diff --git a/css/chosen-sprite.png b/css/chosen-sprite.png
deleted file mode 100755
index 113dc988..00000000
Binary files a/css/chosen-sprite.png and /dev/null differ
diff --git a/css/chosen.css b/css/chosen.css
deleted file mode 100755
index 7895721d..00000000
--- a/css/chosen.css
+++ /dev/null
@@ -1,397 +0,0 @@
-/* @group Base */
-.chzn-container {
-  font-size: 13px;
-  position: relative;
-  display: inline-block;
-  zoom: 1;
-  *display: inline;
-}
-.chzn-container .chzn-drop {
-  background: #fff;
-  border: 1px solid #aaa;
-  border-top: 0;
-  position: absolute;
-  top: 29px;
-  left: 0;
-  -webkit-box-shadow: 0 4px 5px rgba(0,0,0,.15);
-  -moz-box-shadow   : 0 4px 5px rgba(0,0,0,.15);
-  box-shadow        : 0 4px 5px rgba(0,0,0,.15);
-  z-index: 1010;
-}
-/* @end */
-
-/* @group Single Chosen */
-.chzn-container-single .chzn-single {
-  background-color: #ffffff;
-  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ffffff', endColorstr='#eeeeee', GradientType=0 );   
-  background-image: -webkit-gradient(linear, 0 0, 0 100%, color-stop(20%, #ffffff), color-stop(50%, #f6f6f6), color-stop(52%, #eeeeee), color-stop(100%, #f4f4f4));
-  background-image: -webkit-linear-gradient(top, #ffffff 20%, #f6f6f6 50%, #eeeeee 52%, #f4f4f4 100%);
-  background-image: -moz-linear-gradient(top, #ffffff 20%, #f6f6f6 50%, #eeeeee 52%, #f4f4f4 100%);
-  background-image: -o-linear-gradient(top, #ffffff 20%, #f6f6f6 50%, #eeeeee 52%, #f4f4f4 100%);
-  background-image: linear-gradient(#ffffff 20%, #f6f6f6 50%, #eeeeee 52%, #f4f4f4 100%); 
-  -webkit-border-radius: 5px;
-  -moz-border-radius   : 5px;
-  border-radius        : 5px;
-  -moz-background-clip   : padding;
-  -webkit-background-clip: padding-box;
-  background-clip        : padding-box;
-  border: 1px solid #aaaaaa;
-  -webkit-box-shadow: 0 0 3px #ffffff inset, 0 1px 1px rgba(0,0,0,0.1);
-  -moz-box-shadow   : 0 0 3px #ffffff inset, 0 1px 1px rgba(0,0,0,0.1);
-  box-shadow        : 0 0 3px #ffffff inset, 0 1px 1px rgba(0,0,0,0.1);
-  display: block;
-  overflow: hidden;
-  white-space: nowrap;
-  position: relative;
-  height: 23px;
-  line-height: 24px;
-  padding: 0 0 0 8px;
-  color: #444444;
-  text-decoration: none;
-}
-.chzn-container-single .chzn-default {
-  color: #999;
-}
-.chzn-container-single .chzn-single span {
-  margin-right: 26px;
-  display: block;
-  overflow: hidden;
-  white-space: nowrap;
-  -o-text-overflow: ellipsis;
-  -ms-text-overflow: ellipsis;
-  text-overflow: ellipsis;
-}
-.chzn-container-single .chzn-single abbr {
-  display: block;
-  position: absolute;
-  right: 26px;
-  top: 6px;
-  width: 12px;
-  height: 13px;
-  font-size: 1px;
-  background: url('chosen-sprite.png') right top no-repeat;
-}
-.chzn-container-single .chzn-single abbr:hover {
-  background-position: right -11px;
-}
-.chzn-container-single.chzn-disabled .chzn-single abbr:hover {
-  background-position: right top;
-}
-.chzn-container-single .chzn-single div {
-  position: absolute;
-  right: 0;
-  top: 0;
-  display: block;
-  height: 100%;
-  width: 18px;
-}
-.chzn-container-single .chzn-single div b {
-  background: url('chosen-sprite.png') no-repeat 0 0;
-  display: block;
-  width: 100%;
-  height: 100%;
-}
-.chzn-container-single .chzn-search {
-  padding: 3px 4px;
-  position: relative;
-  margin: 0;
-  white-space: nowrap;
-  z-index: 1010;
-}
-.chzn-container-single .chzn-search input {
-  background: #fff url('chosen-sprite.png') no-repeat 100% -22px;
-  background: url('chosen-sprite.png') no-repeat 100% -22px, -webkit-gradient(linear, 0 0, 0 100%, color-stop(1%, #eeeeee), color-stop(15%, #ffffff));
-  background: url('chosen-sprite.png') no-repeat 100% -22px, -webkit-linear-gradient(top, #eeeeee 1%, #ffffff 15%);
-  background: url('chosen-sprite.png') no-repeat 100% -22px, -moz-linear-gradient(top, #eeeeee 1%, #ffffff 15%);
-  background: url('chosen-sprite.png') no-repeat 100% -22px, -o-linear-gradient(top, #eeeeee 1%, #ffffff 15%);
-  background: url('chosen-sprite.png') no-repeat 100% -22px, linear-gradient(#eeeeee 1%, #ffffff 15%);
-  margin: 1px 0;
-  padding: 4px 20px 4px 5px;
-  outline: 0;
-  border: 1px solid #aaa;
-  font-family: sans-serif;
-  font-size: 1em;
-}
-.chzn-container-single .chzn-drop {
-  -webkit-border-radius: 0 0 4px 4px;
-  -moz-border-radius   : 0 0 4px 4px;
-  border-radius        : 0 0 4px 4px;
-  -moz-background-clip   : padding;
-  -webkit-background-clip: padding-box;
-  background-clip        : padding-box;
-}
-/* @end */
-
-.chzn-container-single-nosearch .chzn-search input {
-  position: absolute;
-  left: -9000px;
-}
-
-/* @group Multi Chosen */
-.chzn-container-multi .chzn-choices {
-  background-color: #fff;
-  background-image: -webkit-gradient(linear, 0 0, 0 100%, color-stop(1%, #eeeeee), color-stop(15%, #ffffff));
-  background-image: -webkit-linear-gradient(top, #eeeeee 1%, #ffffff 15%);
-  background-image: -moz-linear-gradient(top, #eeeeee 1%, #ffffff 15%);
-  background-image: -o-linear-gradient(top, #eeeeee 1%, #ffffff 15%);
-  background-image: linear-gradient(#eeeeee 1%, #ffffff 15%);
-  border: 1px solid #aaa;
-  margin: 0;
-  padding: 0;
-  cursor: text;
-  overflow: hidden;
-  height: auto !important;
-  height: 1%;
-  position: relative;
-}
-.chzn-container-multi .chzn-choices li {
-  float: left;
-  list-style: none;
-}
-.chzn-container-multi .chzn-choices .search-field {
-  white-space: nowrap;
-  margin: 0;
-  padding: 0;
-}
-.chzn-container-multi .chzn-choices .search-field input {
-  color: #666;
-  background: transparent !important;
-  border: 0 !important;
-  font-family: sans-serif;
-  font-size: 100%;
-  height: 15px;
-  padding: 5px;
-  margin: 1px 0;
-  outline: 0;
-  -webkit-box-shadow: none;
-  -moz-box-shadow   : none;
-  box-shadow        : none;
-}
-.chzn-container-multi .chzn-choices .search-field .default {
-  color: #999;
-}
-.chzn-container-multi .chzn-choices .search-choice {
-  -webkit-border-radius: 3px;
-  -moz-border-radius   : 3px;
-  border-radius        : 3px;
-  -moz-background-clip   : padding;
-  -webkit-background-clip: padding-box;
-  background-clip        : padding-box;
-  background-color: #e4e4e4;
-  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#f4f4f4', endColorstr='#eeeeee', GradientType=0 ); 
-  background-image: -webkit-gradient(linear, 0 0, 0 100%, color-stop(20%, #f4f4f4), color-stop(50%, #f0f0f0), color-stop(52%, #e8e8e8), color-stop(100%, #eeeeee));
-  background-image: -webkit-linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eeeeee 100%);
-  background-image: -moz-linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eeeeee 100%);
-  background-image: -o-linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eeeeee 100%);
-  background-image: linear-gradient(#f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eeeeee 100%); 
-  -webkit-box-shadow: 0 0 2px #ffffff inset, 0 1px 0 rgba(0,0,0,0.05);
-  -moz-box-shadow   : 0 0 2px #ffffff inset, 0 1px 0 rgba(0,0,0,0.05);
-  box-shadow        : 0 0 2px #ffffff inset, 0 1px 0 rgba(0,0,0,0.05);
-  color: #333;
-  border: 1px solid #aaaaaa;
-  line-height: 13px;
-  padding: 3px 20px 3px 5px;
-  margin: 3px 0 3px 5px;
-  position: relative;
-  cursor: default;
-}
-.chzn-container-multi .chzn-choices .search-choice.search-choice-disabled {
-  background-color: #e4e4e4;
-  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#f4f4f4', endColorstr='#eeeeee', GradientType=0 );
-  background-image: -webkit-gradient(linear, 0% 0%, 0% 100%, color-stop(20%, #f4f4f4), color-stop(50%, #f0f0f0), color-stop(52%, #e8e8e8), color-stop(100%, #eeeeee));
-  background-image: -webkit-linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eeeeee 100%);
-  background-image: -moz-linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eeeeee 100%);
-  background-image: -o-linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eeeeee 100%);
-  background-image: -ms-linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eeeeee 100%);
-  background-image: linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eeeeee 100%);
-  color: #666;
-  border: 1px solid #cccccc;
-  padding-right: 5px;
-}
-.chzn-container-multi .chzn-choices .search-choice-focus {
-  background: #d4d4d4;
-}
-.chzn-container-multi .chzn-choices .search-choice .search-choice-close {
-  display: block;
-  position: absolute;
-  right: 3px;
-  top: 4px;
-  width: 12px;
-  height: 13px;
-  font-size: 1px;
-  background: url('chosen-sprite.png') right top no-repeat;
-}
-.chzn-container-multi .chzn-choices .search-choice .search-choice-close:hover {
-  background-position: right -11px;
-}
-.chzn-container-multi .chzn-choices .search-choice-focus .search-choice-close {
-  background-position: right -11px;
-}
-/* @end */
-
-/* @group Results */
-.chzn-container .chzn-results {
-  margin: 0 4px 4px 0;
-  max-height: 240px;
-  padding: 0 0 0 4px;
-  position: relative;
-  overflow-x: hidden;
-  overflow-y: auto;
-  -webkit-overflow-scrolling: touch;
-}
-.chzn-container-multi .chzn-results {
-  margin: -1px 0 0;
-  padding: 0;
-}
-.chzn-container .chzn-results li {
-  display: none;
-  line-height: 15px;
-  padding: 5px 6px;
-  margin: 0;
-  list-style: none;
-}
-.chzn-container .chzn-results .active-result {
-  cursor: pointer;
-  display: list-item;
-}
-.chzn-container .chzn-results .highlighted {
-  background-color: #3875d7;
-  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#3875d7', endColorstr='#2a62bc', GradientType=0 );  
-  background-image: -webkit-gradient(linear, 0 0, 0 100%, color-stop(20%, #3875d7), color-stop(90%, #2a62bc));
-  background-image: -webkit-linear-gradient(top, #3875d7 20%, #2a62bc 90%);
-  background-image: -moz-linear-gradient(top, #3875d7 20%, #2a62bc 90%);
-  background-image: -o-linear-gradient(top, #3875d7 20%, #2a62bc 90%);
-  background-image: linear-gradient(#3875d7 20%, #2a62bc 90%);
-  color: #fff;
-}
-.chzn-container .chzn-results li em {
-  background: #feffde;
-  font-style: normal;
-}
-.chzn-container .chzn-results .highlighted em {
-  background: transparent;
-}
-.chzn-container .chzn-results .no-results {
-  background: #f4f4f4;
-  display: list-item;
-}
-.chzn-container .chzn-results .group-result {
-  cursor: default;
-  color: #999;
-  font-weight: bold;
-}
-.chzn-container .chzn-results .group-option {
-  padding-left: 15px;
-}
-.chzn-container-multi .chzn-drop .result-selected {
-  display: none;
-}
-.chzn-container .chzn-results-scroll {
-  background: white;
-  margin: 0 4px;
-  position: absolute;
-  text-align: center;
-  width: 321px; /* This should by dynamic with js */
-  z-index: 1;
-}
-.chzn-container .chzn-results-scroll span {
-  display: inline-block;
-  height: 17px;
-  text-indent: -5000px;
-  width: 9px;
-}
-.chzn-container .chzn-results-scroll-down {
-  bottom: 0;
-}
-.chzn-container .chzn-results-scroll-down span {
-  background: url('chosen-sprite.png') no-repeat -4px -3px;
-}
-.chzn-container .chzn-results-scroll-up span {
-  background: url('chosen-sprite.png') no-repeat -22px -3px;
-}
-/* @end */
-
-/* @group Active  */
-.chzn-container-active .chzn-single {
-  -webkit-box-shadow: 0 0 5px rgba(0,0,0,.3);
-  -moz-box-shadow   : 0 0 5px rgba(0,0,0,.3);
-  box-shadow        : 0 0 5px rgba(0,0,0,.3);
-  border: 1px solid #5897fb;
-}
-.chzn-container-active .chzn-single-with-drop {
-  border: 1px solid #aaa;
-  -webkit-box-shadow: 0 1px 0 #fff inset;
-  -moz-box-shadow   : 0 1px 0 #fff inset;
-  box-shadow        : 0 1px 0 #fff inset;
-  background-color: #eee;
-  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#eeeeee', endColorstr='#ffffff', GradientType=0 );
-  background-image: -webkit-gradient(linear, 0 0, 0 100%, color-stop(20%, #eeeeee), color-stop(80%, #ffffff));
-  background-image: -webkit-linear-gradient(top, #eeeeee 20%, #ffffff 80%);
-  background-image: -moz-linear-gradient(top, #eeeeee 20%, #ffffff 80%);
-  background-image: -o-linear-gradient(top, #eeeeee 20%, #ffffff 80%);
-  background-image: linear-gradient(#eeeeee 20%, #ffffff 80%);
-  -webkit-border-bottom-left-radius : 0;
-  -webkit-border-bottom-right-radius: 0;
-  -moz-border-radius-bottomleft : 0;
-  -moz-border-radius-bottomright: 0;
-  border-bottom-left-radius : 0;
-  border-bottom-right-radius: 0;
-}
-.chzn-container-active .chzn-single-with-drop div {
-  background: transparent;
-  border-left: none;
-}
-.chzn-container-active .chzn-single-with-drop div b {
-  background-position: -18px 1px;
-}
-.chzn-container-active .chzn-choices {
-  -webkit-box-shadow: 0 0 5px rgba(0,0,0,.3);
-  -moz-box-shadow   : 0 0 5px rgba(0,0,0,.3);
-  box-shadow        : 0 0 5px rgba(0,0,0,.3);
-  border: 1px solid #5897fb;
-}
-.chzn-container-active .chzn-choices .search-field input {
-  color: #111 !important;
-}
-/* @end */
-
-/* @group Disabled Support */
-.chzn-disabled {
-  cursor: default;
-  opacity:0.5 !important;
-}
-.chzn-disabled .chzn-single {
-  cursor: default;
-}
-.chzn-disabled .chzn-choices .search-choice .search-choice-close {
-  cursor: default;
-}
-
-/* @group Right to Left */
-.chzn-rtl { text-align: right; }
-.chzn-rtl .chzn-single { padding: 0 8px 0 0; overflow: visible; }
-.chzn-rtl .chzn-single span { margin-left: 26px; margin-right: 0; direction: rtl; }
-
-.chzn-rtl .chzn-single div { left: 3px; right: auto; }
-.chzn-rtl .chzn-single abbr {
-  left: 26px;
-  right: auto;
-}
-.chzn-rtl .chzn-choices .search-field input { direction: rtl; }
-.chzn-rtl .chzn-choices li { float: right; }
-.chzn-rtl .chzn-choices .search-choice { padding: 3px 5px 3px 19px; margin: 3px 5px 3px 0; }
-.chzn-rtl .chzn-choices .search-choice .search-choice-close { left: 4px; right: auto; background-position: right top;}
-.chzn-rtl.chzn-container-single .chzn-results { margin: 0 0 4px 4px; padding: 0 4px 0 0; }
-.chzn-rtl .chzn-results .group-option { padding-left: 0; padding-right: 15px; }
-.chzn-rtl.chzn-container-active .chzn-single-with-drop div { border-right: none; }
-.chzn-rtl .chzn-search input {
-  background: #fff url('chosen-sprite.png') no-repeat -38px -22px;
-  background: url('chosen-sprite.png') no-repeat -38px -22px, -webkit-gradient(linear, 0 0, 0 100%, color-stop(1%, #eeeeee), color-stop(15%, #ffffff));
-  background: url('chosen-sprite.png') no-repeat -38px -22px, -webkit-linear-gradient(top, #eeeeee 1%, #ffffff 15%);  
-  background: url('chosen-sprite.png') no-repeat -38px -22px, -moz-linear-gradient(top, #eeeeee 1%, #ffffff 15%);
-  background: url('chosen-sprite.png') no-repeat -38px -22px, -o-linear-gradient(top, #eeeeee 1%, #ffffff 15%);
-  background: url('chosen-sprite.png') no-repeat -38px -22px, linear-gradient(#eeeeee 1%, #ffffff 15%);
-  padding: 4px 5px 4px 20px;
-  direction: rtl;
-}
-/* @end */