Wow, I remember making this.. back in 2001? Like my Britney Spears reference on line 25?

annoy.js

var isIE = document.all?true:false;
var isNS4 = document.layers?true:false;
var isNS6 = (document.getElementById&&!document.all)?true:false;

if (isNS4) document.onkeydown = getKey;

document.onselectstart = falseReturn;
document.oncontextmenu = falseReturn;

var height = 300;
var width = 300;

var isPopup = false;
var popupMover;

function trueReturn() { return true; }
function falseReturn() { return false; }

annoyTxtList = new Array("CATCH ME IF YOU CAN",
                         "LET'S JUST BE FRIENDS",
                         "WHAZZZUP",
                         "TALK TO THE HAND",
                         "LOOK BEHIND YOU",
                         "OOPS I DID IT AGAIN");

var annoyTxt = annoyTxtList[0];

function getRandomPos(axis) {
  screenW = window.screen.availWidth;
  screenH = window.screen.availHeight;

  if (!isIE) {
    winW = window.innerWidth;
    winH = window.innerHeight;
  }
  if (isIE) {
    winW = document.body.offsetWidth;
    winH = document.body.offsetHeight;
  }
	
  if (axis == 0) return Math.floor((screenW - width) * Math.random());
  else return Math.floor((screenH - height) * Math.random());
}

function moveWindow(e) {
  self.moveTo(getRandomPos(0), getRandomPos(1));
}

function popup() {
  var str = "height=" + height + ",innerHeight=" + height;
  str += ",width=" + width + ",innerWidth=" + width;
  str += ",left=" + getRandomPos(0) + ",screenX=" + getRandomPos(0);
  str += ",top=" + getRandomPos(1) + ",screenY=" + getRandomPos(1);

  var annoyPopup = window.open('annoy.asp', 'popup' + String(Math.floor(Math.random()*1000)), str);
}

function initLauncher() {
  window.moveTo(0,0);

  if (document.all) {
    top.window.resizeTo(screen.availWidth,screen.availHeight);
  } else if (document.layers||document.getElementById) {
    if (top.window.outerHeight < screen.availHeight || top.window.outerWidth < screen.availWidth) {
      top.window.outerHeight = screen.availHeight;
      top.window.outerWidth = screen.availWidth;
    }
  }
  popup();
}

function getKey(keyStroke) {
  if (isNS6) eventChooser = keyStroke.which;
  else if (isIE) eventChooser = event.keyCode;
  else eventChooser = keyStroke.which;

  theKey = String.fromCharCode(eventChooser).toLowerCase();

  if (theKey == 'p') {
    if (isPopup) {
      document.body.onunload = falseReturn;
      self.close();
    }
  } else if (theKey == 'q') {
    alert("You didn't think 'q' would actually close the popup, did you?? That just wouldn't be annoying enough.\nWell, if you keep trying maybe you'll find the letter that closes the popups...");
    popup();popup();popup();popup();
  } else {
    popup();
  }
}

function startPopupMover() {
  document.bgColor = "#FF00FF";
  moveWindow();
  popupMover = setInterval(moveWindow, 500);
  document.onmousemove = pausePopupMover;
  //document.onmousemove = moveWindow;
}

function pausePopupMover() {
  document.bgColor = "#00FFFF";
  document.onmousemove = falseReturn;
  clearInterval(popupMover);
  popupMover = setTimeout(startPopupMover, 50);
}


function doOnunload() {
  popup();popup();
}

function doOnunload2() {
  popup();popup();popup();popup();popup();
}

function doCursor(type) {
  if (document.all) {
    document.all("annoy").style.cursor = type;
  }
}