fix for dropdown closing as soon as its opened in IE8. fixes #369. fixes #354

select2.js

@@ -972,13 +972,18 @@
                 });
             });
 
+            window.setTimeout(function() {
+                // this is done inside a timeout because IE will sometimes fire a resize event while opening
+                // the dropdown and that causes this handler to immediately close it. this way the dropdown
+                // has a chance to fully open before we start listening to resize events
                 $(window).bind(resize, function() {
                     var s2 = $(selector);
                     if (s2.length == 0) {
                         $(window).unbind(resize);
                     }
                     s2.select2("close");
-            });
+                })
+            }, 10);
 
             this.clearDropdownAlignmentPreference();