BuddyPress.org

hey I m havin almost the same issue here … I m tryin to make a page like futureshop store locator as here https://www-ssl.futureshop.ca/en-CA/stores/store-locator.aspx?path=ea28f6c34753eb533eec8934664edb41en99
Where the drop down menu for one is enabled and i can chose well the other is greyed out and only becomes “choseable” one the first one is selected. Could someone give any pointers … guys plzz