tip change google map zoom

Visitors Traffic Real Time Statistics

change zoom and Latitude and longitude coordinates if wanted.

lines 763 to 770 in overview.php

this is the code
function initialize(){
var mapProp = {
center: new google.maps.LatLng(53.522820,-1.128462),
zoom: 8,
mapTypeId: google.maps.MapTypeId.ROADMAP
};
var map = new google.maps.Map(document.getElementById(“googleMap”) ,mapProp);
<?php