Blocker opacity

Set opacity of #mm-blocker with jQuery for IE<9 support

bower.json

@@ -1,7 +1,7 @@
 {
   "name": "jQuery.mmenu",
   "main": "src/js/jquery.mmenu.js",
-  "version": "4.1.2",
+  "version": "4.1.3",
   "homepage": "http://mmenu.frebsite.nl/",
   "authors": [
     "Fred Heusschen <[email protected]>"

mmenu.jquery.json

@@ -1,6 +1,6 @@
 {
 	"name": "mmenu",
-	"version": "4.1.2",
+	"version": "4.1.3",
 	"title": "jQuery mmenu",
 	"description": "A jQuery plugin that creates slick app look-alike sliding menus for your (mobile) website with horizontal or vertical submenus. It's easy to customize and has options for headers, labels, counters, a searchfield and more.",
 	"homepage": "http://mmenu.frebsite.nl",

src/js/jquery.mmenu.js

@@ -1,5 +1,5 @@
 /*	
- * jQuery mmenu v4.1.2
+ * jQuery mmenu v4.1.3
  * @requires jQuery 1.7.0 or later
  *
  * mmenu.frebsite.nl
@@ -16,7 +16,7 @@
 (function( $ ) {
 
 	var _PLUGIN_	= 'mmenu',
-		_VERSION_	= '4.1.2';
+		_VERSION_	= '4.1.3';
 
 
 	//	Plugin already excists
@@ -343,7 +343,9 @@
 
 			if ( !glbl.$blck )
 			{
-				glbl.$blck = $( '<div id="' + _c.blocker + '" />' ).appendTo( glbl.$body );
+				glbl.$blck = $( '<div id="' + _c.blocker + '" />' )
+					.css( 'opacity', 0 )
+					.appendTo( glbl.$body );
 			}
 
 			glbl.$blck