Marker Maps Not Showing Correct

I have google maps in a orderform with different steps, this is done by hidden div's. First i'm getted grey area's on maps. That is solved by changing this code first: map = new G

Solution 1:

use setCenter() to re-center the map.

Solution 2:

You mean this Dr.Molle?

<divclass="gb_map_locator"id="gb_maplocator"><aid="btnAddtomap"><?phpecho JText::_('LOCATE_ADDRESS_TO_MAP');?></a><fieldsetclass="adminform"><inputtype="hidden"name="glat"id="map_glat" /><inputtype="hidden"name="glng"id="map_glng" /><inputtype="hidden"name="level"id="map_level" /><divid="map_canvas"style="width:430px; height: 315px;"></div><br /><divclass="mapbuttons"><aid="addMarkerButton"><?phpecho JText::_('ADD_MARKER');?></a><aid="fixMarkerButton"><?phpecho JText::_('FIX_MARKER');?></a></div></fieldset>