diff --git a/CHANGES b/CHANGES
index e52d6be..65b51bd 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,5 +1,9 @@
 Glow Changelog
 
+1.7.8
+
+* glow.dom - Switched IE browser detection for feature detection so opacity works in IE 10
+
 1.7.7
 
 * glow.widgets.AutoSuggest - Fix bug that appeared when escaping the textfield after entering no text.
diff --git a/build.properties b/build.properties
index e00c63a..ee36493 100644
--- a/build.properties
+++ b/build.properties
@@ -1,3 +1,3 @@
 LINE=1.7
-VERSION=1.7.7
-CSSVERSION=177
+VERSION=1.7.8
+CSSVERSION=178
diff --git a/src/dom/dom.js b/src/dom/dom.js
index 3c23999..8c7321a 100755
--- a/src/dom/dom.js
+++ b/src/dom/dom.js
@@ -2845,7 +2845,10 @@
 						if (typeof val == "number" && hasUnits.test(originalProp)) {
 							val = val.toString() + "px";
 						}
-						if (prop == "opacity" && env.ie) {
+
+						// Use feature detection to support older IEs
+						// http://blogs.msdn.com/b/ie/archive/2010/08/17/ie9-opacity-and-alpha.aspx
+						if (prop == "opacity" && typeof document.createElement("div").style.opacity == 'undefined') {
 							//in IE the element needs hasLayout for opacity to work
 							thisStyle.zoom = "1";
 							if (val === "") {
diff --git a/src/map.js b/src/map.js
index 91f2884..2788457 100755
--- a/src/map.js
+++ b/src/map.js
@@ -184,6 +184,10 @@ gloader.map.add(
     {
         $version: "1.7.7"
     }
+    ,
+    {
+        $version: "1.7.8"
+    }
 );
 
 })(); // end closure