we couldnt uncheck the box!! couldnt show the navigation too.
OUR HTML CODE
OUR XML FILECode:<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>Google Maps</title> <script src="http://maps.google.com/maps?file=api&v=2&key=ABQIAAAAPDUET0Qt7p2VcSk6JNU1sBRRwPhutbWBmyj82Go_H6JlE7EvFBSKFFFHFePAwvib9UM0geoA3Pgafw" type="text/javascript"></script> </head> <body onunload="GUnload()"> <!-- you can use tables or divs for the overall layout --> <table border=1> <tr> <td> <div id="map" style="width: 850px; height: 650px"></div> </td><td width = 150 valign="top" style="text-decoration: underline; color: #4444ff;"> <div id="side_bar"></div> </td> </tr> </table> Hong Kong Island: <input type="checkbox" id="hkislandbox" onclick="boxclick(this,'hkisland')" /> Kowloon: <input type="checkbox" id="kowloonbox" onclick="boxclick(this,'kowloon')" /> New Territories: <input type="checkbox" id="New Territoriesbox" onclick="boxclick(this,'new')" /><br> Outlying Islands: <input type="checkbox" id="outlyingbox" onclick="boxclick(this,'outlying')" /><br> <a href="categories.htm">Back to the tutorial page</a> <noscript><b>JavaScript must be enabled in order for you to use Google Maps.</b> However, it seems JavaScript is either disabled or not supported by your browser. To view Google Maps, enable JavaScript by changing your browser options, and then try again. </noscript> <script type="text/javascript"> //<![CDATA[ if (GBrowserIsCompatible()) { var gmarkers = []; var gicons = []; // arrays to hold variants of the info window html with get direction forms open var to_htmls = []; var from_htmls = []; gicons["Hong Kong Island"] = new GIcon(G_DEFAULT_ICON,"colour086.png"); gicons["Kowloon"] = new GIcon(G_DEFAULT_ICON,"colour108.png"); gicons["New Territories"] = new GIcon(G_DEFAULT_ICON,"colour125.png"); gicons["Outlying Islands"] = new GIcon(G_DEFAULT_ICON,"colour.png"); // A function to create the marker and set up the event window function createMarker(point,name,html,category) { var marker = new GMarker(point,gicons[category]); // === Store the category and name info as a marker properties === marker.mycategory = category; marker.myname = name; GEvent.addListener(marker, "click", function() { marker.openInfoWindowHtml(html); }); gmarkers.push(marker); return marker; } // == shows all markers of a particular category, and ensures the checkbox is checked == function show(category) { for (var i=0; i<gmarkers.length; i++) { if (gmarkers[i].mycategory == category) { gmarkers[i].show(); } } // == check the checkbox == document.getElementById(category+"box").checked = true; } // == hides all markers of a particular category, and ensures the checkbox is cleared == function hide(category) { for (var i=0; i<gmarkers.length; i++) { if (gmarkers[i].mycategory == category) { gmarkers[i].hide(); } } // == clear the checkbox == document.getElementById(category+"box").checked = false; // == close the info window, in case its open on a marker that we just hid map.closeInfoWindow(); } // == a checkbox has been clicked == function boxclick(box,category) { if (box.checked) { show(category); } else { hide(category); } // == rebuild the side bar makeSidebar(); } function myclick(i) { GEvent.trigger(gmarkers[i],"click"); } // == rebuilds the sidebar to match the markers currently displayed == function makeSidebar() { var html = ""; for (var i=0; i<gmarkers.length; i++) { if (!gmarkers[i].isHidden()) { html += '<a href="javascript:myclick(' + i + ')">' + gmarkers[i].myname + '</a><br>'; } } document.getElementById("side_bar").innerHTML = html; } // create the map var map = new GMap2(document.getElementById("map")); map.addControl(new GLargeMapControl()); map.addControl(new GMapTypeControl()); map.setCenter(new GLatLng(22.2883,114.0500), 11); // Read the data GDownloadUrl("marker categories.xml", function(doc) { var xmlDoc = GXml.parse(doc); var markers = xmlDoc.documentElement.getElementsByTagName("marker"); for (var i = 0; i < markers.length; i++) { // obtain the attribues of each marker var lat = parseFloat(markers[i].getAttribute("lat")); var lng = parseFloat(markers[i].getAttribute("lng")); var point = new GLatLng(lat,lng); var address = markers[i].getAttribute("address"); var name = markers[i].getAttribute("name"); var html = "<b>"+name+"</b><p>"+address; var category = markers[i].getAttribute("category"); // create the marker var marker = createMarker(point,name,html,category); map.addOverlay(marker); } // == show or hide the categories initially == show("Hong Kong Island"); hide("Kowloon"); hide("New Territories"); hide("Outlying Islands"); // == create the initial sidebar == makeSidebar(); }); } else { alert("Sorry, the Google Maps API is not compatible with this browser"); } // This Javascript is based on code provided by the // Blackpool Community Church Javascript Team // http://www.commchurch.freeserve.co.uk/ // http://econym.googlepages.com/index.htm //]]> </script> </body> </html>
Code:<markers> <marker lat="22.377485" lng="114.185259" html="www.yahoo.com<br>Hong Kong Heritage Museum" label="colour125" category="New Territories"/> <marker lat="22.373432" lng="114.184068" html="Some stuff to display in the<br>Che Kung Temple" label="colour125" category="New Territories"/> <marker lat="22.409666" lng="113.973748" html="Some stuff to display in the<br>Ching Chung Koon" label="colour125" category="New Territories"/> <marker lat="22.444592" lng="114.007353" html="Some stuff to display in the<br>Ping Shan Heritage" label="colour125" category="New Territories"/> <marker lat="22.468133" lng="114.004065" html="Some stuff to display in the<br>Hong Kong Wetland Park" label="colour125" category="New Territories"/> <marker lat="22.491890" lng="114.042347" html="Some stuff to display in the<br>Mai Po Wetlands" label="colour125" category="New Territories"/> <marker lat="22.499689" lng="114.076388" html="Some stuff to display in the<br>Tai Fu Tai" label="colour125" category="New Territories"/> <marker lat="22.372073" lng="114.120199" html="Some stuff to display in the<br>Sam Tung Uk Museum" label="colour125" category="New Territories"/> <marker lat="22.355871" lng="114.087911" html="Some stuff to display in the<br>Tsing Ma Bridge" label="colour125" category="New Territories"/> <marker lat="22.490721" lng="114.138486" html="Some stuff to display in the<br>Fung Ying Seen Koon" label="colour125" category="New Territories"/> <marker lat="22.501443" lng="114.147016" html="Some stuff to display in the<br>Lung Yeuk Tau Heritage Trail" label="colour125" category="New Territories"/> <marker lat="22.456267" lng="114.142971" html="Some stuff to display in the<br>Lam Tsuen Wishing Trees And Tin Hau Temple" label="colour125" category="New Territories"/> <marker lat="22.383650" lng="114.270880" html="Some stuff to display in the<br>Sai Kung Town/ Sai Kung Promenade" label="colour125" category="New Territories"/> </markers>
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