//<![CDATA[
var r1;
var desc = [];
var cm_map;
var cm_mapMarkers = [];
var cm_mapHTMLS = [];

// Create a base icon for all of our markers that specifies the
// shadow, icon dimensions, etc.
var cm_baseIcon = new GIcon();
cm_baseIcon.shadow = "http://www.google.com/mapfiles/shadow50.png";
cm_baseIcon.iconSize = new GSize(20, 34);
cm_baseIcon.shadowSize = new GSize(37, 34);
cm_baseIcon.iconAnchor = new GPoint(9, 34);
cm_baseIcon.infoWindowAnchor = new GPoint(9, 2);
cm_baseIcon.infoShadowAnchor = new GPoint(18, 25);

// Change these parameters to customize map
var param_titleColumn = "place";
var param_descriptionColumn = "description";
var param_linkColumn= "link";
var param_streetColumn= "street";
var param_cityColumn= "city";
var param_stateColumn= "state";
var param_zipColumn= "zip";
var param_phoneColumn="phone";
var param_imageColumn="image";
var param_latColumn = "latitude";
var param_lngColumn = "longitude";
var param_rankColumn = "rank";
var param_styleColumn = "style";
var param_styleOverColumn = "styleover";
var param_iconType = "Blue";
var param_iconOverType = "Red";
/** Icon Colors are Red, Orange, Yellow, Green, Blue, Purple, Grey **/
/**
 * Loads map and calls function to load in worksheet data.
 */
function cm_load() {  
  if (GBrowserIsCompatible()) {
    // create the map
    cm_map = new GMap2(document.getElementById("cm_map"));
    cm_map.addControl(new GLargeMapControl());
    cm_map.addControl(new GMapTypeControl());
    cm_map.setCenter(new GLatLng( 43.907787,-79.359741), 2);
    cm_getJSON();
  } else {
    alert("Sorry, the Google Maps API is not compatible with this browser");
  } 
}

/**
 * Function called when marker on the map is clicked.
 * Opens an info window (bubble) above the marker.
 * @param {Number} markerNum Number of marker in global array
 */
function cm_markerClicked(markerNum) {
  cm_mapMarkers[markerNum].openInfoWindowHtml(cm_mapHTMLS[markerNum]);
}

/**
 * Function that sorts 2 worksheet rows from JSON feed
 * based on their rank column. Only called if column is defined.
 * @param {rowA} Object Represents row in JSON feed
 * @param {rowB} Object Represents row in JSON feed
 * @return {Number} Difference between row values
 */
function cm_sortRows(rowA, rowB) {
  var rowAValue = parseFloat(rowA["gsx$" + param_rankColumn].$t);
  var rowBValue = parseFloat(rowB["gsx$" + param_rankColumn].$t);

  return rowAValue - rowBValue;
}

/** 
 * Called when JSON is loaded. Creates sidebar if param_sideBar is true.
 * Sorts rows if param_rankColumn is valid column. Iterates through worksheet rows, 
 * creating marker and sidebar entries for each row.
 * @param {JSON} json Worksheet feed
 */       
function cm_loadMapJSON(json) {
  var usingRank = false;

  if(param_useSidebar == true) {
    var sidebarTD = document.createElement("td");
    sidebarTD.setAttribute("width","150");
    sidebarTD.setAttribute("valign","top");
    var sidebarDIV = document.createElement("div");
    sidebarDIV.id = "cm_sidebarDIV";
    sidebarDIV.style.overflow = "auto";
    sidebarDIV.style.height = "450px";
    sidebarDIV.style.fontSize = "11px";
    sidebarDIV.style.color = "#000000";
    sidebarTD.appendChild(sidebarDIV);
    document.getElementById("cm_mapTR").appendChild(sidebarTD);
  }

  var bounds = new GLatLngBounds();	  

  if(json.feed.entry[0]["gsx$" + param_rankColumn]) {
    usingRank = true;
    json.feed.entry.sort(cm_sortRows);
  }

  for (var i = 0; i < json.feed.entry.length; i++) {
    var entry = json.feed.entry[i];
    if(entry["gsx$" + param_latColumn]) {
      var lat = parseFloat(entry["gsx$" + param_latColumn].$t);
      var lng = parseFloat(entry["gsx$" + param_lngColumn].$t);
      var point = new GLatLng(lat,lng);
	  var param_address;
	  if(entry["gsx$" + param_streetColumn]) {
        param_address=entry["gsx$"+param_streetColumn].$t;
			if(entry["gsx$" + param_cityColumn]) {
			 param_address+=', '+entry["gsx$"+param_cityColumn].$t;
			}
			if(entry["gsx$" + param_stateColumn]) {
			 param_address+=', '+entry["gsx$"+param_stateColumn].$t;
			}
 			if(entry["gsx$" + param_zipColumn]) {
			 param_address+=' '+entry["gsx$"+param_zipColumn].$t;
			}
     }
      var html = '<div id="map_info">';
      html += '<span class="map_title">'+ entry["gsx$"+param_titleColumn].$t+ "</span>";
      var label = entry["gsx$"+param_titleColumn].$t;
      var rank = 0;
      if(usingRank && entry["gsx$" + param_rankColumn]) {
        rank = parseInt(entry["gsx$"+param_rankColumn].$t);
		r1=rank;
      }
	  if(param_address){
        html += '<br/><span class="map_description">' + param_address+"</span>";
	  }
	   if(entry["gsx$" + param_phoneColumn]) {
        html += '<br/><span class="map_phone">' + entry["gsx$"+param_phoneColumn].$t+"</span>";
      }
	   if(entry["gsx$" + param_descriptionColumn].$t) {
        html += '<br/><a href="javascript:popWinDemo('+r1+')"><span class="map_description">More Information...</span></a>';
		desc[r1] = entry["gsx$"+param_descriptionColumn].$t;
      }
		 if(entry["gsx$" + param_imageColumn]) {
		   if (entry["gsx$"+param_imageColumn].$t != "")
        html += '<br/><div id="map_image"><a href="#"  onClick="MyWindow=window.open(\''+entry["gsx$"+param_imageColumn].$t+'\',\'MyWindow\',\'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,width=500,height=400,left=100,top=100\'); return false;"><img src="' + entry["gsx$"+param_imageColumn].$t+'"/></a></div>';
      }
 	   if(entry["gsx$" + param_linkColumn].$t) {
        html += '<br/><a href="'+entry["gsx$"+param_linkColumn].$t+'" target="_blank"><span class="map_link">Website</span></a>';
      }
     html += "</div>";
	   if(entry["gsx$" + param_styleColumn]) {
		   if (entry["gsx$"+param_styleColumn].$t !=""){
			param_iconType = entry["gsx$"+param_styleColumn].$t;
			param_iconOverType = entry["gsx$"+param_styleOverColumn].$t;
			} else {
			param_iconType = "blue";
			param_iconOverType = "red";
			}}

      // create the marker
      var marker = cm_createMarker(point,label,html,rank);
      cm_map.addOverlay(marker);
      cm_mapMarkers.push(marker);
      cm_mapHTMLS.push(html);
      bounds.extend(point);
	  
      if(param_useSidebar == true) {
        var markerA = document.createElement("a");
        markerA.setAttribute("href","javascript:cm_markerClicked('" + i +"')");
        markerA.style.color = "#000000";
        var sidebarText= "";
        if(usingRank) {
          sidebarText += rank + ") ";
        } 
        sidebarText += label;
        markerA.appendChild(document.createTextNode(sidebarText));
        sidebarDIV.appendChild(markerA);
        sidebarDIV.appendChild(document.createElement("br"));
        sidebarDIV.appendChild(document.createElement("br"));
      } 
    }
  }

  cm_map.setZoom(cm_map.getBoundsZoomLevel(bounds));
  cm_map.setCenter(bounds.getCenter());
}

/**
 * Creates marker with ranked Icon or blank icon,
 * depending if rank is defined. Assigns onclick function.
 * @param {GLatLng} point Point to create marker at
 * @param {String} title Tooltip title to display for marker
 * @param {String} html HTML to display in InfoWindow
 * @param {Number} rank Number rank of marker, used in creating icon
 * @return {GMarker} Marker created
 */
function cm_createMarker(point, title, html, rank) {
  var markerOpts = {};
  var nIcon = new GIcon(cm_baseIcon);

  if(rank > 0 && rank < 100) {
    nIcon.imageOut = "http://static.pressrepublican.com/maps/" +
        "icons/" + param_iconType + "/marker" + rank + ".png";
    nIcon.imageOver = "http://static.pressrepublican.com/maps/" +
        "icons/" + param_iconOverType + "/marker" + rank + ".png";
    nIcon.image = nIcon.imageOut; 
  } else { 
    nIcon.imageOut = "http://static.pressrepublican.com/maps/" +
        "icons/" + param_iconType + "/blank.png";
    nIcon.imageOver = "http://static.pressrepublican.com/maps/" +
        "icons/" + param_iconOverType + "/blank.png";
    nIcon.image = nIcon.imageOut;
  }

  markerOpts.icon = nIcon;
  markerOpts.title = title;		 
  var marker = new GMarker(point, markerOpts);
	
  GEvent.addListener(marker, "click", function() {
    marker.openInfoWindowHtml(html);
  });
  GEvent.addListener(marker, "mouseover", function() {
    marker.setImage(marker.getIcon().imageOver);
  });
  GEvent.addListener(marker, "mouseout", function() {
    marker.setImage(marker.getIcon().imageOut);
  });
  GEvent.addListener(marker, "infowindowopen", function() {
    marker.setImage(marker.getIcon().imageOver);
  });
  GEvent.addListener(marker, "infowindowclose", function() {
    marker.setImage(marker.getIcon().imageOut);
  });
  return marker;
}

/**
 * Creates a script tag in the page that loads in the 
 * JSON feed for the specified key/ID. 
 * Once loaded, it calls cm_loadMapJSON.
 */
function cm_getJSON() {

  // Retrieve the JSON feed.
  var script = document.createElement('script');

  script.setAttribute('src', 'http://spreadsheets.google.com/feeds/list'
                         + '/' + param_ssKey + '/' + param_wsId + '/public/values' +
                        '?alt=json-in-script&callback=cm_loadMapJSON');
  script.setAttribute('id', 'jsonScript');
  script.setAttribute('type', 'text/javascript');
  document.documentElement.firstChild.appendChild(script);
}

setTimeout('cm_load()', 500); 




// Copyright 1999 - 2002 by Ray Stott, Pop-up Windows Script ver 2.0
// OK to use if this copyright is included
// Script is available at http://www.crays.com/jsc          

var popWin = null    // use this when referring to pop-up window
var winCount = 0
var winName = "popWin"
function openPopWin(winURL, winWidth, winHeight, winFeatures, winLeft, winTop){
  var d_winLeft = 20  // default, pixels from screen left to window left
  var d_winTop = 20   // default, pixels from screen top to window top
  winName = "popWin" + winCount++ //unique name for each pop-up window
  closePopWin()           // close any previously opened pop-up window
  if (openPopWin.arguments.length >= 4)  // any additional features? 
    winFeatures = "," + winFeatures
  else 
    winFeatures = "" 
  if (openPopWin.arguments.length == 6)  // location specified
    winFeatures += getLocation(winWidth, winHeight, winLeft, winTop)
  else
    winFeatures += getLocation(winWidth, winHeight, d_winLeft, d_winTop)
  popWin = window.open(winURL, winName, "width=" + winWidth 
           + ",height=" + winHeight + winFeatures)
  }
function closePopWin(){    // close pop-up window if it is open 
  if (navigator.appName != "Microsoft Internet Explorer" 
      || parseInt(navigator.appVersion) >=4) //do not close if early IE
    if(popWin != null) if(!popWin.closed) popWin.close() 
  }
function getLocation(winWidth, winHeight, winLeft, winTop){
  return ""
  }
//-->
  // for Netscape 4+ and IE 4+
<!--
function getLocation(winWidth, winHeight, winLeft, winTop){
  var winLocation = ""
  if (winLeft < 0)
    winLeft = screen.width - winWidth + winLeft
  if (winTop < 0)
    winTop = screen.height - winHeight + winTop
  if (winTop == "cen")
    winTop = (screen.height - winHeight)/2 - 20
  if (winLeft == "cen")
    winLeft = (screen.width - winWidth)/2
  if (winLeft>0 & winTop>0)
    winLocation =  ",screenX=" + winLeft + ",left=" + winLeft	
                + ",screenY=" + winTop + ",top=" + winTop
  else
    winLocation = ""
  return winLocation
  }

function popWinDemo(r1){
  var htmlCode = 
    '<html>'
  + '<head>'
  + '<title>More Information</title>'
  + '</head>'
  + '<body>'
  + '<center>'
  + '<font face="Arial">' 
  + '<p><br/>'
  + desc[r1]
  +'</p>'
  + '</font>'
  + '</center>'
  + '</body>'
  + '</html>'
  
  openPopWin('', 350, 300);
  popWin.document.write(htmlCode);
  popWin.document.close();
//]]>
  }