var map;
var markers = new Object();

function fitMap()
{
	var bounds = new GLatLngBounds();
	for (var i in markers)
		bounds.extend(markers[i].getPoint());
	var zoomlev = Math.min(map.getBoundsZoomLevel(bounds), 12);
	map.setZoom(zoomlev);
	map.setCenter(bounds.getCenter());
	
	var distMarkX = Math.abs(bounds.getSouthWest().x - bounds.getNorthEast().x);
	var distMarkY = Math.abs(bounds.getSouthWest().y - bounds.getNorthEast().y);
	var distMapX = Math.abs(map.getBounds().getSouthWest().x - map.getBounds().getNorthEast().x);
	var distMapY = Math.abs(map.getBounds().getSouthWest().y - map.getBounds().getNorthEast().y);
	
	if (distMarkX/distMapX > 0.9 || distMarkY/distMapY > 0.9)
		map.setZoom(zoomlev - 1);
}

function toggleInfo(marker, id, title, text, price, img)
{
	var infoWin = map.getInfoWindow();
	var s = "<table><tr>";
	if (img)
	{
		s+= "<td align=center style='padding-right: 10px'><a class=textb2m target=_blank href=/ad.jsp?id=" + id + "><img border=0 width=100 height=75 src=/thumbs_rand/" + id + ".jpg></a>";
		if (price > 0)
			s += "<br><br><span class=textrl><b>$" + formatNumbers(price);
		s += "</td>";
	}
	s += "<td valign=top width=250><p class=textxl style='margin-bottom: 10px'><b>" + title + "</b></p>" + text;
	if (price > 0 && !img)
		s += "<br><br><span class=textrl><b>$" + formatNumbers(price);
	
	s += "<br><br><img src=http://www.anumex.com/img/arrow.gif><a class=textb2m target=_blank href=/ad.jsp?id=" + id + ">Ver anuncio</a></td></tr></table>";
	
	if (infoWin.isHidden() || !marker.getLatLng().equals(infoWin.getPoint()))
		marker.openInfoWindowHtml(s);
	else
		infoWin.hide();
}

function highlightIcon(id)
{
	var img = markers[id].getIcon().image;
	var img2 = img.substring(0, img.length - 4) + "2.png";
	markers[id].setImage(img2);
}

function normalizeIcon(id)
{
	markers[id].setImage(markers[id].getIcon().image);
}

function addMarker(icon, id, lat, lng, title, text, price, img)
{
	var gi = new GIcon(G_DEFAULT_ICON);
	gi.iconSize = new GSize(20,34);
	gi.image = "/img/markers/" + icon + ".png";
	var marker = new GMarker(new GLatLng(lat, lng), gi);
	map.addOverlay(marker);
	
	GEvent.addListener(marker, "click", function() {
		toggleInfo(marker, id, title, text, price, img);
	});
	
	markers[id] = marker;
}

function drawMap(lat, lng)
{
	var mapElem = document.getElementById("map");
	map = new GMap2(mapElem);
	map.enableDoubleClickZoom();
	map.addControl(new GLargeMapControl());
	map.addControl(new GMapTypeControl());
	map.setCenter(new GLatLng(lat, lng), 11);
}