diff --git a/demo/index.html b/demo/index.html
index f9493fd..42bc5dc 100644
--- a/demo/index.html
+++ b/demo/index.html
@@ -103,6 +103,6 @@
 		<!-- <script src="https://ajax.googleapis.com/ajax/libs/dojo/1.5/dojo/dojo.xd.js" type="text/javascript"></script> -->
 		
 		<!-- Flexie -->
-		<script src="/src/flexie.js" type="text/javascript"></script>
+		<script src="../src/flexie.js" type="text/javascript"></script>
 	</body>
 </html>
\ No newline at end of file
diff --git a/src/flexie.js b/src/flexie.js
index 631deea..bcca499 100755
--- a/src/flexie.js
+++ b/src/flexie.js
@@ -1067,14 +1067,14 @@ var Flexie = (function (win, doc) {
 		    isNested;
 		
 		while (parent.FLX_DOM_ID) {
-			obj = FLEX_BOXES[parent.FLX_DOM_ID];
-			matrix = createMatchMatrix(obj.children, sanitizeChildren(parent, parent.childNodes), NULL);
-			
-			totalFlex += matrix.total;
-			isNested = TRUE;
-			
-			parent = parent.parentNode;
-		}
+            if (FLEX_BOXES[parent.FLX_DOM_ID]) {
+                obj = FLEX_BOXES[parent.FLX_DOM_ID];
+                matrix = createMatchMatrix(obj.children, sanitizeChildren(parent, parent.childNodes), NULL);
+                totalFlex += matrix.total;
+                isNested = TRUE;
+            }
+            parent = parent.parentNode;
+        }
 		
 		return {
 			nested : isNested,
@@ -1548,11 +1548,13 @@ var Flexie = (function (win, doc) {
 							x = flexers[key][k];
 							max = NULL;
 							
-							for (m = 0, n = x.properties.length; m < n; m++) {
-								rule = x.properties[m];
+							if (x.properties) {
+								for (m = 0, n = x.properties.length; m < n; m++) {
+									rule = x.properties[m];
 
-								if ((RESTRICTIVE_PROPERTIES).test(rule.property)) {
-									max = parseFloat(rule.value);
+									if ((RESTRICTIVE_PROPERTIES).test(rule.property)) {
+										max = parseFloat(rule.value);
+									}
 								}
 							}
 							
@@ -1895,7 +1897,7 @@ var Flexie = (function (win, doc) {
 			while (parent) {
 				flex = FLEX_BOXES[parent.FLX_DOM_ID];
 				
-				if (flex) {
+				if (flex && flex.nodes) {
 					cleanPositioningProperties(flex.nodes);
 					self.setup(flex.target, flex.nodes, flex);
 				}
@@ -2028,7 +2030,7 @@ var Flexie = (function (win, doc) {
 	FLX.version = "1.0.3";
 
 	// Load when the DOM is ready
-	attachLoadMethod(FLX.init);
+	//attachLoadMethod(FLX.init);
 	
 	return FLX;
 }(this, document));
diff --git a/test/css/nested-grid-js.css b/test/css/nested-grid-js.css
new file mode 100644
index 0000000..593b8ac
--- /dev/null
+++ b/test/css/nested-grid-js.css
@@ -0,0 +1,33 @@
+/* set up stuff: */
+body, html {
+  width: 100%;
+  height: 100%;
+  padding: 0;
+  margin: 0;
+  font: normal 13px/16px "Helvetica Neue", Helvetica, Arial, sans-serif;
+}
+
+#box-wrap {
+  margin: 0 auto;
+  width: 70%;
+  height: 99%;
+  border: 1px solid #8ec1da;
+  background: #d9ecf5;
+}
+
+#box-wrap-inner div {
+  margin: 10px;
+  background: #f8f8f8;
+  border: 1px solid #8ec1da;
+  text-align: center;
+  line-height: 50px;
+}
+
+/* Sizing of flex-boxes: */
+#box-wrap-inner {
+  height: 100%;
+}
+
+#menu {
+  width: 200px;
+}
diff --git a/test/css/nested-grid.css b/test/css/nested-grid.css
new file mode 100644
index 0000000..0b27c11
--- /dev/null
+++ b/test/css/nested-grid.css
@@ -0,0 +1,48 @@
+/* set up stuff: */
+body, html {
+  width: 100%;
+  height: 100%;
+  padding: 0;
+  margin: 0;
+  font: normal 13px/16px "Helvetica Neue", Helvetica, Arial, sans-serif;
+}
+
+#box-wrap {
+  margin: 0 auto;
+  width: 70%;
+  height: 99%;
+  border: 1px solid #8ec1da;
+  background: #d9ecf5;
+}
+
+#box-wrap-inner div {
+  margin: 10px;
+  background: #f8f8f8;
+  border: 1px solid #8ec1da;
+  text-align: center;
+  line-height: 50px;
+}
+
+/* Sizing of flex-boxes: */
+#box-wrap-inner {
+  height: 100%;
+}
+
+#menu {
+  width: 200px;
+}
+
+/* Flexie specific styles: */
+#box-wrap-inner {
+  display: box;
+  box-orient: vertical;
+}
+
+#box-2 {
+  box-flex: 1;
+  display: box;
+}
+
+#main {
+  box-flex: 1;
+}
diff --git a/test/nested-grid-js.html b/test/nested-grid-js.html
new file mode 100644
index 0000000..871ec2b
--- /dev/null
+++ b/test/nested-grid-js.html
@@ -0,0 +1,37 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+    <title>Flexie grid</title>
+    <!--[if lte IE 8]><script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script><![endif]-->
+    <link rel="stylesheet" href="css/nested-grid-js.css" type="text/css" />
+  </head>
+  <body>
+    <div id="box-wrap">
+      <div id="box-wrap-inner">
+        <div id="box-1">Box 1</div>
+        <div id="box-2">
+          <div id="menu">menu</div>
+          <div id="main">main</div>
+        </div>
+        <div id="box-3">Box 3</div>
+      </div>
+    </div>
+    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.3/jquery.min.js" type="text/javascript"></script>
+    <script src="../src/flexie.js" type="text/javascript"></script>
+    <script>
+window.setTimeout(function () {
+  var box = new Flexie.box({
+      target : document.getElementById("box-wrap-inner"),
+      orient : "vertical",
+      flexMatrix : [0, 1, 0]
+  });
+
+  var inner = new Flexie.box({
+      target : document.getElementById("box-2"),
+      flexMatrix : [0, 1]
+  });
+}, 1000);
+    </script>
+  </body>
+</html>
diff --git a/test/nested-grid.html b/test/nested-grid.html
new file mode 100644
index 0000000..d2e4846
--- /dev/null
+++ b/test/nested-grid.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+    <title>Flexie grid</title>
+    <!--[if lte IE 8]><script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script><![endif]-->
+    <link rel="stylesheet" href="css/nested-grid.css" type="text/css" />
+  </head>
+  <body>
+    <div id="box-wrap">
+      <div id="box-wrap-inner">
+        <div id="box-1">Box 1</div>
+        <div id="box-2">
+          <div id="menu">menu</div>
+          <div id="main">main</div>
+        </div>
+        <div id="box-3">Box 3</div>
+      </div>
+    </div>
+    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.3/jquery.min.js" type="text/javascript"></script>
+    <script src="../src/flexie.js" type="text/javascript"></script>
+  </body>
+</html>