var KEYCODE_ENTER		= 13;
var KEYCODE_SPACE		= 32;
var KEYCODE_ESCAPE		= 27;
var KEYCODE_UP			= 38;
var KEYCODE_DOWN		= 40;
var KEYCODE_PAGEUP		= 33;
var KEYCODE_PAGEDOWN	= 34;
var KEYCODE_LEFT		= 37;
var KEYCODE_RIGHT		= 39;
var KEYCODE_HOME		= 36;
var KEYCODE_END			= 35;
var KEYCODE_TAB			= 9;
var KEYCODE_F2			= 113;