• Guild progression is determined from individual raider progression
• A boss is determined to be killed when a set number of raiders have killed a boss (see the ratio option below).
• Guild run achievements were not used because they didn't seem to return consistent results. Also only the last heroic boss is tracked.
• The number of boss kills can also be added to the tooltip. But because every raider has a different value, it averages the number of kills. So if a raider that has no boss kills is included, it may drastically affect the average.

The Code

This is a Mod
Control Panel > Site Mods > Get Site Mods > Look for "WoW Progression  (automatic updating)"
also get the "Modified Tooltips" mod

<script>Sys.Application.add_load(function(){

// target wow-progression element
$('.wow-progression').wowProgression({

// ** Guild Info ***
// battlenet domain = "us", "eu", "kr", "tw" or "sea";
// use "cn" for china
region  : "us",
// locale = "en_US", "es_MX", "pt_BR", "en_GB", "es_ES", "fr_FR",
// "ru_RU", "de_DE", "pt_PT", "it_IT", "ko_KR", "zh_TW" or "zh_CN"
locale  : "en_US",
// game server name; include spaces and apostrophes
server  : "Lightning's Blade",
// guild name; include spaces and apostrophes
guild   : "Our Guild's Name",
// list raiders under "all" for all expansion;
// or under a specific expansion
raiders : {
    'all'   : [ 'raider1', 'raider2' ],
    'mists' : [ 'raider3', 'raider4' ],
    'cat'   : [ 'raider3alt' ]
},

// ** Appearance **
// expansion to show. The order can be changed
// use "mists" and/or "cat"
show    : [ 'mists', 'cat' ],
// show heroics?
heroics : true,
// 75% of raiders showing kill before boss counted as killed
ratio   : 0.75,
// instance boss count: {n} = number kill count,
// {t} = total, {p} = percentage
count   : '{n}/{t}', // '{p}',
// tooltip - boss killed: use {s} for none/killed status text,
// {n} for number of kills
// this is an avg from all raiders
status  : "{s}",
// use instance abbreviation - "Firelands" becomes "FL"
useAbbr : false,
// boss status text
text    : {
    zero    : '',  // zero boss kills - when using {n} in status
    none    : '',  // boss not killed text
    killed  : 'Killed' // boss killed text
}
});});</script>

Description of Options

• region
  
  * This must be set to the battle.net domain.
  * China's battle.net does not have a domain, but you can set this value to `"cn"` and the plugin will use the correct API domain.
  * Values include: `"us"`, `"eu"`, `"kr"`, `"tw"` or `"sea"`; use `"cn"` for China.
  * Default value is `"us"`.
  
  
• locale
  
  * This sets the language to use.
  * Values include : `"en_US"`, `"es_MX"`, `"pt_BR"`, `"en_GB"`, `"es_ES"`, `"fr_FR"`, `"ru_RU"`, `"de_DE"`, `"pt_PT"`, `"it_IT"`, `"ko_KR"`, `"zh_TW"` or `"zh_CN"`.
  * Default value is `"en_US"` (English U.S.).
  
  
• server
  
  * Set the server name to use here.
  * Only one server is usable per widget.
  * Include any spaces and apostrophes in the server name and make sure it is within double quotes.
  * Default is `"Lightning's Blade"` to show that double quotes should be surrounding the name with an apostrophe.
   
• guild
  
  * Set your guild's name here.
  * Include spaces and apostrophes in the name and make sure it is within double quotes.
  * Default is `"Our Guild's Name"` to show that double quotes should be surrounding the name with an apostrophe.
  
  
• raiders
  
  * List your raiders here; Yes, you only need to add one.
  * Include raiders under `'all'` to have them included in all expansions.
  * Include raiders under `'mists'` or `'cat'` to have them counted only for specific expansions.
  * So in this example:
  
      // list raiders here under "all" or the expansion abbreviation
      raiders : {
        'all'   : [ 'raider1', 'raider2' ], // included in all expansions
        'mists' : [ 'raider3', 'raider4' ],
        'cat'   : [ 'raider3alt' ]
      },
  
      the mists expansion will count raider1, raider2, raider3 and raider4; and the 'cat' expansion will count raider1, raider2 and raider3alt
  
  * Default value is as seen above, so nothing will show because those raider names don't exist!
  
  
• show
  
  * Set the expansions to show within the progression box.
  * Values must be within an array and include "mists" and/or "cat".
  * The order of the expansions can be changed. The first expansion listed will be on top.
  * Default value is `[ 'mists', 'cat' ]`.
  
  
• heroics
  
  * Set this boolean value to `true` to include heroic progression, or set it to `false` to not include heroic progression.
  * Do not wrap this value in quotes.
  * Default value is `true`.
  
  
• ratio
  
  * This is a threshold ratio that must be suppassed before a boss will be counted as killed.
  * To better explain this, say the plugin has the ratio set to `0.75` and sees this data (x = boss killed):
  
      raider  Boss1 Boss2 Boss3
      lisa      x     x     x
      fred      x     x     -
      mike      x     x     -
      joe       x     -     -
  
      ratio    4/4   3/4   1/4  (fraction)
                1    0.75  0.25 (decimal)
   
      * So all raiders have killed boss1 making the kill ratio one (or 100%). This is above the `0.75` (75%) set ratio, so boss1 will show as being killed.
      * Boss2 has 3/4 (0.75 or 75%) of the raiders killing the boss, so because this is equal to the set kill ratio, it will also show the boss as being killed.
      * Boss3 only had 1/4 (0.25 or 25%) of the raiders killing the boss. This is not above the set kill ratio, so this boss will not show as being killed.
  
  * Default value is `0.75`.
  
  
• count
  
  * Set the format of the instance boss kill count using this option.
  * This count shows up on the right side of the instance progression bar.
  * The value of this option has a string that can include:
    * `{n}` - the number of kills in that instance.
    * `{t}` - the total number of bosses in that instance.
    * `{p}` - the percentage of kills in that instance.
  * The default value is `"{n}/{t}"` which shows the fraction of boss kills in the instance (e.g. `3/4`).
  * Alternatively you can include the percentage of kills using `"{n}/{t} ({p})"` (e.g. `3/4 (75%)`).
  
  
• status
  
  * Set the format of the instnace boss kill status using this option.
  * This status shows up within the tooltip that pops up when hovering over a progression bar.
  * The value of this option has a string that can include:
    * `{s}` - the none/killed status text - see the `text` option below.
    * `{n}` - the number of boss kills averaged from all raiders in that expansion. So this number may be really off if one raider doesn't have any boss kills.
  * Default value is `"{s}"`.
  
  
• useAbbr
  
  * Set this boolean value to `true` to use the instance name abbreviation.
  * I know that in different locales the instance name changes and therefore the abbreviation will change. If this change is needed, I'll include instructions on how to set this up.
  * Default value is `false`.
  
  
• text
  
  * Set the desired text to show for the boss status, within the tooltip.
  * The option is set up as follows:
  
      // boss status text
      text    : {
        zero    : '',  // boss kill count (if zero) - when using {n} in status
        none    : '',  // boss not killed text
        killed  : 'Killed' // boss killed text
      },
  
      * `zero` is the text shown when the `{n}` status is shown, but the boss count is zero.
      * `none` is the text shown when the `{t}` status is shown, but the boss hasn't been killed.
      * `killed` is the text shown when the boss has been killed.
      * Any of these status text can also include HTML. So if you want an image to show a boss kill, use this instead: `killed : '<img src="/Cargo/Mods/1339/killed.png">'`.
      * Sorry, there isn't any way for a status to show that a boss has been attempted.
  * Default values are shown above.

Customize the look using the provided CSS:

/********************
 tooltip styling
 ********************/
.tips { width: 250px; }
/* tooltip title */
.tips .inst { border-bottom: #555 1px solid; margin: 2px; }
.tips .inst-title { font-size: 14px; font-weight: bold; }
.tips .inst-count { float: right; }

/* boss listing */
.tips .boss { font-size: 13px; position: relative; } /* wrapper */
.tips .boss-icon { width: 18px; height: 18px; margin: 0 5px 1px 0; vertical-align: middle; }
.tips .boss-name {}
.tips .boss-status { position: absolute; right: 5px; }
.tips .boss-killed { color: red; text-decoration: line-through; }

/* overall */
.wowprogression { width: 100%; margin: 0 auto; }
.wowprogression h3.expansion { margin: 10px 5px; text-align: center; }
.wowprogression .inst-name { font: 12px verdana, "trebuchet MS", helvetica, sans-serif; min-width: 50%; display: inline-block; }

/********************
 expansion blocks
 ********************/
/* expansion Title */
.wowprogression h3.expansion-mists {}
.wowprogression h3.expansion-cat {}

/* expansion instances wrapper */
.wowprogression div.instances-mists {}
.wowprogression div.instances-cat {}

/********************
 instance blocks
 ********************/
/* instance listing */
.wowprogression .instance { width: 100%; border-spacing: 0; }
.wowprogression .instance td.icon { /* wraps div.icon */
    width: 36px;
}
.wowprogression .instance div.icon {
    max-width: 35px;
    width: 35px;
    height: 35px;
    margin: 15px 2px 2px 5px;
    background-image: url(http://us.battle.net/wow/static/images/character/summary/raid-icons.jpg);
}

/* specific instances */
/* mists */
.wowprogression .inst-HoF .icon { background-position: -1780px -5px; }
.wowprogression .inst-MV .icon { background-position: -1719px -5px; }
.wowprogression .inst-TES .icon { background-position: -1841px -5px; }

/* cat */
.wowprogression .inst-DS .icon { background-position: -1658px -5px; }
.wowprogression .inst-FL .icon { background-position: -1597px -5px; }
.wowprogression .inst-ToFW .icon { background-position: -1536px -5px; }
.wowprogression .inst-BoT .icon { background-position: -1414px -5px; }
.wowprogression .inst-BD .icon { background-position: -1475px -5px; }
.wowprogression .inst-BH .icon { background-position: -1353px -5px; }

/********************
 progress bars
 ********************/
.wowprogression .bar-bkgd { height: 15px; }
.wowprogression .bar-color { height: 15px; text-align: right; }
.wowprogression .bar-text { height: 15px; font: 10px verdana, "trebuchet MS", helvetica, sans-serif; padding-right: 5px; }

.wowprogression .bar-normal, .bar-heroic {
    width: 98%;
    border: 1px solid #555;
    background: #222; /* bar background */
    background: -webkit-gradient(linear, left top, left bottom, from(#222), to(#444));
    background: -moz-linear-gradient(center top, #222, #444) repeat scroll 0 0 transparent;
}
.wowprogression .bar-normal .bar-text { color: #fff; }
.wowprogression .bar-normal .bar-color {
    background-color: #00f; /* normal: blue */
    background: -webkit-gradient(linear, left top, left bottom, from(#00f), to(#006));
    background: -moz-linear-gradient(center top, #00f, #006) repeat scroll 0 0 transparent;
}
.wowprogression .bar-heroic .bar-text { color: #fff; }
.wowprogression .bar-heroic .bar-color {
    background-color: #c00; /* heroic: red */
    background: -webkit-gradient(linear, left top, left bottom, from(#c00), to(#600));
    background: -moz-linear-gradient(center top, #c00, #600) repeat scroll 0 0 transparent;
}
</style>

• If you want to hide an entire instance, just add "display:none;" to the css class name corresponding to that item. For example, to hide Throne of the Four Winds, add this:
  
      .wowprogression .inst-ToFW { display: none; }
  
  
• To hide a specific normal or heroic instance, add the following:
  
      .wowprogression .inst-ToFW .bar-normal { display: none; } /* normal instance */
      .wowprogression .inst-ToFW .bar-heroic { display: none; }  /* heroic instance */

.wowprogression .inst-ToT .icon { background-position: -1902px -5px; }

.wowprogression .inst-ToES .icon { background-position: -1841px -5px; }