Synchronous Ajax class in chrome is not working synchronous

Synchronous call of ajax is not working in chrome look at following site

pleases click on a country appearing right of your screen. The grid
has to appear but before appearing of grid there are some commands of
synchronous ajax which is not working. These commands are working quite
efficiently in IE or firefox

Please click on country names as syn ajax is implemented on country names. Country names appear under the world map

please check the answer … al&q=10147