diff --git a/lib/coder.js b/lib/coder.js
index d495acc..d7135f0 100644
--- a/lib/coder.js
+++ b/lib/coder.js
@@ -24,6 +24,7 @@ var ICEcoder = {
 	stickyTabWindow: false,		// Target variable for the sticky tab window
 	pluginIntervalRefs: [],		// Array of plugin interval refs
 	dragSrcEl: null,		// Tab element being dragged
+	ready: false,			// Indicates if ICEcoder is ready for action
 
 	// Don't consider these tags as part of nesting as they're singles, JS, PHP or Ruby code blocks
 	tagNestExceptions: ["!DOCTYPE","meta","link","img","br","hr","input","script","?php","?","%"],
@@ -63,6 +64,7 @@ var ICEcoder = {
 			tab.addEventListener('drop', ICEcoder.handleDrop, false);
 			tab.addEventListener('dragend', ICEcoder.handleDragEnd, false);
 		});
+		top.ICEcoder.ready = true;
 	},
 
 	// Set our layout according to the browser size
@@ -1155,13 +1157,15 @@ var ICEcoder = {
 	dragCursorTest: function() {
 		var winH;
 
-		window.innerWidth ? winH = window.innerHeight : winH = document.body.clientHeight;
-		if (!top.ICEcoder.mouseDown) {top.ICEcoder.draggingFilesW = false};
+		if (top.ICEcoder.ready) {
+			window.innerWidth ? winH = window.innerHeight : winH = document.body.clientHeight;
+			if (!top.ICEcoder.mouseDown) {top.ICEcoder.draggingFilesW = false};
 
-		if ((top.ICEcoder.mouseX > top.ICEcoder.filesW-7 && top.ICEcoder.mouseX < top.ICEcoder.filesW+7 && top.ICEcoder.mouseY > 40 && top.ICEcoder.mouseY < (winH-30)) || top.ICEcoder.draggingFilesW) {
-			top.document.body.style.cursor = top.ICEcoder.content.contentWindow.document.body.style.cursor = top.ICEcoder.filesFrame.contentWindow.document.body.style.cursor = "w-resize";
-		} else {
-			top.document.body.style.cursor = top.ICEcoder.content.contentWindow.document.body.style.cursor = top.ICEcoder.filesFrame.contentWindow.document.body.style.cursor = "auto";
+			if ((top.ICEcoder.mouseX > top.ICEcoder.filesW-7 && top.ICEcoder.mouseX < top.ICEcoder.filesW+7 && top.ICEcoder.mouseY > 40 && top.ICEcoder.mouseY < (winH-30)) || top.ICEcoder.draggingFilesW) {
+				top.document.body.style.cursor = top.ICEcoder.content.contentWindow.document.body.style.cursor = top.ICEcoder.filesFrame.contentWindow.document.body.style.cursor = "w-resize";
+			} else {
+				top.document.body.style.cursor = top.ICEcoder.content.contentWindow.document.body.style.cursor = top.ICEcoder.filesFrame.contentWindow.document.body.style.cursor = "auto";
+			}
 		}
 	},