Google Maps Issue - Githubissues

Demo link or sample code:
<!DOCTYPE html "-//W3C//DTD XHTML 1.0 Strict//EN" 
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<%
Dim aiLat, aiLong
aiLat = "+40.728941+40.727909+40.7381935"
aiLong = "+-74.008147+-74.008648+-74.0091527"

%>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="content-type" content="text/html; charset=utf-8" />
    <title>MarkerWithLabel Example</title>
    <style type="text/css">
        .labels
        {
            color: red;           
            font-family: "Lucida Grande" , "Arial" , sans-serif;
            font-size: 12px;
            font-weight: bold;
            text-align: center;
            width: 40px;
            height: 30px;            
            white-space: nowrap;
        }
        .selectoption
        {
            width: 117px;
            height: 23px;
        }
    </style>
   <script type="text/javascript" src="http://maps.google.com/maps/api/js?v=3.3&sensor=true"></script>
    <script type="text/javascript" src="markerwithlabel_v2.js"></script>
    <script type="text/javascript">
        var lati = '<%=aiLat%>';
        var longi = '<%=aiLong%>';
        var map;
        function initMap() {

            laticenter = "40.725542";
            longicenter = "-73.996168";
            var latLng;

            latLng = new google.maps.LatLng(laticenter, longicenter);

            map = new google.maps.Map(document.getElementById('map_canvas'), {
                zoom: 12,
                center: latLng,
                mapTypeId: google.maps.MapTypeId.ROADMAP
            });

            for (var i = 0; i < 20; i++) {

                var arrlat = new Array();
                var arrlong = new Array();

                arrlat = lati.split("+");
                arrlong = longi.split("+");
                setupmap(arrlat[i], arrlong[i]);
            }
        }

        function setupmap(lats, long) {
            if ((lats != undefined) && (long != undefined)) {
                var marker = new MarkerWithLabel({
                    position: new google.maps.LatLng(lats, long),
                    map: map,
                    draggable: false,
                    title: 'fmhsbfjh',
                    icon: 'images/icon_rate.png',
                    labelText: 'manali',
                    labelClass: "labels", // the CSS class for the label
                    labelStyle: { opacity: 1 },
                    animation: google.maps.Animation.DROP
                });
            }
        }
    </script>
</head>
<body onload="initMap()">
    <div id="map_canvas" style="height: 60%; width: 100%">
    </div>
</body>
</html>

I am having a problem with google maps.The above code is working fine in 
mozilla but it is not working in IE and also i am having a problem in zoom 
in.When the map is zoomed i cannot drag the map further.Is it the apis have 
been changed.Please help me out with this.Awaiting for reply.
Original issue reported on code.google.com by shetty.m...@gmail.com on 4 Nov 2011 at 10:50
ZachPhillipsGary / google-maps-utility-library-v3

Google Maps Issue #137
