// JavaScript Document


var imgElement;
var path;
var mainName;
var count = 0;
var inFocus = false;


// Quietly add event listner to fix protected picture

addEvent(window, "load", onLoad, false);


function onLoad() {
  inFocus = true;
	
  addEvent(window, "focus",    onFocus,   false);
  addEvent(window, "blur",     lostFocus, false);
  addEvent(window, "keydown",  keyDown,   false);
  addEvent(window, "keyup",    keyUp,     false);
  addEvent(window, "unload",   unLoad,    false);

	fixBodyForIE();

  if (findPhoto()) {
    imgElement.src         = getPhoto();
    imgElement.onmouseover = function() {imgElement.src = getCRPhoto();}
    imgElement.onmousedown = function() {imgElement.src = getCRPhoto();}
    imgElement.onmouseout  = function() {imgElement.src = inFocus ? getPhoto() : getCRPhoto();}		
    }
  }


function fixBodyForIE() {
var bdy = document.getElementsByTagName("body");

	for (var i = 0; i < bdy.length; i++) {
		var b = bdy[i];

		b.onkeydown = keyDown;
		b.onkeyup   = keyUp;
		b.onblur    = lostFocus;
		b.onfocus   = onFocus;
		}
	}


function unLoad() {
  removeEvent(window, "load",     onLoad,    false);
  removeEvent(window, "focus",    onFocus,   false);
  removeEvent(window, "blur",     lostFocus, false);
  removeEvent(window, "keydown",  keyDown,   false);
  removeEvent(window, "keyup",    keyUp,     false);
  removeEvent(window, "unload",   unLoad,    false);
  }


function addEvent(elem, evtType, func, capture) {
  capture = capture ? capture : false;

  if (elem.addEventListener) elem.addEventListener(evtType, func, capture);
  else if (elem.attachEvent) elem.attachEvent("on" + evtType, func);
  else                       elem["on" + evtType] = func;
  }


function removeEvent(elem, evtType, func, capture) {
  capture = capture ? capture : false;

  if (elem.addEventListener) elem.removeEventListener(evtType, func, capture);
  else if (elem.attachEvent) elem.detachEvent("on" + evtType, func);
  else elem["on" + evtType] = null;
  }


function keyDown(event) {
  var ev = event || window.event;

  if (ev.altKey || ev.ctrlKey || ev.shiftKey || ev.metaKey) dspCopyright();
  else dspClean();

  if (ev.keyCode == 18) {
		if (ev.stopPropagation) ev.stopPropagation();
		return false;
		}
	return true;
  }



function keyUp(event) {
  var ev = event || window.event;

  if (ev.altKey || ev.ctrlKey || ev.shiftKey || ev.metaKey) dspCopyright();
  else dspClean();

  if (ev.keyCode == 18) {
		if (ev.stopPropagation) ev.stopPropagation();
		return false;
		}
	return true;
  }


// Add mouseover and mouse down event handlers

function onFocus()   {dspClean();     inFocus = true;}
function lostFocus() {dspCopyright(); inFocus = false;}


function dspCopyright() {if (findPhoto()) imgElement.src = getCRPhoto();}
function dspClean()     {if (findPhoto()) imgElement.src = getPhoto();}


function findPhoto() {
var name;
var mainNameIndex;
var endPath;
var endMainName;

  if (imgElement == null) {           // undefined or null

    imgElement = null;                // null!

    var images = document.getElementsByTagName("img");

    for (var i = 0; i < images.length; i++) {
      var image = images[i];
      if (image.id == "Photo") {imgElement = image; break;}
      }

    name = imgElement.src;  
    mainNameIndex = name.lastIndexOf("/") + 1;
    endMainName   = name.lastIndexOf("CR.jpg");
    path = name.slice(0, mainNameIndex - 1); 
    endPath = path.lastIndexOf("/") + 1;
    path = path.slice(0, endPath);		
    mainName = name.slice(mainNameIndex, endMainName);
    }

  return imgElement != null;
  }


function getCRPhoto() {return path + "Graphics/" + mainName + "CR.jpg";}

function getPhoto()   {return path + "X/" + mainName + ".jpg";}

// Display Browser data

function illuminate() {dspObj("Browser", navigator);}


function dspObj(name, obj) {
var i     =  0;
var limit = 20;
var j     =  0;
var stg;

  if (obj == null) {alert(name + " is " + obj); return;}

  for (var propname in obj) {
    if (i == 0) stg = name + " Info(" + ++j + ")\n";

    stg += propname + ": " + obj[propname] + "\n";

    if (i++ >= limit) {i = 0; if (!confirm(stg)) return;}
    }

  if (i) alert(stg);
  }