(function($){var googleMapsJSRequested=false;var googleMapsJSLoaded=false;var googleMapsOnloadActions=[];window.googleMapsOnload=function(){googleMapsJSLoaded=true;for(var i=0;i<googleMapsOnloadActions.length;i++){googleMapsOnloadActions[i]();}}
var nextId=0;$.fn.polymap=function(descriptions,kmlUrl){var OVERLAY_TYPES={'sha':{url:'http://tbxpolymap.appspot.com/outline-maps/country-sha.kmz','short-name':'SHAs & UK countries','long-name':'English Strategic Health Authority regions, Scotland, Wales & Northern Ireland'},'country-sha':{url:'http://tbxpolymap.appspot.com/outline-maps/country-sha.kmz','short-name':'SHAs & UK countries','long-name':'English Strategic Health Authority regions, Scotland, Wales & Northern Ireland'},'pct':{url:'http://tbxpolymap.appspot.com/outline-maps/pct.kmz','short-name':'PCT or equivalent','long-name':'Primary Care Trust or equivalent'},'county':{url:'http://tbxpolymap.appspot.com/outline-maps/county.kmz','short-name':'LA: Upper tier','long-name':'Local Authority: Upper tier'},'district':{url:'http://tbxpolymap.appspot.com/outline-maps/district.kmz','short-name':'LA: Lower tier','long-name':'Local Authority: Lower tier'}}
var multilayer=$.isArray(descriptions);if(!multilayer){descriptions=[descriptions];}
var map;var mainDescription=descriptions[0];var container=this;var mapElem=$('<div></div>');container.append(mapElem);mapElem.css({'height':(mainDescription.height||400)+'px'});container.css({'width':(mainDescription.width||600)+'px'});var tabLinks=[];if(descriptions.length>1){var tabs=$('<div class="map-layer-tabs">Maps in this series: <ul></ul></div>');container.append(tabs);function addTabClick(link,index){link.click(function(){setKmlLayer(index,true);})}
for(var i=0;i<descriptions.length;i++){var a=$('<a href="javascript:void(0)"></a>').text(descriptions[i].tabTitle||("Layer "+i));addTabClick(a,i);var li=$('<li></li>').append(a);tabLinks[i]=a;tabs.find('ul').append(li);}}
var legend;var kmlLayers=[];var overlayInfo=[];function setKmlLayer(layerIndex,preserveViewport){var description=descriptions[layerIndex];legend.empty();if(description.legendTitle){var legendTitle=$('<h3></h3>').text(description.legendTitle);legend.append(legendTitle);}
var legendUl=$('<ul></ul>');legend.append(legendUl);for(var i=0;i<description.styles.length;i++){var style=description.styles[i];if(style.label){var legendItem=$('<li></li>').text(style.label);var swatch=$('<span></span>').css({'background-color':style.fillColour})
legendItem.prepend(swatch);legendUl.append(legendItem);}}
for(var i=0;i<tabLinks.length;i++){if(i==layerIndex){tabLinks[i].addClass('current');}else{tabLinks[i].removeClass('current');try{kmlLayers[i].setMap(null);}catch(e){}}}
kmlLayers[layerIndex].set('preserveViewport',preserveViewport);kmlLayers[layerIndex].setMap(map);for(var i=0;i<overlayInfo.length;i++){overlayInfo[i].checkbox.removeAttr('checked');try{overlayInfo[i].kml.setMap(null);}catch(e){}}}
function initialiseMap(){var latlng=new google.maps.LatLng(55,-5);var myOptions={zoom:5,center:latlng,mapTypeId:google.maps.MapTypeId.TERRAIN,streetViewControl:false,mapTypeControl:false};map=new google.maps.Map(mapElem.get(0),myOptions);var drawerBase=$('<div class="drawer-base"></div>');var drawer=$('<div class="drawer"><div class="handle"></div></div>');legend=$('<div class="legend"></div>');drawerBase.append(drawer);drawer.append(legend);map.controls[google.maps.ControlPosition.RIGHT_CENTER].push(drawerBase.get(0));drawer.find('.handle').toggle(function(){drawer.addClass('hidden').animate({'left':0});},function(){drawer.removeClass('hidden').animate({'left':'-166px'});})
for(var i=0;i<descriptions.length;i++){if(multilayer){var url=kmlUrl+'/'+i}else{var url=kmlUrl;}
kmlLayers[i]=new google.maps.KmlLayer(url+'?v=3',{'preserveViewport':true});}
if(mainDescription.overlays){var overlayOptions=$('<ul class="overlay-options"></ul>');drawer.append('<h4>Boundaries</h4>',overlayOptions);function addOverlay(overlayType){var overlay=OVERLAY_TYPES[overlayType];var kml=new google.maps.KmlLayer(overlay.url+'?v=4',{'preserveViewport':true,'suppressInfoWindows':true});var li=$('<li><input type="checkbox" /><label></label></li>');overlayOptions.append(li);var checkboxId='polymap-checkbox-'+(nextId++);function checkboxOnChange(){if($(this).is(':checked')){try{kml.setMap(map);}catch(e){};}else{try{kml.setMap(null);}catch(e){};}}
li.find('input').attr({'id':checkboxId}).change(checkboxOnChange).click(checkboxOnChange);li.find('label').text(overlay['short-name']).attr({'for':checkboxId,'title':overlay['long-name']});return{'kml':kml,'checkbox':li.find('input')};}
for(var i=0;i<mainDescription.overlays.length;i++){overlayInfo[i]=addOverlay(mainDescription.overlays[i]);}}
setKmlLayer(0,mainDescription.preserveViewport);}
if(googleMapsJSLoaded){initialiseMap();}else{googleMapsOnloadActions.push(initialiseMap);if(!googleMapsJSRequested){$.getScript("http://maps.google.com/maps/api/js?sensor=false&callback=googleMapsOnload");googleMapsJSRequested=true;}}}})(jQuery);