function showItems(num, place) {

   current_sidebar = "<ul>";

   var num = parseInt(num);

   var catset = 0;

   for(var i = 0; i < num && i + place < sidebar_htmls.length; i++) {

       var j = i + place;

       current_sidebar += sidebar_htmls[j];

   }

   sidebar_place = parseInt(place);

   prevplace = sidebar_place - num;

   nextplace = sidebar_place + num;

   current_sidebar += '<br />';

   if(place > 0) {

       current_sidebar += "<a href=\"javascript:showItems(sidebar_num, prevplace)\">Previous</a>\n";

   }

   if(nextplace < sidebar_htmls.length) {

       current_sidebar += "<a href=\"javascript:showItems(sidebar_num, nextplace)\">Next</a>\n";

   }

   current_sidebar += "</ul>\n";

   document.getElementById("google_maps_sidebar").innerHTML = current_sidebar;

}
function myclick(i,lng,lat) {

  try {

    map.closeInfoWindow();

    tooltipMouseout();

  } catch(err) {}

  map.setCenter(new GLatLng(lat,lng));

  if(!infoWindowsHtml[i]) {

     if(safariCompat == 1) {

          infoWindowsHtml[i] = infoHtml(infoWindows[i]);

     } else {

          infoWindowsHtml[i] = xsltProcess(infoWindows[i], xmlHttp.responseXML);

     }

  }

  markers[i].openInfoWindowHtml(infoWindowsHtml[i]);

 }
 function initTooltip(show) {

    if(show != 0) {

          tooltip = document.createElement("div");

	      map.getPane(G_MAP_FLOAT_PANE).appendChild(tooltip);

          tooltip.style.visibility="hidden";

    }

 }
 function tooltipMouseover(i) {

  if(tooltipShow != 0 ) showTooltip(markers[i])

 } 

 function tooltipMouseout() {

  if(tooltipShow != 0 ) tooltip.style.visibility="hidden";

 }
 function infoHtml(info) {

    var name = GXml.value(info.getElementsByTagName("name")[0]);

    var address = GXml.value(info.getElementsByTagName("address")[0]);

    var city = GXml.value(info.getElementsByTagName("city")[0]);

    var state = GXml.value(info.getElementsByTagName("state")[0]);

    var zipcode = GXml.value(info.getElementsByTagName("zipcode")[0]);

	var html = '<div class="infoWindow"><b>' + name + '</b><br />' + address + '<br />' + city + ', ' + state + ' ' + zipcode + '<br /><br /></div>';

    return html;

 }
function getCatName(singleCat,allCats, prevCat) {

    catName = "";

	for (var i = 0; i < allCats.length; i++) {

        var catId = allCats[i].getAttribute("id");

        if(catId == singleCat && (catId != prevCat || sidebar_htmls.length % sidebar_num == 0) && sidebar_showcat != 0) {

           catName = allCats[i].getAttribute("name");

           var catTitle = "<div class=\"sidebar_category\"><u>" + catName + "</u></div>"

           return catTitle;

           break;

        }

    }

    return catName;

 }
 function createMarker(info, i) {

    var localId = info.getAttribute("id");

    var localType = info.getAttribute("type");

    if(localType != 3 || cbRealname != 1) {
        var localName = GXml.value(info.getElementsByTagName("name")[0]);

    } else {

        var localName = info.getAttribute("username");

    }

    var localCatid = info.getAttribute("category");

    var localDrag = info.getAttribute("draggable");

    var localLat = info.getAttribute("lat");

    var localLng = info.getAttribute("lng");

    var localTitle = getCatName(localCatid,xmlCats,prevcat);

    sidebar_htmls.push(localTitle +'<li class="sidebar_marker"><a href="javascript:myclick('+i+',' + localLng + ',' + localLat +')" onmouseover="tooltipMouseover('+i+')" onmouseout="tooltipMouseout()">'+ localName + '</a></li>');

    var catIcon = parseInt(getCatIcon(localCatid));

    var point = new GLatLng(parseFloat(localLat),parseFloat(localLng));

    if(localDrag == 1) {

        var marker = new GMarker(point,{icon:baseIcon[catIcon], draggable: true});

    } else {

        var marker = new GMarker(point,{icon:baseIcon[catIcon]});

    }

    

    if(tooltipShow != 0 ) {

        marker.tooltip = '<div class="tooltip">'+localName+'</div>';

        GEvent.addListener(marker,"mouseover", function() {

            showTooltip(markers[i]);

        });        

        GEvent.addListener(marker,"mouseout", function() {

            tooltip.style.visibility="hidden"

        });

    }

    GEvent.addListener(marker, "click", function() {

       if(safariCompat == 1) {

            infoWindowsHtml[i] = infoHtml(info);

       } else {

            infoWindowsHtml[i] = xsltProcess(info, xmlHttp.responseXML);

       }

       marker.openInfoWindowHtml(infoWindowsHtml[i]);

    });

    map.addOverlay(marker);

    if(localDrag == 1) marker.enableDragging();

    prevcat = localCatid;

    return marker;

 }
 function showTooltip(marker) {

   	tooltip.innerHTML = marker.tooltip;

	var point=map.getCurrentMapType().getProjection().fromLatLngToPixel(map.fromDivPixelToLatLng(new GPoint(0,0),true),map.getZoom());

	var offset=map.getCurrentMapType().getProjection().fromLatLngToPixel(marker.getPoint(),map.getZoom());

	var anchor=marker.getIcon().iconAnchor;

	var width=marker.getIcon().iconSize.width;

	var height=tooltip.clientHeight;

	var pos = new GControlPosition(G_ANCHOR_TOP_LEFT, new GSize(offset.x - point.x - anchor.x + (1.2*width), offset.y - point.y -anchor.y)); 

	pos.apply(tooltip);

	tooltip.style.visibility="visible";
    var b = 75;

	var c = b / 100;

	if (tooltip)

	{

		if(typeof(tooltip.style.filter)=='string'){tooltip.style.filter='alpha(opacity:'+b+')';}

		if(typeof(tooltip.style.KHTMLOpacity)=='string'){tooltip.style.KHTMLOpacity=c;}

		if(typeof(tooltip.style.MozOpacity)=='string'){tooltip.style.MozOpacity=c;}

		if(typeof(tooltip.style.opacity)=='string'){tooltip.style.opacity=c;}

	}
 }
 function checkCat(catLookup,carray) {

    if(carray.length != 0) {

        for (i=0;i < carray.length;i++) {

            if(carray[i] == catLookup) {

                return true;

                break;

            }

        }

        return false;

    } else {

         return true;

    }

 }
 function checkPoint(pointLookup,pointArray) {

    if(pointArray.length != 0) {

		for (i=0;i < pointArray.length;i++) {

			if(pointArray[i] == pointLookup) {

				return true;

				break;

			}

		}

		return false;

    } else {

		return true;

	}

 }
 function getCatIcon(singleCat) {

    for(var i=0; i < xmlCats.length; i++) {

        var catId = xmlCats[i].getAttribute("id");

        if(catId == singleCat) {

            if(xmlCats[i].getAttribute("gicon")) {

                var gicon = xmlCats[i].getAttribute("gicon");

                return gicon;

                break;

            }

        }

    }

    return 0;

 }
 function positionOverview(x,y) {

     omap = document.getElementById("map_overview");

     var place=document.getElementById("overview_map_holder");

     omap.style.position = "relative";

     omap.style.left = "0px";

     omap.style.top = "0px";

     place.appendChild(omap);        
     omap.firstChild.style.border = "1px solid gray";



     omap.firstChild.firstChild.style.left="4px";

     omap.firstChild.firstChild.style.top="4px";

     omap.firstChild.firstChild.style.width="190px";

     omap.firstChild.firstChild.style.heigh="190px";

     

 }
function deg2rad(deg) {

  return deg / (180 / Math.PI);

}


function point_distance(a, b) {

  var r = 6378700;

  var lat1 = a.y;

  var lat2 = b.y;

  var lon1 = a.x;

  var lon2 = b.x;

  var dist = r * Math.acos(Math.sin(deg2rad(lat1)) * Math.sin(deg2rad(lat2)) + 

			   Math.cos(deg2rad(lat1)) * Math.cos(deg2rad(lat2)) * 

			   Math.cos(deg2rad(lon1 - lon2)));

  return dist;

}
function myclick2(i,lng,lat) {

	map.setCenter(new GLatLng(lat,lng));

    var html = xsltProcess(yahooInfo[i], xmlHttp.responseXML);

    ymarkers[i].openInfoWindowHtml(html);

}



  

 function createSearchMarker(point, info, i) {
    var letter = String.fromCharCode("A".charCodeAt(0) + i);

    var icon = new GIcon(baseIcon[0]);

    icon.image = "http://www.google.com/mapfiles/marker" + letter + ".png";

    var searchTitle = info.getElementsByTagName("Title")[0].firstChild.nodeValue;

    var searchLat = info.getElementsByTagName("Latitude")[0].firstChild.nodeValue;

    var searchLng = info.getElementsByTagName("Longitude")[0].firstChild.nodeValue;

    search_html += '<li><a href="javascript:myclick2('+i+','+searchLng+','+searchLat+')">'+searchTitle+'</a></li>';

    var marker = new GMarker(point, icon);

 

     GEvent.addListener(marker, "click", function() {

       var html = xsltProcess(info, xmlHttp.responseXML);

       marker.openInfoWindowHtml(html);

     });





  return marker;

  

 }



 function removeMarkers(markerArray) {

   for (var j = 0; j < markerArray.length; j++) {

       map.removeOverlay(markerArray[j]);

   }

 }



 function localSearch(searchForm) {

  removeMarkers(ymarkers);

  var query = searchForm.query.value;

  var lat = map.getCenter().lat();

  var lng = map.getCenter().lng();

  var url = 'modules/mod_google_maps_search.xml.php?query=' + query + '&clat=' + lat + '&clng=' + lng;


      var request = GXmlHttp.create();

	  request.open("GET", url, true);

	  request.onreadystatechange = function() {

  	   if (request.readyState == 4) {

              if (request.status != 200) {

                 alert("file not found");

                 return;

              }

    	   var xmlDoc = request.responseXML;

           if (!xmlDoc) {

              alert("Sorry there was an error with your search. Please try it again.");

           }

        yahooInfo = xmlDoc.getElementsByTagName("Result");

        search_html = "<ul>";

        search_html += "<div class=\"sidebar_category\"><u>Search Results</u></div>";

   		if (yahooInfo.length == 0) {

   		      search_html += "<li>No results</li>";

   		} else for (var j = 0; j < yahooInfo.length; j++) {

            var point = new GLatLng(parseFloat(yahooInfo[j].getElementsByTagName("Latitude")[0].firstChild.nodeValue),

                                    parseFloat(yahooInfo[j].getElementsByTagName("Longitude")[0].firstChild.nodeValue));

            ymarkers[j] = createSearchMarker(point,yahooInfo[j], j);

            map.addOverlay(ymarkers[j]);

    	}

        search_html += "</ul>";

        document.getElementById("google_maps_sidebar_search").innerHTML = search_html;

        }



      }

 request.send(null);

 }
 function createMarker2(info, i) {

    this.myclick3 = myclick3;

    this.info = info;

    this.i = i;

    this.id = info.getAttribute("id");

    this.type = info.getAttribute("type");

    if(this.type != 3 || cbRealname != 1) {

        this.name = GXml.value(info.getElementsByTagName("name")[0]);

    } else {

        this.name = info.getAttribute("username");

    }

    this.catid = info.getAttribute("category");

    this.drag = info.getAttribute("draggable");

    this.lat = info.getAttribute("lat");

    this.lng = info.getAttribute("lng");

    this.point = new GLatLng(parseFloat(this.lat),parseFloat(this.lng));

    if(this.drag == 1) {

        this.marker = new GMarker(this.point,{icon:baseIcon[this.icon], draggable: true});

    } else {

        this.marker = new GMarker(this.point,{icon:baseIcon[this.caticon]});

    }

    

    if(tooltipShow != 0 ) {

        this.marker.tooltip = '<div class="tooltip">'+localName+'</div>';

        GEvent.addListener(this.marker,"mouseover", function() {

            showTooltip(markers[i]);

        });        

        GEvent.addListener(this.marker,"mouseout", function() {

            tooltip.style.visibility="hidden"

        });

    }

    GEvent.addListener(this.marker, "click", function() {

       if(safariCompat == 1) {

            this.infowindowhtml = infoHtml(info);

       } else {

            this.infowindowhtml = xsltProcess(info, xmlHttp.responseXML);

       }

       this.marker.openInfoWindowHtml(this.infowindowhtml);

    });

    prevcat = this.catid;



 }
 createMarker2.prototype.getCatIcon2 = function () {

    for(var i=0; i < xmlCats.length; i++) {

        var curentCat = xmlCats[i].getAttribute("id");

        if(currentCat == this.catid) {

            if(xmlCats[i].getAttribute("gicon")) {

                this.caticon = parseInt(xmlCats[i].getAttribute("gicon"));

                break;

            }

        }

    }

    this.caticon = 0;

 }
function showItems2(num, place, markers) {

   current_sidebar = "<ul>";

   var num = parseInt(num);

   var catset = 0;

   for(var i=0; i < num && i + place < markers.length; i++) {

       var j = i + place;

       var sidebar_html_title = '';

       if(i == 0 || markers[j].catid != markers[j-1].catid) {

          sidebar_html_title = markers[j].catid;

       }

       var sidebar_html = sidebar_html_title + '<li class="sidebar_marker"><a href="javascript:newmarkers['+j+'].myclick3()" onmouseover="tooltipMouseover('+j+')" onmouseout="tooltipMouseout()">'+ markers[j].name + ' New Sidebar!</a></li>';

       current_sidebar += sidebar_html;

   }

   sidebar_place = parseInt(place);

   prevplace = sidebar_place - num;

   nextplace = sidebar_place + num;

   current_sidebar += '<br />';

   if(place > 0) {

       current_sidebar += "<a href=\"javascript:showItems2(sidebar_num, prevplace,newmarkers)\">Previous</a>\n";

   }

   if(nextplace < markers.length) {

       current_sidebar += "<a href=\"javascript:showItems2(sidebar_num, nextplace,newmarkers)\">Next</a>\n";

   }

   current_sidebar += "</ul>\n";

   document.getElementById("google_maps_sidebar").innerHTML = current_sidebar;

}
 function myclick3() {

  var marker = this.marker;

  try {

    map.closeInfoWindow();

    tooltipMouseout();

  } catch(err) {}

  this.infowindowhtml = xsltProcess(this.info, xmlHttp.responseXML);

  map.setCenter(this.point);

  marker.openInfoWindowHtml(this.infowindowhtml);

 }

 function getXml(url,catsToDisplay, markersToDisplay, useSidebar) {

    var request = GXmlHttp.create();

    request.open("GET", url, true);

    request.onreadystatechange = function() {

     if (request.readyState == 4) {

        try {

            var xmlDoc = request.responseXML;

        } catch(err) {

            var data = request.responseText;

            var xmlDoc = GXml.parse(data);

        }

        infoWindows = xmlDoc.getElementsByTagName("info");

        xmlCats = xmlDoc.getElementsByTagName("category");

        var catset = 0;

        for (var j = 0; j < infoWindows.length; j++) {

          // Grab variables about the type of marker.

          var pid = infoWindows[j].getAttribute("id");

          var ptype = infoWindows[j].getAttribute("type");

          var pcat = infoWindows[j].getAttribute("category");

          if(checkCat(pcat,catsToDisplay) && checkCat(pid, markersToDisplay)) {

            // Checking to see if the info is for a polyline or a marker

            if( ptype == 2 ) {

                // Code for a polyline

                // get any line attributes

                var misc = infoWindows[j].getElementsByTagName("misc");

                var color = misc[0].getAttribute("polycolor");

                var width  = parseFloat(misc[0].getAttribute("polywidth"));

                // read each point on that line

                var points = infoWindows[j].getElementsByTagName("point");

                var pts = [];

                for (var i = 0; i < points.length; i++) {

                    pts[i] = new GLatLng(parseFloat(points[i].getAttribute("lat")),

                                         parseFloat(points[i].getAttribute("lng")));

                }

                map.addOverlay(new GPolyline(pts,color,width));

              } else {


                markers[j] = createMarker(infoWindows[j],j);

                if(centerId == pid && autoOpen == 1) {

                    if(safariCompat == 1) {

                        var html = infoHtml(infoWindows[j]);

                    } else {

                        var html = xsltProcess(infoWindows[j], xmlHttp.responseXML);

                    }

                    markers[j].openInfoWindowHtml(html);

                }

              }

          }

        }


        if(useSidebar == 1) {

		    try {

			    showItems(sidebar_num,sidebar_place);

		    } catch(err){}

        }

     }

    }

  request.send(null);

 }

 

 function mapOptions(type, scale, zoom) {

   switch(type) {

	case 1:

		map.addControl(new GMapTypeControl());

		break;

	default:

		break;

   }

   switch(scale) {

	case 1:

		map.addControl(new GScaleControl());

		break;

	default:

		break;

   }


   switch(zoom) {

	case 1:

		map.addControl(new GLargeMapControl());

		break;

	case 2:

		map.addControl(new GSmallMapControl());

		break;

	case 3:

		map.addControl(new GSmallZoomControl());

		break;

	default:

		break;

   }



 }
 var APIkey = "";

 function getGoogleMapsVersion() {

	var i, a, b, c;

	var v = "unknown";



	if (document.getElementsByTagName)

		for(i=0; (a = document.getElementsByTagName("script")[i]); i++)

			if(a.getAttribute("src"))

			{

				b = a.getAttribute("src");

				c = b.indexOf("/mapfiles/maps");

				d = b.indexOf("http://maps.google.com/maps?file=api");

				e = b.indexOf("key=");

				if (c > 0)

					v = parseFloat(b.substring(c+14));

				if (d >= 0)

					if (e > 0)

						APIkey = b.substring(e+4);

			}

	return v;

 }
 function zoomOptions(continuous, doubleclick) {

    if(continuous == 1) {

        map.enableContinuousZoom();

    }

    if(doubleclick == 1) {

        map.enableDoubleClickZoom();

    }

 }

 function initOverview(show,width,height) {

       if(show != 0) {


             map.addControl(new GOverviewMapControl(new GSize(width,height)));

             if(show == 2) {

                  setTimeout("positionOverview(520,580)",1);

             } else if(show == 1) {

                  omap = document.getElementById("map_overview"); 

                  document.getElementById("map").appendChild(omap);

             }

       }

 }

 function KMLMarker(point, name, description) {

    this.base = GMarker;

    this.base(point);



    this.name = name;

    this.description = description;



    this.onClick = function() {

        this.openInfoWindowHtml("<h1>" + this.name + "</h1>" + this.description);

    }



    GEvent.bind(this, 'click', this, this.onClick);

 }

 function KMLNSResolver(prefix) {

    if(prefix == 'kml') return "http://earth.google.com/kml/2.0";

    return null;



 }

 function KMLFeed(map, url) {

    this.map = map;

    this.url = url;

    this.overlays = new Object();
    this.onMapChange = function() {
        url = this.url;
        bounds = map.getBoundsLatLng();
        if(url.indexOf("?") == -1) {

            url = url + "?BBOX=" + bounds.minX + "," + bounds.minY +

"," + bounds.maxX + "," + bounds.maxY;

        } else {

            url = url + "&BBOX=" + bounds.minX + "," + bounds.minY +

"," + bounds.maxX + "," + bounds.maxY;

        }

        request = GXmlHttp.create();

        request.open('GET', url, true);

        request.onreadystatechange = function() {
            if(request.readyState == 4) {

                for(var i in this.overlays) {

                    this.map.removeOverlay(this.overlays[i]);

                }

                this.overlays = new Object();
                var doc = request.responseXML;

                placemarks = doc.documentElement.getElementsByTagName("Placemark");

                for(var i = 0; i < placemarks.length; i++) {

                    var point = placemarks[i].getElementsByTagName("Point")[0];

                    var coords = point.getElementsByTagName("coordinates")[0].childNodes[0].nodeValue;

                    coords = coords.split(",");

                    var name = placemarks[i].getElementsByTagName("name")[0].childNodes[0].nodeValue;

                    var description = placemarks[i].getElementsByTagName("description")[0].childNodes[0].nodeValue;



                    var point = new GPoint(parseFloat(coords[0]),parseFloat(coords[1]));

                    var marker = new KMLMarker(point, name,description);

                    map.addOverlay(marker);

                }
                request = undefined;
            }

        }



        request.send(null);

    }
    this.onMapChange();
    GEvent.bind(map, 'moveend', this, this.onMapChange);

    GEvent.bind(map, 'zoom', this, this.onMapChange);
 }
 function KMLHandler(map) {

    this.map = map;

    this.feeds = [];



    this.addFeed = function(url) {

        //Add the feed to the feeds array

        this.feeds[url] = new KMLFeed(this.map, url);

    }
    this.removeFeed = function(url) {
        this.feeds[url].destroy();

        delete this.feeds[url];

    } 

 }
 function initMap() {
  if(GBrowserIsCompatible) {
   i = 0;
   map = new GMap2(document.getElementById("map"));
   mapOptions(showType,showScale,whichZoom);
   map.setCenter(new GLatLng(centerLat,centerLng),zoomLevel,whichType);
   zoomOptions(contZoom, doubleclickZoom);
   getXml(xmlUrl, catDisplay, pointsArray, sidebar_exists);
   initTooltip(tooltipShow);
   initOverview(overviewShow,overviewWidth,overviewHeight);

  } else {

    alert("Your browser is not compatible with the Google Maps API");

  }

 }