var subs_array = new Array();// Put the id's of your hidden divs in this array

function displaySubs(the_sub){

        if (document.getElementById(the_sub).style.display==""){

        document.getElementById(the_sub).style.display = "none";return

  }

  for (i=0;i<subs_array.length;i++){

        var my_sub = document.getElementById(subs_array[i]);

        my_sub.style.display = "none";

        }

  document.getElementById(the_sub).style.display = "";

  }

//  End -->