function getParamObject() {
        var params = self.location.search;
        var object = {};
        if (params.indexOf('?') >= 0) params = params.substr(params.indexOf('?') + 1);
        params = params.split('&');
        for (var i = -1; ++i < params.length;) {
          var param = params[i].split('=');
          var key = param[0].toLowerCase();
          var value = param[1];
          object[key] = value;
        }
        return object;
      }


    function openSYOS(sessID,prodID,venueID) {

    //document.getElementById("syosPre").visibility = "visible";

      var swf_id = 'syos';
      //var flashvars = getParamObject();
      //flashvars.sessionid = sessID;
      //flashvars.perf_no = prodID;
      //flashvars.baseUrl = '/bso/SYOS/';
      var flashvars = {sessionid:sessID, perf_no:prodID, venue_no:venueID, config_url:'/bso/global/content_containers/config/application.xml'};
      var swfparams = {wmode:'opaque',bgcolor:'#ffffff'};
      var attributes = {};
      swfobject.embedSWF("/bso/global/content_containers/syos_shell.swf", "syos", "773", "645", "9.0.0", "/bso/global/content_containers/expressInstall.swf", flashvars, swfparams, attributes);
      //document.getElementById("syos").style.visibility="hidden";
    }


      function openFeedback(){
        location.href='mailto:customerservice@bso.org?subject=Feedback on Select Your Own Seat';
      }

      function closeSeatChooser() {
        document.getElementById("syos").innerHTML = "";
    document.getElementById("syos").visibility = "hidden";
    //document.getElementById("syosPre").visibility = "hidden";
      }
      
       function toggleBox(szDivID, iState) // 1 visible, 0 hidden
          {
              if(document.layers)    //NN4+
              {
                 document.layers[szDivID].visibility = iState ? "show" : "hide";
              }
              else if(document.getElementById)    //gecko(NN6) + IE 5+
              {
                  var obj = document.getElementById(szDivID);
                  obj.style.visibility = iState ? "visible" : "hidden";
              }
              else if(document.all) // IE 4
              {
                  document.all[szDivID].style.visibility = iState ? "visible" : "hidden";
              }
    }