var who;var ESC=27;var TAB=9;var ALT=18;var UP=38;var DOWN=40;var LEFT=37;var RIGHT=39;var ENTER=13;var SHIFT=16;var lastKey=0;
function keyDown(e){var pK = document.all? window.event.keyCode:e.which; 
var pK2 = String.fromCharCode(pK).toLowerCase(); lastKey=pK; if(who!=null){who(pK, pK2);}}
function keysInit(callback){ document.onkeydown = keyDown; who=callback; 
if (document.layers) {document.captureEvents(Event.KEYPRESS);} }
function noEnter(){return lastKey!=ENTER;}