G_NORMAL_MAP.getTileLayers()[0]],       new GMercatorProjection(32), "BikeLog.dk Kort", {shortname:"Bikelog"} );
      var allMapTypes = [bikelog,G_SATELLITE_MAP, G_HYBRID_MAP, bakker];
      var map = new GMap2(document.getElementById("map"),{mapTypes:allMapTypes,draggableCursor:"crosshair"});
 
      //var map = new GMap2(document.getElementById("map"),{draggableCursor:"crosshair"});
      map.setCenter(new GLatLng(56.1, 10.7), 7,G_NORMAL_MAP); 
      map.addControl(new GLargeMapControl());
      map.addControl(new GMapTypeControl());
      map.addControl(new GScaleControl());
      map.enableScrollWheelZoom();
      map.enableContinuousZoom();
      map.enableDoubleClickZoom();      
      var ovcontrol = new GOverviewMapControl(new GSize(160,160));
      map.addControl(ovcontrol);    
      var dirn1 = new GDirections();
      var dirn2 = new GDirections();
      var dirn3 = new GDirections();
      var firstpoint = true;
      var gmarkers = [];
      var gpolys = [];
      var lastindex = 0;
      var coordinates = new Array();
      var coordinatesmhmtr = new Array();
      var altitudeshjh = new Array();
      var pointsaltitude = new Array();
      var hmtr = 0; 
      var hmtrsidste = 0;
      var points = new Array();
      var gdir;
      var forskel;
      var dist;
      var teller = 0;
      var geocoder = null;
      var panel=document.getElementById("directions");
      var geocoder = null;
      geocoder = new GClientGeocoder();
      var hjhlatlong = new Array();     
    

      GEvent.addListener(map, "click", function(overlay,point) {    
        if (point) {
          if (firstpoint) {
            dirn1.loadFromWaypoints([point.toUrlValue(6),point.toUrlValue(6)],{getPolyline:true});
            points[ points.length ] = point;
	    } else {
            dirn1.loadFromWaypoints([gmarkers[gmarkers.length-1].getPoint(),point.toUrlValue(6)],{getPolyline:true});
            points[ points.length ] = point;
	  }
        }
        //GLog.write(point); // her får du alle punkter der klikkes på //
        map.panTo(point);
      });

function showAddress(address) { 
      if (geocoder) { 
        geocoder.getLatLng( 
          address, 
          function(point) { 
            if (!point) { 
              alert(address + " not found"); 
            } else { 
              map.setCenter(point, 13); 
            } 
          } 
        ); 
      } 
    } 

     
function loadpanel() {
   if (gmarkers.length > 25 ){
         alert( 'Du har tegnet for mange markører max 25 for at få kørevejledning.' );
     } else {

   gdir = new GDirections(null,document.getElementById("directions"));
   gdir.clear();
   document.getElementById("directions").innerHTML =' ';
   GEvent.addListener(gdir, "load", onGDirectionsLoad);
   GEvent.addListener(gdir, "error", handleErrors);
   
   hjhlatlong.length = 0;
   for (var i=0; i<gmarkers.length; i++) {
     hjhlatlong[i] = gmarkers[i].getPoint();
   }
   gdir.loadFromWaypoints(hjhlatlong); 
} 
}

function close_popup(sID) {
    if(document.layers) //NN4+
    {
       document.layers[sID].visibility = "hide";
    }
    else if(document.getElementById) //gecko(NN6) + IE 5+
    {
        var obj = document.getElementById(sID);
        obj.style.visibility = "hidden";
    }
    else if(document.all) // IE 4
    {
        document.all[sID].style.visibility = "hidden";
    }
}



function show_popup(sID) {
    if(sID!="form-box")  close_popup("form-box");
   
    if(document.layers) //NN4+
    {
       document.layers[sID].visibility = "show";
    }
    else if(document.getElementById)  //gecko(NN6) + IE 5+
    {
        var obj = document.getElementById(sID);
        obj.style.visibility = "visible";
    }
    else if(document.all) // IE 4
    {
        document.all[sID].style.visibility = "visible";
    }
}

function convertRouteXML(arr) {
    var xmlData;
    xmlData = "zz";
   //hjh
    for(var i=0; i<coordinates.length; i++){
   //hjh     
        xmlData += ""+coordinates[i][0].toFixed(6)+","+coordinates[i][1].toFixed(6)+"zz";
      //  xmlData += ""+coordinatesmhmtr[i][0]+","+coordinatesmhmtr[i][1]+","+coordinatesmhmtr[i][2]+"zz";
    }
    xmlData += "";
    return xmlData;
}

   
function visform(){
if (gpolys.length < 1 ){
         alert( 'Du har ikke tegnet en rute.' );
     } else {
 updateGraph();
document.getElementById("distance").innerHTML = ((dist/1000).toFixed(2));
 //hmtrform.value = hmtr;
 
show_popup("form-box");
}
}


var xmlHttp

function gemdata()
{
   
    xmlHttp=GetXmlHttpObject();
    if (xmlHttp==null)
      {
      alert ("Din browser virker ikke med AJAX!");
      return;
      } 
    var url="rutever3.php";
    url=url+"";

    //Send the proper header infomation along with the request
    var visx = "offentlig";   
    if (document.getElementById("vis1_ID").checked){visx = "privat";};
    if (document.getElementById('sted_ID').value == 'Udefineret') {visx = "privat";};
   //hjh
    var params = convertRouteXML(coordinates);
    
    params = "rutedata=" + params.toString();
    params = "overskrift=" + escape(document.getElementById('overskrift_ID').value) + "&" + params.toString();
    params = "beskrivelse=" + escape(document.getElementById('beskrivelse_ID').value) + "&" + params.toString();
    params = "user_idlimit=" + document.getElementById('user_idlimit_ID').value + "&" + params.toString();
    params = "km=" + (dist/1000).toFixed(2) + "&" + params.toString();
    params = "hmtr=" + hmtr + "&" + params.toString();
    params = "vis=" + visx + "&" + params.toString();
    params = "sted=" + escape(document.getElementById('sted_ID').value) + "&" + params.toString();
    params = "start=" + coordinates[0][0].toFixed(6)+","+coordinates[0][1].toFixed(6) + "&" + params.toString();
    
    //var params = "action=save&" + params.toString();

    xmlHttp.onreadystatechange = function(){ stateChanged("reportUrl"); };
    xmlHttp.open("POST",url,true);

    xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded;charset=iso-8859-1;'");
    xmlHttp.setRequestHeader("Content-length", params.length);
    xmlHttp.setRequestHeader("Connection", "close");
   
    xmlHttp.send(params);
} 

function check_for_escape(e, sPopupID){
    if (e.keyCode==27) {
        close_popup(sPopupID);
    }
}


function stateChanged(action) 
{ 
    if (xmlHttp.readyState==4)
    {         
        if (xmlHttp.status == 200) {
            alert(xmlHttp.responseText);
        }
        else
        {    
            alert("xmlHttp.status : "+xmlHttp.status);
        }
    }
}

function GetXmlHttpObject()
{
  var xmlHttp=null;
  try
    {
    // Firefox, Opera 8.0+, Safari
    xmlHttp=new XMLHttpRequest();
    }
  catch (e)
    {
    // Internet Explorer
    try
      {
      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
      }
    catch (e)
      {
      xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
      }
    }
  return xmlHttp;
}  


function badresult() {
  //alert("kan ikke ");
}

function handleErrors(){
    if (gdir.getStatus().code == G_GEO_UNKNOWN_ADDRESS)
      alert("No corresponding geographic location could be found for one of the specified addresses. This may be due to the fact that the address is relatively new, or it may be incorrect.\nError code: " + gdir.getStatus().code);
    else if (gdir.getStatus().code == G_GEO_SERVER_ERROR)
      alert("A geocoding or directions request could not be successfully processed, yet the exact reason for the failure is not known.\n Error code: " + gdir.getStatus().code);
    
    else if (gdir.getStatus().code == G_GEO_MISSING_QUERY)
      alert("The HTTP q parameter was either missing or had no value. For geocoder requests, this means that an empty address was specified as input. For directions requests, this means that no query was specified in the input.\n Error code: " + gdir.getStatus().code);
 
 //   else if (gdir.getStatus().code == G_UNAVAILABLE_ADDRESS)  <--- Doc bug... this is either not defined, or Doc is wrong
 //     alert("The geocode for the given address or the route for the given directions query cannot be returned due to legal or contractual reasons.\n Error code: " + gdir.getStatus().code);
      
    else if (gdir.getStatus().code == G_GEO_BAD_KEY)
      alert("The given key is either invalid or does not match the domain for which it was given. \n Error code: " + gdir.getStatus().code);
 
    else if (gdir.getStatus().code == G_GEO_BAD_REQUEST)
      alert("A directions request could not be successfully parsed.\n Error code: " + gdir.getStatus().code);
     
    else alert("An unknown error occurred.");
    
}

function onGDirectionsLoad(){ 
}


      
function updateGraph(){
if (gpolys.length < 1 ){
         alert( 'Du har ikke tegnet en rute.' );
     } else {

      //document.getElementById("documentation").innerHTML +="<b>"+'Latitude' + '.....:.' + 'Longtitude' + '.:..' + 'Højde' +'.:..' + 'Højdemeter' +"</b><br>";
      coordinates.lenght = 0;
      pointsaltitude.lenght = 0;
      calculateDistance();
      if (gpolys.length < 1 )
         alert( 'Du har ikke tegnet en rute.' );
      else
         for (var i=0; i<gpolys.length; i++) {
           var antal = gpolys[i].getVertexCount();
         
           var presis = 50;
           if ( antal>50){presis = 250}
           for (var ii=0; ii<antal; ii++) {
              var point = gpolys[i].getVertex(ii);
              if (ii==0){var lastpoint = point}
              if( point.distanceFrom(lastpoint) > presis){ 
              
                  pointsaltitude[ pointsaltitude.length ] = [ point.lat(), point.lng(), beregn, point ];
                  if (pointsaltitude.length > 275){
                     topoGetAltitudes( pointsaltitude );
                     pointsaltitude.length=0;
                  }
                  lastpoint = point;    
              }
              coordinates[ coordinates.length ] = [ point.lat(), point.lng() ];
              //points[ points.length ] = point;
              
          }
        } 
         topoDrawGraph( document.getElementById("graph"), coordinates, 750, 600 );
         topoGetAltitudes( pointsaltitude );
         loadpanel();
}
}
function beregn(altituderetur, point) {
    var udlat = point.lat().toFixed(6);
    var udlng = point.lng().toFixed(6);
    if (teller > 0){
       forskel = altituderetur-hmtrsidste;
       if (forskel > 0){hmtr = hmtr + forskel;}  
    }  
   hmtrsidste = altituderetur;  
   teller = teller +1 ;    
   document.getElementById("hoejde").innerHTML = hmtr + " højdemeter ";
   //document.getElementById("hoejde").innerHTML=hmtr;
   //document.getElementById("documentation").innerHTML += udlat + '  :  ' + udlng + '     :  ' +altituderetur +'  :  ' + hmtr +"<br>";
   coordinatesmhmtr[coordinatesmhmtr.length]= [udlat,udlng,altituderetur];     
}
      
function undoPoint() {
             if (gmarkers.length>1){
		map.removeOverlay(gmarkers[gmarkers.length-1]);
		map.removeOverlay(gpolys[gpolys.length-1]);
		gpolys.pop();
	        gmarkers.pop();
	        
	        calculateDistance();
	     }else{
	          // map.removeOverlay(gpolys[gpolys.length-1]);

         alert( 'Du har ikke tegnet en rute.' );


	     } 
	      
}

function calculateDistance() {
   document.getElementById("directions").innerHTML =' '; 
   document.getElementById("graph").innerHTML =' ';  
   document.getElementById("documentation").innerHTML =' '; 
   coordinates.length = 0;
   pointsaltitude.length = 0;
   hmtr = 0;
   hmtrsidste =0;
   teller = 0;
   document.getElementById("hoejde").innerHTML = "Tryk beregn højdemeter ";
   dist = 0;
    for (var i=0; i<gpolys.length; i++) {
        dist+=gpolys[i].Distance();
    }
   document.getElementById("distance").innerHTML=(dist/1000).toFixed(2)+" km. ";
}
 
      
      GEvent.addListener(dirn1,"load", function() {
        
        var n = dirn1.getPolyline().getVertexCount();
        //alert(n);
        var p=dirn1.getPolyline().getVertex(n-1);
        var marker=new GMarker(p,{title:"Du kan trække denne markør til et andet punkt",draggable:true});
        
     
        GEvent.addListener(marker, "dragend", function() {
                           lastIndex = marker.MyIndex;
                           var point = marker.getPoint();
                           if (lastIndex>0) {
                               dirn2.loadFromWaypoints([gmarkers[lastIndex-1].getPoint(),point.toUrlValue(6)],{getPolyline:true});
                               }
                           if (lastIndex<gmarkers.length-1) {
                               dirn3.loadFromWaypoints([point.toUrlValue(6),gmarkers[lastIndex+1].getPoint()],{getPolyline:true});
                               }
        });
 
        map.addOverlay(marker);
        marker.MyIndex=gmarkers.length;
        gmarkers.push(marker);
        
        if (!firstpoint) {
          map.addOverlay(dirn1.getPolyline());
          gpolys.push(dirn1.getPolyline());
          calculateDistance();
        }

        firstpoint = false;
        //if (gmarkers.length>1 && gmarkers.length<26) {
        //  document.getElementById("link").style.display="";
        //} else {
        //  document.getElementById("link").style.display="none";
        //}
       
      });
      
      GEvent.addListener(dirn2,"load", function() {
        var n = dirn2.getPolyline().getVertexCount();
        var p=dirn2.getPolyline().getVertex(n-1);
        gmarkers[lastIndex].setPoint(p);
        map.removeOverlay(gpolys[lastIndex-1]);
        map.addOverlay(dirn2.getPolyline());
        gpolys[lastIndex-1] = (dirn2.getPolyline());
        calculateDistance();
      });

      
      GEvent.addListener(dirn3,"load", function() {
        var p=dirn3.getPolyline().getVertex(0);
        gmarkers[lastIndex].setPoint(p);
        map.removeOverlay(gpolys[lastIndex]);
        map.addOverlay(dirn3.getPolyline());
        gpolys[lastIndex] = (dirn3.getPolyline());
        calculateDistance();
      });

      GEvent.addListener(dirn1,"error", function() {
      GLog.write("Failed: "+dirn1.getStatus().code);
      });
      GEvent.addListener(dirn2,"error", function() {
      GLog.write("Failed: "+dirn2.getStatus().code);
      });
      GEvent.addListener(dirn3,"error", function() {
      GLog.write("Failed: "+dirn3.getStatus().code);
  
      });

      function linkToGoogle() {
if (gpolys.length < 1 ){
         alert( 'Du har ikke tegnet en rute.' );
     } else {


        var url="http://maps.google.com?q=from:+Start@" + gmarkers[0].getPoint().toUrlValue(5);
        for (var i=1; i<gmarkers.length-1; i++) {
          url+="+to:+"+gmarkers[i].getPoint().toUrlValue(5)
        }
        url+="+to:+End@"+gmarkers[gmarkers.length-1].getPoint().toUrlValue(5);
        window.location = url;
      }
}




    }
    else {
      alert("Sorry, the Google Maps API is not compatible with this browser");
    }