var map; // GMap2 - the google map var details = new Array(); // Array - an array containing previous loaded data var comments = new Array(); // Array - an array containing previous loaded comments var highlight; // GMarker - a marker that overlays the currently selected marker var highlight_id = 0; // int - the ID of the current marker var acc = 0; // int - "anti-cache-counter", prevents caching of AJAX content // Icons used in this map var icon_suicide = makeIcon("red"); var icon_unknown = makeIcon("violet"); var icon_accident = makeIcon("blue"); var icon_highlight = makeIcon("yellow"); // int - default latitude/longitude/zoom var HOME_LAT = 47.24730; var HOME_LNG = -122.44400; var HOME_ZOOM = 10; // This function is triggered by function initialize() { // If the map couldn't be loaded, display an error message on the map and quit if (!GBrowserIsCompatible()) { generateMapErrorMessage('Your browser cannot display Google Maps.'); return; } // Initialize the map map = new GMap2(document.getElementById("map")); map.setCenter(new GLatLng(HOME_LAT, HOME_LNG), HOME_ZOOM); map.addControl(new GLargeMapControl()); map.addControl(new GScaleControl()); map.addControl(new GOverviewMapControl()); map.addControl(new GHierarchicalMapTypeControl()); // Add click behavior to map GEvent.addListener(map, "click", user_clickOnMap); // Ask server to send marker data GDownloadUrl("data/markers.txt", whenGivenMarkers); } // This function is triggered when the server responses to the client's request for markers function whenGivenMarkers(data, responseCode) { // To ensure against HTTP errors that result in null or bad data, // always check status code is equal to 200 before processing the data if (responseCode == 200) { // Split up the data var rows = data.split("\n"); // Read each row for (var i=0; i 1 && match[1] != '') { output += match[1]; x += match[1].length; } else { if (clearString[x] == ' ') output += '+'; else { var charCode = clearString.charCodeAt(x); var hexVal = charCode.toString(16); output += '%' + ( hexVal.length < 2 ? '0' : '' ) + hexVal.toUpperCase(); } x++; } } return output; } ////////////////////////////////////// // functions that create HTML code function format(heading, content) { return '

'+heading+' '+content+'

'+"\n"; } function format2(heading, content) { return '

'+heading+'
'+content+'

'+"\n"; } function generateMapErrorMessage(error) { var result = '

'; result += '

'; result += error; result += '

'; document.getElementById("map").innerHTML = result; }