function check_user_avail(username) {

if (username != '') {

  document.getElementById('username_info').innerHTML="Checking Availability...";

  AjaxRequest.get(

    {

      'parameters':{'username':username}

      ,'url':'/check_user_avail.php'

      ,'onSuccess':function(req) { document.getElementById('username_info').innerHTML=display_avail(req.responseText); }

      ,'onError':function(req) { document.getElementById('username_info').innerHTML="Sorry, This feature is currently yet available."; }

    }

  );

} else {

  document.getElementById('username_info').innerHTML="Enter a name first";

}

}



function display_avail(code) {

  if (String(code).indexOf("true") > -1) {

    return "Available";

  } else {

    return "Sorry, Not Available";

  }

}



function resetLink() {

  link = "<a href=\"javascript:check_user_avail(document.forms[0].username.value);\">Check Availability</a>";

  document.getElementById('username_info').innerHTML=link;

}



function viewFreestyle(freestyle_id) {

  document.getElementById('viewFreestyle').innerHTML="Loading Freestyle";

  document.getElementById('viewFreestyleContainer').style.display = 'block';

  getFreestyle(freestyle_id, 'viewFreestyle', "true");

}



function getFreestyle(freestyle_id, divName, displayTitle) {

  AjaxRequest.get(

    {

      'parameters':{'freestyle_id':freestyle_id, 'displayTitle':displayTitle}

      ,'url':'/viewFreestyle.php'

      ,'onSuccess':function(req) { document.getElementById(divName).innerHTML=displayFreestyle(req.responseText);}

      ,'onError':function(req) { document.getElementById(divName).innerHTML="Sorry, this freestyle can not load at this time.";}

    }

  );

}



function displayFreestyle(text) {

  return text;

}



function closeFreestyle() {

  document.getElementById('viewFreestyleContainer').style.display = 'none';

}



function openBattleFreestyle(freestyle_id, divName) {

  if (document.getElementById(divName).style.display == 'none') {

    document.getElementById(divName).style.display = 'block';

    if (document.getElementById(divName).innerHTML == '') {

      document.getElementById(divName).innerHTML = "Loading...";

      getFreestyle(freestyle_id, divName, "false");

    }

  } else {

    document.getElementById(divName).style.display = 'none';

  }

}



// TODO pre-cache /images/voted.png

function voteComp(battle_id, freestyle_id, voted_user_id) {

  AjaxRequest.get(

    {

      'parameters':{'battle_id':battle_id, 'freestyle_id':freestyle_id, 'voted_user_id':voted_user_id}

      ,'url':'/voteComp.php'

      ,'onSuccess':function(req) {

        document.getElementById('vote'+freestyle_id).style.display = 'none';

        document.getElementById('voted'+freestyle_id).style.display = 'block';

      }

      ,'onError':function (req) { alert("You have already voted"); }

    }

  );

}