var map;
var marker;
var map_init = false;

var base_url = "/";
//var default_icon_img = base_url + "static/image/icon-buy2.gif";
var baseIcon = new google.maps.Icon();
baseIcon.image = default_icon_img;
baseIcon.iconSize = new google.maps.Size(40, 70);
baseIcon.iconAnchor = new google.maps.Point(20, 50);


function initialize() {
	if(GBrowserIsCompatible()) {
		map = new GMap2(document.getElementById("map"));
		map.addControl(new google.maps.LargeMapControl());
		map.addControl(new google.maps.ScaleControl());
		var point = new google.maps.LatLng(default_lat, default_lng);

		map.setCenter(point, parseInt(default_zoom));

		marker = createMarker(point);
		map.addOverlay(marker);

		map_init = true;
	}
}


function createMarker(point)
{
	var marker = new google.maps.Marker(point, {icon: baseIcon, clickable: false});

	return marker;
}

$.fn.infiniteCarousel = function () {

    function repeat(str, num) {
        return new Array( num + 1 ).join( str );
    }
  
    return this.each(function () {
        var $wrapper = $('> div', this).css('overflow', 'hidden'),
            $slider = $wrapper.find('> ul'),
            $items = $slider.find('> li'),
            $single = $items.filter(':first'),
            
            singleWidth = $single.outerWidth(), 
            visible = Math.ceil($wrapper.innerWidth() / singleWidth), // note: doesn't include padding or border
//            visible = 6,
            currentPage = 1,
            pages = Math.ceil($items.length / visible);            


        // 1. Pad so that 'visible' number will always be seen, otherwise create empty items
        if (($items.length % visible) != 0) {
            $slider.append(repeat('<li class="empty" />', visible - ($items.length % visible)));
            $items = $slider.find('> li');
        }

        // 2. Top and tail the list with 'visible' number of items, top has the last section, and tail has the first
        $items.filter(':first').before($items.slice(- visible).clone().addClass('cloned'));
        $items.filter(':last').after($items.slice(0, visible).clone().addClass('cloned'));
        $items = $slider.find('> li'); // reselect
        
        // 3. Set the left position to the first 'real' item
        $wrapper.scrollLeft(singleWidth * visible);
        
        // 4. paging function
        function gotoPage(page) {
            var dir = page < currentPage ? -1 : 1,
                n = Math.abs(currentPage - page),
                left = singleWidth * dir * visible * n;
            
            $wrapper.filter(':not(:animated)').animate({
                scrollLeft : '+=' + left
            }, 500, function () {
                if (page == 0) {
                    $wrapper.scrollLeft(singleWidth * visible * pages);
                    page = pages;
                } else if (page > pages) {
                    $wrapper.scrollLeft(singleWidth * visible);
                    // reset back to start position
                    page = 1;
                } 

                currentPage = page;
            });                
            
            return false;
        }
        
        $wrapper.after('<a class="arrow back">&lt;</a><a class="arrow forward">&gt;</a>');
        
        // 5. Bind to the forward and back buttons
        $('a.back', this).click(function () {
            return gotoPage(currentPage - 1);
        });
        
        $('a.forward', this).click(function () {
            return gotoPage(currentPage + 1);
        });
        
        // create a public interface to move to a specific page
        $(this).bind('goto', function (event, page) {
            gotoPage(page);
        });
    });  
};

$(function() {
	$('.infiniteCarousel').infiniteCarousel();

	$('.infiniteCarousel li a').click(function(){
		var tmp = $(this).attr('href');
		$('#estate_img img').attr('src', tmp);
		return false;
	});


	$("#info_hdl").after('<div id="map_hdl" class="area"><span>���Ӓn�}</span></div>');

	$("#info_hdl").click(function() {
		$("#info_area").show();
		$("#map_area").hide();
		$("#reform_area").hide();

		$("#info_hdl span").addClass('current');
		$("#map_hdl span").removeClass('current');
		$("#reform_hdl span a").removeClass('current');

	});

	$("#map_hdl").click(function() {
		$("#info_area").hide();
		$("#map_area").show();
		$("#reform_area").hide();

		$("#info_hdl span").removeClass('current');
		$("#map_hdl span").addClass('current');
		$("#reform_hdl span a").removeClass('current');

		if(map_init == false) {
			initialize();
		}
	});

	$("#reform_hdl").click(function() {
		$("#info_area").hide();
		$("#map_area").hide();
		$("#reform_area").show();

		$("#info_hdl span").removeClass('current');
		$("#map_hdl span").removeClass('current');
		$("#reform_hdl span a").addClass('current');

		return false;
	});


	initialize();

});