//var map = false;
//var info;
//var markers;
//var i = 0;
//var timeout = 1;
//var lMessage;

//var baseIcon = new GIcon();
//baseIcon.image = "http://boulter.com/gps/maps/traditional.gif";
//baseIcon.shadow = "";
//baseIcon.iconSize = new GSize(16, 16);
//baseIcon.shadowSize = new GSize(1, 1);
//baseIcon.iconAnchor = new GPoint(8, 16);
//baseIcon.infoWindowAnchor = new GPoint(7, 1);

function mapOne() {

//  alert("we have " + markers.length + " markers " + i);

  if ( i < markers.length )
  {
//    alert("adding marker");

    var max = Math.min(i + 20, markers.length);
    
    while (i < max) {

      var point = new GPoint(parseFloat(markers[i].getAttribute("lng")),
                             parseFloat(markers[i].getAttribute("lat")));

      var html = markers[i].getAttribute("txt");
      var icon = markers[i].getAttribute("icon");


      marker = createMarker(point, html, icon);
      map.addOverlay(marker);

//      alert("adding marker");

      i++;
    }
    if (lMessage) 
    { 
//	lMessage.innerHTML="<p>Loading " + i + " of " + markers.length + "</p>";
    }
    window.setTimeout(mapOne,timeout);
  }
  if ( i >= markers.length )
  {
//    document.getElementById('loading').style.visibility='hidden';       
  }
}

var _zoomLevels = new Array
(
0.006909370422363281,
0.013818740844726562,
0.027637481689453125,
0.05527496337890625,
0.1105499267578125,
0.221099853515625,
0.44219970703125,
0.8843994140625,
1.768798828125,
3.53759765625,
7.0751953125,
14.150390625,
28.30078125,
56.6015625,
113.203125,
226.40625,
452.8125,
905.625
);

function calculateZoomLevel(spanLng, spanLat)
{
    var level = _zoomLevels.length-1;
    var found = false;
    var index = 0;

    // Get largest value
    var compareTo = spanLng;
    if (spanLat>spanLng) compareTo = spanLat;

    while (!found && index<_zoomLevels.length)
    {
        if (_zoomLevels[index]>compareTo)
        {
            level = index;
            found = true;
        }
        index++;
    }

    return level

}

function loadCoords(url, type)
{
    if (url == "")
	return;

    i = 0;
    var request = GXmlHttp.create();
    request.open("GET", 'gmapxml.php?type=' + type + '&url=' + escape(url), true);

//alert("getting gmapxml.php?url=" + escape(url));

request.onreadystatechange = function() {
  if (request.readyState == 4) {
    var xmlDoc = request.responseXML;

    var centers = xmlDoc.documentElement.getElementsByTagName("center");
//    alert("centers " + centers[0].getAttribute("lng") + ", " + centers[0].getAttribute("lat"));

    var spans = xmlDoc.documentElement.getElementsByTagName("span");

    var zoom = 17 - calculateZoomLevel(parseFloat(spans[0].getAttribute("lng")), parseFloat(spans[0].getAttribute("lat")));

    document.getElementById('map').style.width = '100%';       
    document.getElementById('map').style.height = 500;       
    map = new GMap2(document.getElementById("map"));
    map.addControl(new GLargeMapControl());
    map.addControl(new GMapTypeControl());
    new GKeyboardHandler(map);
    map.setCenter(new GLatLng(parseFloat(centers[0].getAttribute("lat")), parseFloat(centers[0].getAttribute("lng"))), zoom);

// zoom is 0-17

//  lMessage = document.getElementById('lMessage');
//    alert("zoom level 100");

//    alert("finding markers");

    markers = xmlDoc.documentElement.getElementsByTagName("marker");

    window.setTimeout(mapOne, timeout)
    }
  }
request.send(null);
}

function createMarker(point, html, icon)
{
	var marker;

	if (icon == "generic")
	{
	  marker = new GMarker(point);
	}
	else
	{
	  baseIcon.image = icon;
	  marker = new GMarker(point, baseIcon);
	}

  GEvent.addListener(marker, "click", function() {
    marker.openInfoWindowHtml(html);
  });

  return marker;
}

function showCenter()
{
  var center = map.getCenterLatLng();
  var latLngStr = '(' + center.y + ', ' + center.x + ')';
  document.getElementById("centerCoords").innerHTML = latLngStr;
}

function showGMap(lat, lon)
{
    if (!map)
    {
      map = new GMap2(document.getElementById("map"));
      map.addControl(new GSmallMapControl());
      map.addControl(new GMapTypeControl());
//      new GKeyboardHandler(map); 
    }
    map.setCenter(new GLatLng(lat, lon), 13);
    var point = new GLatLng(lat, lon);
    var marker = new GMarker(point);
    map.addOverlay(marker);
//    showCenter();    
    GEvent.addListener(map, "click", function(overlay, point) {
    if (point) {
    var latLngStr = point.y + ' ' + point.x;
    document.getElementById("centerCoords").innerHTML = latLngStr;
  }
});

//function() { showCenter() });
}

function mapURL(mag)
{
address=document.getElementById("address").value ;
//alert(address);	

 var lat = coords.getLat().toDec();
 var lon = coords.getLong().toDec();
//alert("ok");
  if (lat > 0)
  {

 if (mag == null)
 {
   mag = ".070";
 }

//showGMap(lat, lon);

var address2=lat+", "+lon;
if (lat==""){showAddress(address);}else{showAddress(address2);}
 }

}