longdo map ไม่ทำงานบน chrome คับ

ใช้ได้บน firefox และ ie ปกติดีคับ แต่ไม่ทำงานบน chrome เป็นเพราะอะใคับ
html
 
<div class="map" id="indexmap"></div>
 
script 

 
<script  type="text/javascript">
var indexmap;
function map_init() {
indexmap = new longdo.Map({
placeholder: document.getElementById('indexmap')
});
// Hide pop-up and mask
$("#mask").hide();
$("#pop-interP").hide();
$("#pop-Station").hide();
$("#pop-Area").hide();
// Size pop-up
var img_w = 600;
var img_h = 650;
// width and height in css.
$(".pop").css('width', img_w + 'px');
$(".pop").css('height', img_h + 'px');
// Get values ​​from the browser window
var w = $(this).width();
var h = $(this).height();
// Centers the popup
w = (w / 2) - (img_w / 2);
h = (h / 2) - (img_h / 2);
$(".pop").css("left", w + "px");
$(".pop").css("top", h + "px");
// Function to close the pop-up
$(".pop-close").click(function () {
$(".pop").fadeOut('slow');
$("#mask").fadeOut('slow');
});
//right click
indexmap.Event.bind('beforeContextmenu', function (event) {
var element1 = document.createElement('div');
var element2 = document.createElement('div');
var element3 = document.createElement('div');
var element4 = document.createElement('div');
var element5 = document.createElement('div');
var element6 = document.createElement('div');
element1.innerHTML = 'สร้างจุดสนใจ';
element1.style.cursor = 'pointer';
element1.style.backgroundColor = '#FFF';
element1.className += ("liMap");
element1.onclick = function () {
indexmap.Ui.ContextMenu.visible(false);
$("#pop-interP").fadeIn('slow');
$("#mask").fadeIn('slow');
$.post("contentPopup.html", function (data) {
$("#contentPop").html(data);
});
};
element2.innerHTML = 'สร้างสถานี';
element2.style.cursor = 'pointer';
element2.style.backgroundColor = '#FFF';
element2.className += ("liMap");
element2.onclick = function () {
indexmap.Ui.ContextMenu.visible(false);
$('#pop-Station').fadeIn('slow');
$('#mask').fadeIn('slow');
$.post("contentPopup.html", function (data) {
$("#contentPop").html(data);
});
};
element3.innerHTML = 'สร้างเขตพีืนที่';
element3.style.cursor = 'pointer';
element3.style.backgroundColor = '#FFF';
element3.className += ("liMap");
element3.onclick = function () {
indexmap.Ui.ContextMenu.visible(false);
$('#pop-Area').fadeIn('slow');
$('#mask').fadeIn('slow');
$.post("contentPopup.html", function (data) {
$("#contentPop").html(data);
});
};
element4.innerHTML = 'วัดระยะ';
element4.style.cursor = 'pointer';
element4.style.backgroundColor = '#FFF';
element4.className += ("liMap");
element5.innerHTML = 'พิมพ์';
element5.style.cursor = 'pointer';
element5.style.backgroundColor = '#FFF';
element5.className += ("liMap");
element6.innerHTML = 'แสดงข้อมูล';
element6.style.cursor = 'pointer';
element6.style.backgroundColor = '#FFF';
element6.className += ("liMap");


event.add(element1);
event.add(element2);
event.add(element3);
event.add(element4);
event.add(element5);
event.add(element6);
});
}
</script>