/* bundlua @ 2007-09-18 01:12:25 */

/* --- x.js --- */
// x.js
// X v3.14.1, Cross-Browser DHTML Library from Cross-Browser.com
// Copyright (c) 2002,2003 Michael Foster (mike@cross-browser.com)
// This library is distributed under the terms of the LGPL (gnu.org)

// Variables:
var xVersion='3.14.1',xOp7=false,xOp5or6=false,xIE4Up=false,xNN4=false,xUA=navigator.userAgent.toLowerCase();
if(window.opera){
  xOp7=(xUA.indexOf('opera 7')!=-1 || xUA.indexOf('opera/7')!=-1);
  if (!xOp7) xOp5or6=(xUA.indexOf('opera 5')!=-1 || xUA.indexOf('opera/5')!=-1 || xUA.indexOf('opera 6')!=-1 || xUA.indexOf('opera/6')!=-1);
}
else if(document.layers) {xNN4=true;}
else {xIE4Up=document.all && xUA.indexOf('msie')!=-1 && parseInt(navigator.appVersion)>=4;}
// Object:
function xGetElementById(e) {
  if(typeof(e)!='string') return e;
  if(document.getElementById) e=document.getElementById(e);
  else if(document.all) e=document.all[e];
  else if(document.layers) e=xLayer(e);
  else e=null;
  return e;
}
function xParent(e,bNode){
  if (!(e=xGetElementById(e))) return null;
  var p=null;
  if (!bNode && xDef(e.offsetParent)) p=e.offsetParent;
  else if (xDef(e.parentNode)) p=e.parentNode;
  else if (xDef(e.parentElement)) p=e.parentElement;
  else if (xDef(e.parentLayer)){if (e.parentLayer!=window) p=e.parentLayer;}
  return p;
}
function xDef() {
  for(var i=0; i<arguments.length; ++i){if(typeof(arguments[i])=='undefined') return false;}
  return true;
}
function xStr(s) {
  return typeof(s)=='string';
}
function xNum(n) {
  return typeof(n)=='number';
}
// Appearance:
function xShow(e) {
  if(!(e=xGetElementById(e))) return;
  if(e.style && xDef(e.style.visibility)) e.style.visibility='visible';
  else if(xDef(e.visibility)) e.visibility='show';
}
function xHide(e) {
  if(!(e=xGetElementById(e))) return;
  if(e.style && xDef(e.style.visibility)) e.style.visibility='hidden';
  else if(xDef(e.visibility)) e.visibility='hide';
}
function xZIndex(e,uZ) {
  if(!(e=xGetElementById(e))) return 0;
  if(e.style && xDef(e.style.zIndex)) {
    if(xNum(uZ)) e.style.zIndex=uZ;
    uZ=parseInt(e.style.zIndex);
  }
  else if(xDef(e.zIndex)) {
    if(xNum(uZ)) e.zIndex=uZ;
    uZ=e.zIndex;
  }
  return uZ;
}
function xColor(e,sColor) {
  if(!(e=xGetElementById(e))) return '';
  var c='';
  if(e.style && xDef(e.style.color)) {
    if(xStr(sColor)) e.style.color=sColor;
    c=e.style.color;
  }
  return c;
}
function xBackground(e,sColor,sImage) {
  if(!(e=xGetElementById(e))) return '';
  var bg='';
  if(e.style) {
    if(xStr(sColor)) {
      if(!xOp5or6) e.style.backgroundColor=sColor;
      else e.style.background=sColor;
    }
    if(xStr(sImage)) e.style.backgroundImage=(sImage!='')? 'url('+sImage+')' : null;
    if(!xOp5or6) bg=e.style.backgroundColor;
    else bg=e.style.background;
  }
  else if(xDef(e.bgColor)) {
    if(xStr(sColor)) e.bgColor=sColor;
    bg=e.bgColor;
    if(xStr(sImage)) e.background.src=sImage;
  }
  return bg;
}
// Position:
function xMoveTo(e,iX,iY) {
  xLeft(e,iX);
  xTop(e,iY);
}
function xLeft(e,iX) {
  if(!(e=xGetElementById(e))) return 0;
  var css=xDef(e.style);
  if (css && xStr(e.style.left)) {
    if(xNum(iX)) e.style.left=iX+'px';
    else {
      iX=parseInt(e.style.left);
      if(isNaN(iX)) iX=0;
    }
  }
  else if(css && xDef(e.style.pixelLeft)) {
    if(xNum(iX)) e.style.pixelLeft=iX;
    else iX=e.style.pixelLeft;
  }
  else if(xDef(e.left)) {
    if(xNum(iX)) e.left=iX;
    else iX=e.left;
  }
  return iX;
}
function xTop(e,iY) {
  if(!(e=xGetElementById(e))) return 0;
  var css=xDef(e.style);
  if(css && xStr(e.style.top)) {
    if(xNum(iY)) e.style.top=iY+'px';
    else {
      iY=parseInt(e.style.top);
      if(isNaN(iY)) iY=0;
    }
  }
  else if(css && xDef(e.style.pixelTop)) {
    if(xNum(iY)) e.style.pixelTop=iY;
    else iY=e.style.pixelTop;
  }
  else if(xDef(e.top)) {
    if(xNum(iY)) e.top=iY;
    else iY=e.top;
  }
  return iY;
}
function xPageX(e) {
  if (!(e=xGetElementById(e))) return 0;
  if (xDef(e.pageX)) return e.pageX;
  var x = 0;
  while (e) {
    if (xDef(e.offsetLeft)) x += e.offsetLeft;
    e = xDef(e.offsetParent) ? e.offsetParent : null;
  }
  return x;
}
function xPageY(e) {
  if (!(e=xGetElementById(e))) return 0;
  if (xDef(e.pageY)) return e.pageY;
  var y = 0;
  while (e) {
    if (xDef(e.offsetTop)) y += e.offsetTop;
    e = xDef(e.offsetParent) ? e.offsetParent : null;
  }
//  if (xOp7) return y - document.body.offsetTop; // v3.14, temporary hack for opera bug 130324
  return y;
}
function xOffsetLeft(e) { // v3.14, see x_nn4.js
  if (!(e=xGetElementById(e))) return 0;
  if (xDef(e.offsetLeft)) return e.offsetLeft;
  else return 0;
}
function xOffsetTop(e) {
  if (!(e=xGetElementById(e))) return 0;
  if (xDef(e.offsetTop)) return e.offsetTop;
  else return 0;
}
function xScrollLeft(e) {
  var offset=0;
  if (!(e=xGetElementById(e))) {
    if(xDef(window.pageXOffset)) offset=window.pageXOffset;
    else if(document.documentElement && document.documentElement.scrollLeft) offset=document.documentElement.scrollLeft;
    else if(document.body && xDef(document.body.scrollLeft)) offset=document.body.scrollLeft;
  }
  else { if (xNum(e.scrollLeft)) offset = e.scrollLeft; }
  return offset;
}
function xScrollTop(e) {
  var offset=0;
  if (!(e=xGetElementById(e))) {
    if(xDef(window.pageYOffset)) offset=window.pageYOffset;
    else if(document.documentElement && document.documentElement.scrollTop) offset=document.documentElement.scrollTop;
    else if(document.body && xDef(document.body.scrollTop)) offset=document.body.scrollTop;
  }
  else { if (xNum(e.scrollTop)) offset = e.scrollTop; }
  return offset;
}
// Size:
function xResizeTo(e,uW,uH) {
  xWidth(e,uW);
  xHeight(e,uH);
}
function xWidth(e,uW) {
  if(!(e=xGetElementById(e))) return 0;
  if (xNum(uW)) { // v3.13.1
    if (uW<0) uW = 0;
    else uW=Math.round(uW);
  }
  else uW=0;
  var css=xDef(e.style);
  if(css && xDef(e.offsetWidth) && xStr(e.style.width)) {
    if(uW) xSetCW(e, uW);
    uW=e.offsetWidth;
  }
  else if(css && xDef(e.style.pixelWidth)) {
    if(uW) e.style.pixelWidth=uW;
    uW=e.style.pixelWidth;
  }
  else if(xDef(e.clip) && xDef(e.clip.right)) {
    if(uW) e.clip.right=uW;
    uW=e.clip.right;
  }
  return uW;
}
function xHeight(e,uH) {
  if(!(e=xGetElementById(e))) return 0;
  if (xNum(uH)) { // v3.13.1
    if (uH<0) uH = 0;
    else uH=Math.round(uH);
  }
  else uH=0;
  var css=xDef(e.style);
  if(css && xDef(e.offsetHeight) && xStr(e.style.height)) {
    if(uH) xSetCH(e, uH);
    uH=e.offsetHeight;
  }
  else if(css && xDef(e.style.pixelHeight)) {
    if(uH) e.style.pixelHeight=uH;
    uH=e.style.pixelHeight;
  }
  else if(xDef(e.clip) && xDef(e.clip.bottom)) {
    if(uH) e.clip.bottom=uH;
    uH=e.clip.bottom;
  }
  return uH;
}
function xGetCS(ele,sP){return parseInt(document.defaultView.getComputedStyle(ele,'').getPropertyValue(sP));}
function xSetCW(ele,uW){
  var pl=0,pr=0,bl=0,br=0;
  if(xDef(document.defaultView) && xDef(document.defaultView.getComputedStyle)){
    pl=xGetCS(ele,'padding-left');
    pr=xGetCS(ele,'padding-right');
    bl=xGetCS(ele,'border-left-width');
    br=xGetCS(ele,'border-right-width');
  }
  else if(xDef(ele.currentStyle,document.compatMode)){
    if(document.compatMode=='CSS1Compat'){
      pl=parseInt(ele.currentStyle.paddingLeft);
      pr=parseInt(ele.currentStyle.paddingRight);
      bl=parseInt(ele.currentStyle.borderLeftWidth);
      br=parseInt(ele.currentStyle.borderRightWidth);
    }
  }
  else if(xDef(ele.offsetWidth,ele.style.width)){ // ?
    ele.style.width=uW+'px';
    pl=ele.offsetWidth-uW;
  }
  if(isNaN(pl)) pl=0; if(isNaN(pr)) pr=0; if(isNaN(bl)) bl=0; if(isNaN(br)) br=0;
  var cssW=uW-(pl+pr+bl+br);
  if(isNaN(cssW)||cssW<0) return;
  else ele.style.width=cssW+'px';
}
function xSetCH(ele,uH){
  var pt=0,pb=0,bt=0,bb=0;
  if(xDef(document.defaultView) && xDef(document.defaultView.getComputedStyle)){
    pt=xGetCS(ele,'padding-top');
    pb=xGetCS(ele,'padding-bottom');
    bt=xGetCS(ele,'border-top-width');
    bb=xGetCS(ele,'border-bottom-width');
  }
  else if(xDef(ele.currentStyle,document.compatMode)){
    if(document.compatMode=='CSS1Compat'){
      pt=parseInt(ele.currentStyle.paddingTop);
      pb=parseInt(ele.currentStyle.paddingBottom);
      bt=parseInt(ele.currentStyle.borderTopWidth);
      bb=parseInt(ele.currentStyle.borderBottomWidth);
    }
  }
  else if(xDef(ele.offsetHeight,ele.style.height)){ // ?
    ele.style.height=uH+'px';
    pt=ele.offsetHeight-uH;
  }
  if(isNaN(pt)) pt=0; if(isNaN(pb)) pb=0; if(isNaN(bt)) bt=0; if(isNaN(bb)) bb=0;
  var cssH=uH-(pt+pb+bt+bb);
  if(isNaN(cssH)||cssH<0) return;
  else ele.style.height=cssH+'px';
}
function xClip(e,iTop,iRight,iBottom,iLeft) {
  if(!(e=xGetElementById(e))) return;
  if(e.style) {
    if (xNum(iLeft)) e.style.clip='rect('+iTop+'px '+iRight+'px '+iBottom+'px '+iLeft+'px)';
    else e.style.clip='rect(0 '+parseInt(e.style.width)+'px '+parseInt(e.style.height)+'px 0)';
  }
  else if(e.clip) {
    if (xNum(iLeft)) { e.clip.top=iTop; e.clip.right=iRight; e.clip.bottom=iBottom; e.clip.left=iLeft; }
    else { e.clip.top=0; e.clip.right=xWidth(e); e.clip.bottom=xHeight(e); e.clip.left=0; }
  }
}
// Window:
function xClientWidth() {
  var w=0;
  if(xOp5or6) w=window.innerWidth;
  else if(!window.opera && document.documentElement && document.documentElement.clientWidth) // v3.12
    w=document.documentElement.clientWidth;
  else if(document.body && document.body.clientWidth)
    w=document.body.clientWidth;
  else if(xDef(window.innerWidth,window.innerHeight,document.height)) {
    w=window.innerWidth;
    if(document.height>window.innerHeight) w-=16;
  }
  return w;
}
function xClientHeight() {
  var h=0;
  if(xOp5or6) h=window.innerHeight;
  else if(!window.opera && document.documentElement && document.documentElement.clientHeight) // v3.12
    h=document.documentElement.clientHeight;
  else if(document.body && document.body.clientHeight)
    h=document.body.clientHeight;
  else if(xDef(window.innerWidth,window.innerHeight,document.width)) {
    h=window.innerHeight;
    if(document.width>window.innerWidth) h-=16;
  }
  return h;
}
// Animation:
function xSlideTo(e,x,y,uTime) {
  if (!(e=xGetElementById(e))) return;
  if (!e.timeout) e.timeout = 25;
  e.xTarget = x; e.yTarget = y; e.slideTime = uTime; e.stop = false;
  e.yA = e.yTarget - xTop(e); e.xA = e.xTarget - xLeft(e); // A = distance
  e.B = Math.PI / (2 * e.slideTime); // B = period
  e.yD = xTop(e); e.xD = xLeft(e); // D = initial position
  var d = new Date(); e.C = d.getTime();
  if (!e.moving) xSlide(e);
}
function xSlide(e) {
  if (!(e=xGetElementById(e))) return;
  var now, s, t, newY, newX;
  now = new Date();
  t = now.getTime() - e.C;
  if (e.stop) { e.moving = false; }
  else if (t < e.slideTime) {
    setTimeout("xSlide('"+e.id+"')", e.timeout);
    s = Math.sin(e.B * t);
    newX = Math.round(e.xA * s + e.xD);
    newY = Math.round(e.yA * s + e.yD);
    xMoveTo(e, newX, newY);
    e.moving = true;
  }  
  else {
    xMoveTo(e, e.xTarget, e.yTarget);
    e.moving = false;
  }  
}
// Event:
function xAddEventListener(e,eventType,eventListener,useCapture) {
  if(!(e=xGetElementById(e))) return;
  eventType=eventType.toLowerCase();
  if((!xIE4Up && !xOp7) && e==window) {
    if(eventType=='resize') { window.xPCW=xClientWidth(); window.xPCH=xClientHeight(); window.xREL=eventListener; xResizeEvent(); return; }
    if(eventType=='scroll') { window.xPSL=xScrollLeft(); window.xPST=xScrollTop(); window.xSEL=eventListener; xScrollEvent(); return; }
  }
  var eh='e.on'+eventType+'=eventListener';
  if(e.addEventListener) e.addEventListener(eventType,eventListener,useCapture);
  else if(e.attachEvent) e.attachEvent('on'+eventType,eventListener);
  else if(e.captureEvents) {
    if(useCapture||(eventType.indexOf('mousemove')!=-1)) { e.captureEvents(eval('Event.'+eventType.toUpperCase())); }
    eval(eh);
  }
  else eval(eh);
}
function xRemoveEventListener(e,eventType,eventListener,useCapture) {
  if(!(e=xGetElementById(e))) return;
  eventType=eventType.toLowerCase();
  if((!xIE4Up && !xOp7) && e==window) {
    if(eventType=='resize') { window.xREL=null; return; }
    if(eventType=='scroll') { window.xSEL=null; return; }
  }
  var eh='e.on'+eventType+'=null';
  if(e.removeEventListener) e.removeEventListener(eventType,eventListener,useCapture);
  else if(e.detachEvent) e.detachEvent('on'+eventType,eventListener);
  else if(e.releaseEvents) {
    if(useCapture||(eventType.indexOf('mousemove')!=-1)) { e.releaseEvents(eval('Event.'+eventType.toUpperCase())); }
    eval(eh);
  }
  else eval(eh);
}
function xEvent(evt) { // cross-browser event object prototype
  this.type = '';
  this.target = null;
  this.pageX = 0;
  this.pageY = 0;
  this.offsetX = 0;
  this.offsetY = 0;
  this.keyCode = 0;
  var e = evt ? evt : window.event;
  if(!e) return;
  if(e.type) this.type = e.type;
  if(e.target) this.target = e.target;
  else if(e.srcElement) this.target = e.srcElement;
  else if(xNN4) this.target = xLayerFromPoint(e.pageX, e.pageY);
  if(xOp5or6) { this.pageX = e.clientX; this.pageY = e.clientY; }
  else if(xDef(e.pageX,e.pageY)) { this.pageX = e.pageX; this.pageY = e.pageY; } // v3.14
  else if(xDef(e.clientX,e.clientY)) { this.pageX = e.clientX + xScrollLeft(); this.pageY = e.clientY + xScrollTop(); }
  if(xDef(e.offsetX,e.offsetY)) { this.offsetX = e.offsetX; this.offsetY = e.offsetY; }
  else if(xDef(e.layerX,e.layerY)) { this.offsetX = e.layerX; this.offsetY = e.layerY; }
  else { this.offsetX = this.pageX - xPageX(this.target); this.offsetY = this.pageY - xPageY(this.target); }
  if (e.keyCode) { this.keyCode = e.keyCode; } // for moz/fb, if keyCode==0 use which
  else if (xDef(e.which)) { this.keyCode = e.which; }
}
function xResizeEvent() { // window resize event simulation
  if (window.xREL) setTimeout('xResizeEvent()', 250);
  var cw = xClientWidth(), ch = xClientHeight();
  if (window.xPCW != cw || window.xPCH != ch) { window.xPCW = cw; window.xPCH = ch; if (window.xREL) window.xREL(); }
}
function xScrollEvent() { // window scroll event simulation
  if (window.xSEL) setTimeout('xScrollEvent()', 250);
  var sl = xScrollLeft(), st = xScrollTop();
  if (window.xPSL != sl || window.xPST != st) { window.xPSL = sl; window.xPST = st; if (window.xSEL) window.xSEL(); }
}
// end x.js




/* --- util-books.js --- */
/* book utilities */

/* Stack up window.onload event using this function from Simon Willison - http://www.sitepoint.com/blog-post-view.php?id=171578 */

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

/*old popup code*/

buttonClicked=false;
function myOpenWindow() {
    myWindowHandle = window.open('about:blank','myWindowName','width=450,height=421');
}

 /* popup window generating code */
function acpopup(strURL,strType,strHeight,strWidth) {
var strOptions="";
if (strType=="console") strOptions="resizable,scrollbars,status,height="+strHeight+",width="+strWidth;
if (strType=="fixed") strOptions="resizable,scrollbars,status,height="+strHeight+",width="+strWidth;
if (strType=="elastic") strOptions="resizable,scrollbars,status,height="+strHeight+",width="+strWidth;
window.open(strURL, '', strOptions);
}


/* unobtrusive popup code [PROBABLY REDUNDENT] */

/* XHTML target attribute */
function windowLinks() {
    if(!document.getElementsByTagName) {
         return;
    }

    var anchors = document.getElementsByTagName("a");
    for (var i = 0; i < anchors.length; i++) {
         var anchor = anchors[i];
         var relIndex = anchor.rel;
		 if (relIndex){
		 var relSplit = relIndex.split("|");
		 /* XHTML compliant target attribute */
		 if (relSplit[0] == "external")
            anchor.target = "_blank";
		/* XHTML compliant popup attribute */
   			else if (relSplit[0] == "popup") {
				anchor.popupWidth = relSplit[1];
				anchor.popupHeight = relSplit[2];
	      anchor.popupMode = relSplit[3] ? relSplit[3] : 'console';
	      anchor.onclick = function() {acpopup(this.href,this.popupMode,this.popupWidth,this.popupHeight);return false;};
			}
		}
	   }
}




/* OLD POPUP INITIALISATION CODE
addLoadEvent(function() {
	windowLinks();
});
*/




/* NEW POPUP INITIALISATION CODE based on document click handler to bypass load dependency
   this probably makes the windowLinks() function redundent,
   but I'm leaving it there just in case it's used elsewhere

   This code uses an unencapsulated document.onclick handler, which is necessary
   because it's the only way to suppress the default action in bloody Safari */
document.onclick = function(e)
{
	//get event node node reference
	var node = e ? e.target : window.event.srcElement;

	//iterate upwards from event node until we find a link
	//but abandon iteration and return true on the link
	//if we run out of nodes (because we're already at the body) or reach the body
	while(node.nodeName.toLowerCase() != 'a')
	{
		if(!node.parentNode) { return true; }
		else if(node.nodeName.toLowerCase() == 'body') { return true; }
		else { node = node.parentNode; }
	}

	//if we got this far we have a link reference
	//so look for the rel attribute to get popup information
	if(node.getAttribute('rel'))
	{
		//split for data
		var rel = node.rel.split('|');

		//there's no such thing as an XHTML compliant target attribute
		//but ho hum, better preserve the functionality anyway [for now ;)]
		if (rel[0] == 'external')
		{
			node.target = '_blank';
			return true;
		}

		//if we have popup data, create the popup and don't follow the regular link
		else if(rel[0] == 'popup')
		{
			// logging via remote scripting
			var now = new Date(), uid = now.getTime() + '-' + now.getMilliseconds() + '-' + Math.floor(Math.random() * 10000000);
			var popupzone = '', popupid = '';
			if(node.href.indexOf('?') != -1)
			{
				var params = node.href.split('?')[1].split('&'), info = {};
				for(var i=0; i<params.length; i++)
				{
					params[i] = params[i].split('=');
					info[params[i][0]] = params[i][1];
				}
				for(i in info)
				{
					if(i == 'popupzone' || i == 'zone' || i == 'zoneid') { popupzone = info[i]; }
					if(i == 'popupid') { popupid = info[i]; }
				}
			}
			var logu = document.createElement('img');
			logu.src = '/popup/popuplog.php?zoneid='+popupzone+'&popupid='+popupid+'&type=booksample&path=' + encodeURI(document.location.pathname) + '&uid=' + uid;

			//open the popup, passing the uid for conversion tracking
			var nodehref = node.href + (node.href.indexOf('?') == -1 ? '?' : '&') + 'uid=' + uid;
			acpopup(nodehref, (typeof rel[3] != 'undefined' ? rel[3] : 'console'), rel[1], rel[2]);

			//don't follow the regular link
			return false;
		}
	}

	//if we got this far we don't have rel information
	//so just follow the link as normal
	return true;
};