Attempt to fix single select click issue.

chosen/chosen.css

@@ -285,6 +285,8 @@ div.chzn-container-active a.chzn-single {
 div.chzn-container-active a.chzn-single-with-drop {
   border: 1px solid #BBB;
   border-width: 1px 1px 1px;
+  -moz-box-shadow:  0px 1px 0px #FFF inset;
+  -webkit-box-shadow:  0px 1px 0px #FFF inset;
   box-shadow: 0px 1px 0px #FFF inset;
   background: #EEE;
   background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0, white), color-stop(0.5, #eeeeee));

chosen/chosen.proto.js

@@ -96,7 +96,6 @@ Chosen.prototype = {
     if( !this.is_multiple ){
       this.search_container = this.container.down('div.chzn-search');
       this.selected_item = this.container.down('.chzn-single');
-      this.selected_item.observe("click", this.results_toggle.bindAsEventListener(this));
       var sf_width = (dd_width - get_side_border_padding(this.search_container) - get_side_border_padding(this.search_field));
       this.search_field.setStyle( {"width" : sf_width + "px"} );
     }
@@ -139,13 +138,17 @@ Chosen.prototype = {
   },
   
   container_click: function(evt){
-    if(evt && evt.type=="click"){ evt.preventDefault(); }
+    if(evt && evt.type=="click"){ evt.stop(); }
     if( !this.pending_destroy_click ){
       if(!this.active_field){
         if(this.is_multiple){ this.search_field.clear(); }
         document.observe("click", this.click_test_action);
         this.results_show();
       }
+      else if( !this.is_multiple  && evt && (evt.target === this.selected_item || evt.target.up("a.chzn-single"))){
+        this.results_show();
+      }
+      
       this.search_field.value = this.search_field.value;
       this.search_field.focus();
 
@@ -240,14 +243,6 @@ Chosen.prototype = {
     this.winnow_results();
   },
   
-  results_toggle: function(evt){
-    evt.preventDefault();
-    if( this.active_field ){
-      if( this.results_showing ){ this.results_hide(); }
-      else{ this.results_show(); }
-    }
-  },
-  
   results_hide: function(){
     if( !this.is_multiple ){ this.selected_item.removeClassName('chzn-single-with-drop'); }
     this.result_clear_highlight();