var PreferredFontSizeCookieName = "PreferredFontSize";

var KeyCode_Enter = 13;
var KeyCode_PageUp = 33;
var KeyCode_PageDown = 34;
var KeyCode_End = 35;
var KeyCode_Home = 36;
var KeyCode_ArrowLeft = 37;
var KeyCode_ArrowUp = 38;
var KeyCode_ArrowRight = 39;
var KeyCode_ArrowDown = 40;