// Place your application-specific JavaScript functions and classes here
// This file is automatically included by javascript_include_tag :defaults

function num2letterID(num) {
    // Takes an positive integer and translates it into a unique letter ID.
    // Examples: 0 -> A, 25 -> Z, 26 -> AA, 27 -> AB, 51 -> AZ, 52 -> BA.
    alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
    ID = alphabet[num % 26];
    return num <= 25 ? ID : alphabet[Math.floor(num/26)-1] + ID
}

function clickTip(obj, txt) {
  // Handles tip text in form elements when clicked
  if (obj.value == txt) obj.value=""; 
  obj.className = "formInput";
}

function blurTip(obj, txt) {
  // Handles tip text in form elements when blurred
  if (obj.value != "") return;
  obj.className = "formInputTip";
  obj.value = txt;
}

function toggleHeaderSubnav(link) {
  if ($(link).parents('.subnavtab').hasClass('open')) {
    closeHeaderSubnav(link);
  } else {
    openHeaderSubnav(link);
  }
}

function openHeaderSubnav(link) {
  $('.subnav').hide();
  $('.subnavtab').removeClass('open');
  $(link).parents('.subnavtab').addClass('open');
  $(link).parents('li').find('.subnav').show();
  $(document).click(subnavClickOff);
}

function closeHeaderSubnav(link) {
  $(link).parents('.subnavtab').removeClass('open');
  $(link).parents('li').find('.subnav').hide();
  $(document).unbind(subnavClickOff);
}

function subnavClickOff(e) {
  if ($(e.target).parents('.subnavwrapper').length == 0) {
    $('.subnav').hide();
    $('.subnavtab').removeClass('open');
  }
}

QTIP_DEFAULTS = {
  hide: {
    fixed: true
  },
  style: { 
    name: 'green',
    tip: 'leftMiddle',
    border: {
      radius: 5
    },
    width: {
      max: 300
    }
  },
  position: {
    corner: {
      target: 'rightMiddle',
      tooltip: 'leftMiddle'
    }
  }
}