function f_change_track(trackid){
  var race_content = document.getElementById("races_page_content");
  
  race_content.innerHTML = "Loading...";	 
  
  get_external_content('/utilities/process/races/race_track_information.php?trackid='+trackid, 'races_page_content', '');
  
}

function f_change_race(raceid,racenumber){
  var results_content  = document.getElementById("race_results");
  var info_content     = document.getElementById("race_information");
  
  results_content.innerHTML = "";
  info_content.innerHTML = "Loading...";	 
  
  get_external_content('/utilities/process/races/race_information.php?raceid='+raceid+'&racenumber='+racenumber, 'race_information', '');
  
}

function f_change_results(raceid,racenumber){
  var results_content  = document.getElementById("race_results");
  var info_content     = document.getElementById("race_information");
  
  results_content.innerHTML = "Loading...";
  info_content.innerHTML = "Loading...";	 
  
  get_external_content('/utilities/process/races/race_results.php?raceid='+raceid, 'race_results', '');
  get_external_content('/utilities/process/races/race_information.php?raceid='+raceid+'&racenumber='+racenumber, 'race_information', '');
    
}

function f_change_event_day(date){  
  
  var race_calendar_events = document.getElementById("race_calendar_events_test");
    
  race_calendar_events.innerHTML = "Loading...";
  race_calendar_events.innerHTML = '<iframe src="https://www.sportsbettingonline.ag/utilities/centralize/pph/utilities/process/races/race_calendar_events.php?flag=1&date='+date+'" height="390" width="325" allowtransparency="yes" frameborder="0" name="race_calendar_events" scrolling="yes"></iframe>'; 
  
  
}