diff -r 000000000000 -r 52d30e6014a0 js/startup.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/startup.js	Mon Feb 09 09:20:01 2015 -0800
@@ -0,0 +1,63 @@
+/*######################################################################
+### YubiKey global namespace
+######################################################################*/
+var Y = {
+
+	// Information for the currently inserted key.
+	keyinfo: {},
+
+	// Declared windows, for easy referencing
+	window: {},
+
+
+	// Convert a string to hexadecimal.
+	//
+	toHex: function( string ) {
+		var hex = '';
+		for( var i = 0; i < string.length; i++ )
+			hex += string.charCodeAt(i).toString(16);
+		return hex;
+	},
+
+
+	// Return a random string of +length+.
+	//
+	randString: function( length ) {
+		var text = '';
+		var set  = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
+
+		for( var i = 0; i < length; i++ )
+			text += set.charAt( Math.floor(Math.random() * set.length) );
+		return text;
+	},
+
+
+	// Generic delayed callback that returns the timer handle.
+	//
+	delay: (function() {
+		var timer = null;
+		return function( callback, ms, clear_previous ) {
+			if ( clear_previous) clearTimeout( timer );
+			timer = setTimeout( callback, ms );
+			return timer;
+		};
+	})(),
+
+	// Stop the default webkit behavior (viewer) when you drag a file into a window.
+	//
+	disableDragDrop: function( window ) {
+		window.ondragover = function(e) { e.preventDefault(); return false };
+		window.ondrop     = function(e) { e.preventDefault(); return false };
+	},
+
+	// Node's filesystem interface.
+	fs: require( 'fs' ),
+
+	// Manage child processes.
+	spawn: require( 'child_process' ).spawn
+};
+
+
+// Make the 'Y' namespace available elsewhere.
+global.Y = Y;
+