/*
Written and Copyright (c) 2008
MicroChip Technical Services LLC
Leon Salisbury
All Rights Reserved
Licenced to Jim Pieniozek
for exclusive use on
nmmlsx.com
*/

function initialize( _elementName ) {
	// load data
	GDownloadUrl( '../cgi-bin/snowtotal_data2.pl?element='+_elementName, processData );
};

function processData( _data, _responseCode ) {
	// parse data
	var data = eval( '(' + _data + ')' );
	var limits = data.limits;
	var snowtotal = data.snowtotal;

	// calculate display area
	var mi = new Object;
	mi.sw = new GLatLng( 41, -87 );
	mi.ne = new GLatLng( 46, -82 );
	mi.bounds = new GLatLngBounds( mi.sw, mi.ne );
	mi.center = mi.bounds.getCenter();
	var geo = new Object;
	geo.sw = new GLatLng( limits.min.lat, limits.min.lng );
	geo.ne = new GLatLng( limits.max.lat, limits.max.lng );
	geo.bounds = new GLatLngBounds( geo.sw, geo.ne );
	geo.center = geo.bounds.getCenter();

	

	// create map
	
	var defaultZoom = 5;
	map = new google.maps.Map2( document.getElementById( "map_canvas" ) );
	map.addControl( new google.maps.SmallMapControl() );
	map.enableScrollWheelZoom();
	map.setCenter(geo.center, defaultZoom);
	map.setZoom(map.getBoundsZoomLevel( geo.bounds ) );
       var geoXml = new GGeoXml("http://www.michiganidx.com/trails.kml");
         if (GBrowserIsCompatible()) {
               map.addOverlay(geoXml);}

	// create markers
	for ( var i=0; i<snowtotal.length; i++ ) {
		makeMarker( snowtotal[i] );
	};
};

function makeMarker( _site ) {
	var point = new GLatLng( _site.latitude, _site.longitude );
	var marker = new GMarker( point, makeIcon( _site ) );
	marker.site = _site;
	GEvent.addListener( marker, "click", function() { eventClick( marker ) });
	map.addOverlay( marker );
};

function makeIcon( _site ) {
	var size = 30; // icon pixel size
	var hsize = size/2;
	var icon = new GIcon();
	//icon.image = "http://www.michiganidx.com/idx/nmmls/residential/thumbnails/nmmls" + _site.mls + ".jpg"
	icon.image = "http://www.michiganidx.com/Snowflake.png"
	icon.shadow = "";
	icon.iconSize = new GSize( size, size );
	icon.shadowSize = new GSize( 0, 0 );
	icon.iconAnchor = new GPoint( hsize, hsize );
	icon.infoWindowAnchor = new GPoint( hsize, hsize );
	return icon;
};

function eventClick( _marker ) {
	var size = 200; // image pixel width
	map.closeInfoWindow();
	_marker.openInfoWindowHtml(
		"<div style=\"margin:0px; border:0px; padding:0px; font-family:Verdana, Arial, Helvetica, sans-serif; font-size:14px;\">"+
		"<strong>Location: "+_marker.site.name+"</strong><br>"+_marker.site.amount+" "+
		"inches"+" on the ground <br><br>"+
		"<a href=\"http://www.nmmlsx.com/idx/paulfairbairn/residential/propview.php?view="+_marker.site.zipcode+"\" target=\"_blank\">"+
		
		"</div>"
	);
};