In the script literadius/views/map_assets/js_css/xml_g_maps.js
look for the function:
/*
// FUNCTION: load
*/
function load() {
if (GBrowserIsCompatible()) {
geocoder = new GClientGeocoder();
map = new GMap2(document.getElementById('map'));
map.addControl(new GSmallMapControl());
map.addControl(new GMapTypeControl());
map.addMapType(G_PHYSICAL_MAP);
// disable map dragging
map.disableDragging();
initMapView();
}
and add the following as illustrated ubove:
map.disableDragging();