function date_change()
{
  if($('#roster_week_selector').val() == "choose")
  {
    $('#pick_date').removeClass('noDisplay');
    $('#pick_date').css('display', 'inline');
  } else {
    $('#pick_date').addClass('noDisplay');
    { if($(this).attr("value")!="") {$("#html_roster_selector").submit();}}
  }
}

function use_custom_date(dateText)
{
  if($('#pick_date').val() != "")
  {
    roster_week = $('#pick_date').val().replace(/\//g,"_");
    window.location.href = "http://" + window.location.hostname + '/roster/roster.php?roster_date=' + roster_week;
  }
}

function show_msg(element)
{

  var elid = element.attr('id');
  if(messages[elid]!==undefined)
  {
    var msg = messages[elid];
    var position = element.position();
    var doc_width = $(document).width();
    var doc_height = $(document).height();

    msg = "<div class='updates'><h1>Changes</h1><ul>"+msg+"</ul></div>";
    $('#update_msg').css('top', 0);
    $('#update_msg').css('left', 0);
    $('#update_msg').html(msg);
    var upd_width = $('#update_msg').width();
    var upd_height = $('#update_msg').height();
    var upd_padding = 10;
    if((position.left + element.width() + upd_width + upd_padding) > doc_width)
    {
      $('#update_msg').css('left', position.left - upd_width - upd_padding);
    } else {
      $('#update_msg').css('left', position.left + element.width() + upd_padding);
    }
    if((position.top + upd_height) > doc_height)
    {
      $('#update_msg').css('top', position.top + element.height() - upd_height);
    } else {
      $('#update_msg').css('top', position.top);
    }
    $('#update_msg').css('display', 'block');
  }
}

function hide_msg()
{
  $('#update_msg').css('display', 'none');
}

function move(move_direction)
{
  var url = "";
  switch (move_direction) {
    case "next_wk":
        url = $('#next_wk_link').attr('href');
        break;
    case "last_wk":
        url = $('#last_wk_link').attr('href');
        break;
    default:
        url = "/roster/index.php"
  }
  if(url != "/roster/index.php")
  {
    window.location.href = location.protocol + "//" + window.location.hostname + url;
  } else {
    //alert('Please select a roster date');
  }
}