[OpenLayers-Users] PopUp Problem

[Kusum]

Hiii All

I am confused about a problem.

In My application There are around five point layers.
When I switch on a layer, points are shown and for each point information is fetched and shown in popups.

everything goes fine until three layers
 but when I switch on fourth layer, points are plotted and information is also fetched but popups don't show up

Is there a limit that only for some number of points popups will be shown.........

the url for my application is http://mapxl.com/interactive-maps/world-registration.php

the layers are shown as you click on themes button on page...

Regards,
Kusum
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