function fadeIt(direction) {
		var imageObj = new fx.Opacity('image'+count, {duration:500});

		
		imageObj.setOpacity(1);
		imageObj.custom(1,0);	
		
		if(direction=='forwards') {
			if(count < total) {
				count=count+1;
			} else {
				count=1;
			}
		} else {
			if(count > 1) {
				count=count-1;
			} else {
				count=total;
			}
		}

		if(document.getElementById('image'+count).style.display!='block') {
		document.getElementById('image'+count).style.display='block';
		}

				
		var imageObj = new fx.Opacity('image'+count, {duration:500});
		
		imageObj.setOpacity(0);
		imageObj.custom(0,1);
		
		showCount();
		scrollTimer();
	}
	
	function hideThem() {
		document.getElementById('image1').style.display='block';
		for(var loopCount = 2; loopCount <= total; loopCount++) {
			var imageObj = new fx.Opacity('image'+loopCount);
			imageObj.setOpacity(0);
		}
	}
	
	function showCount() {
		document.getElementById('counterBox').innerHTML=count+'/'+total;
	}
	
	scrollTime = 5000;
		
	function scrollTimer() {
		window.clearTimeout(tOut);
		tOut = setTimeout("fadeIt('forwards');",scrollTime); 
	}
	

/* Smooth scrolling
   Changes links that link to other parts of this page to scroll
   smoothly to those links rather than jump to them directly, which
   can be a little disorienting.
   
   sil, http://www.kryogenix.org/
   
   v1.0 2003-11-11
   v1.1 2005-06-16 wrap it up in an object
*/

var ss = {
  fixAllLinks: function() {
    // Get a list of all links in the page
    var allLinks = document.getElementsByTagName('a');
    // Walk through the list
    for (var i=0;i<allLinks.length;i++) {
      var lnk = allLinks[i];
      if ((lnk.href && lnk.href.indexOf('#') != -1) && 
          ( (lnk.pathname == location.pathname) ||
	    ('/'+lnk.pathname == location.pathname) ) && 
          (lnk.search == location.search)) {
        // If the link is internal to the page (begins in #)
        // then attach the smoothScroll function as an onclick
        // event handler
        ss.addEvent(lnk,'click',ss.smoothScroll);
      }
    }
  },

  smoothScroll: function(e) {
    // This is an event handler; get the clicked on element,
    // in a cross-browser fashion
    if (window.event) {
      target = window.event.srcElement;
    } else if (e) {
      target = e.target;
    } else return;

    // Make sure that the target is an element, not a text node
    // within an element
    if (target.nodeName.toLowerCase() != 'a') {
      target = target.parentNode;
    }
  
    // Paranoia; check this is an A tag
    if (target.nodeName.toLowerCase() != 'a') return;
  
    // Find the <a name> tag corresponding to this href
    // First strip off the hash (first character)
    anchor = target.hash.substr(1);
    // Now loop all A tags until we find one with that name
    var allLinks = document.getElementsByTagName('a');
    var destinationLink = null;
    for (var i=0;i<allLinks.length;i++) {
      var lnk = allLinks[i];
      if (lnk.name && (lnk.name == anchor)) {
        destinationLink = lnk;
        break;
      }
    }
  
    // If we didn't find a destination, give up and let the browser do
    // its thing
    if (!destinationLink) return true;
  
    // Find the destination's position
    var destx = destinationLink.offsetLeft; 
    var desty = destinationLink.offsetTop;
    var thisNode = destinationLink;
    while (thisNode.offsetParent && 
          (thisNode.offsetParent != document.body)) {
      thisNode = thisNode.offsetParent;
      destx += thisNode.offsetLeft;
      desty += thisNode.offsetTop;
    }
  
    // Stop any current scrolling
    clearInterval(ss.INTERVAL);
  
    cypos = ss.getCurrentYPos();
  
    ss_stepsize = parseInt((desty-cypos)/ss.STEPS);
    ss.INTERVAL =
setInterval('ss.scrollWindow('+ss_stepsize+','+desty+',"'+anchor+'")',10);
  
    // And stop the actual click happening
    if (window.event) {
      window.event.cancelBubble = true;
      window.event.returnValue = false;
    }
    if (e && e.preventDefault && e.stopPropagation) {
      e.preventDefault();
      e.stopPropagation();
    }
  },

  scrollWindow: function(scramount,dest,anchor) {
    wascypos = ss.getCurrentYPos();
    isAbove = (wascypos < dest);
    window.scrollTo(0,wascypos + scramount);
    iscypos = ss.getCurrentYPos();
    isAboveNow = (iscypos < dest);
    if ((isAbove != isAboveNow) || (wascypos == iscypos)) {
      // if we've just scrolled past the destination, or
      // we haven't moved from the last scroll (i.e., we're at the
      // bottom of the page) then scroll exactly to the link
      window.scrollTo(0,dest);
      // cancel the repeating timer
      clearInterval(ss.INTERVAL);
      // and jump to the link directly so the URL's right
      location.hash = anchor;
    }
  },

  getCurrentYPos: function() {
    if (document.body && document.body.scrollTop)
      return document.body.scrollTop;
    if (document.documentElement && document.documentElement.scrollTop)
      return document.documentElement.scrollTop;
    if (window.pageYOffset)
      return window.pageYOffset;
    return 0;
  },

  addEvent: function(elm, evType, fn, useCapture) {
    // addEvent and removeEvent
    // cross-browser event handling for IE5+,  NS6 and Mozilla
    // By Scott Andrew
    if (elm.addEventListener){
      elm.addEventListener(evType, fn, useCapture);
      return true;
    } else if (elm.attachEvent){
      var r = elm.attachEvent("on"+evType, fn);
      return r;
    } else {
      alert("Handler could not be removed");
    }
  } 
}

ss.STEPS = 50;

ss.addEvent(window,"load",ss.fixAllLinks);


	
	


	
/* ALL FORM INPUT BLURS */
	
FFbg = '#FFFFFF'
FFbc = '#FF6600'
oldval = "";

function Emailme(obj){
	blurred=false;
    if (obj.style.backgroundColor == "")
	{
	   oldval = obj.value;
	   Presets = new Array("related_email")
	   if (obj.value == "Enter your email address here" ){
	   		obj.value=''
	   	}
	   obj.style.backgroundColor = FFbg;
	   obj.style.borderColor = FFbc;
	}
    else {
    	if (obj.value == ""){obj.value = oldval}
    	obj.style.backgroundColor = "";
		obj.style.borderColor = "";
	}
}

function Alertme(obj){
	blurred=false;
    if (obj.style.backgroundColor == "")
	{
	   oldval = obj.value;
	   Presets = new Array("alert_email")
	   if (obj.value == "Enter your email address" ){
	   		obj.value=''
	   	}
	   obj.style.backgroundColor = FFbg;
	   obj.style.borderColor = FFbc;
	}
    else {
    	if (obj.value == ""){obj.value = oldval}
    	obj.style.backgroundColor = "";
		obj.style.borderColor = "";
	}
}

function Penguinnewsletter(obj){
	blurred=false;
    if (obj.style.backgroundColor == "")
	{
	   oldval = obj.value;
	   Presets = new Array("newsletter")
	   if (obj.value == "Enter email address" ){
	   		obj.value=''
	   	}
	   obj.style.backgroundColor = FFbg;
	   obj.style.borderColor = FFbc;
	}
    else {
    	if (obj.value == ""){obj.value = oldval}
    	obj.style.backgroundColor = "";
		obj.style.borderColor = "";
	}
}

function Penguincompnewsletter(obj){
	blurred=false;
    if (obj.style.backgroundColor == "")
	{
	   oldval = obj.value;
	   Presets = new Array("newsletter")
	   if (obj.value == "Enter email address" ){
	   		obj.value=''
	   	}
	   obj.style.backgroundColor = FFbg;
	   obj.style.borderColor = FFbc;
	}
    else {
    	if (obj.value == ""){obj.value = oldval}
    	obj.style.backgroundColor = "";
		obj.style.borderColor = "";
	}
}

function topsearchform(obj){
	blurred=false;
    if (obj.style.backgroundColor == "")
	{
	   oldval = obj.value;
	   Presets = new Array("topnavsearch")
	   if (obj.value == "Search for your favourite book and author here" ){
	   		obj.value=''
	   	}
	   obj.style.backgroundColor = FFbg;
	   obj.style.borderColor = FFbc;
	}
    else {
    	if (obj.value == ""){obj.value = oldval}
    	obj.style.backgroundColor = "";
		obj.style.borderColor = "";
	}
}

function topnewsletter(obj){
	blurred=false;
    if (obj.style.backgroundColor == "")
	{
	   oldval = obj.value;
	   Presets = new Array("topnewsletteremail")
	   if (obj.value == "Enter your email" ){
	   		obj.value=''
	   	}
	   obj.style.backgroundColor = FFbg;
	   obj.style.borderColor = FFbc;
	}
    else {
    	if (obj.value == ""){obj.value = oldval}
    	obj.style.backgroundColor = "";
		obj.style.borderColor = "";
	}
}

function footersearch(obj){
	blurred=false;
    if (obj.style.backgroundColor == "")
	{
	   oldval = obj.value;
	   Presets = new Array("footernavsearch")
	   if (obj.value == "Search for book and author here" ){
	   		obj.value=''
	   	}
	   obj.style.backgroundColor = FFbg;
	   obj.style.borderColor = FFbc;
	}
    else {
    	if (obj.value == ""){obj.value = oldval}
    	obj.style.backgroundColor = "";
		obj.style.borderColor = "";
	}
}



/* SUBMISSION FOR FORMS, NEWSLETTERS, QUICK SEARCHES */

function penguinsearch() {
	if (document.QuickSearch.SEARCH.value=='' ) {
		alert("Please enter a search term");
	} else {
document.penguinsearch.submit();
}
}

function penguinnewsletter() {
	if (document.PenguinNewsletterSignup.EMAIL.value=='' ) {
		alert("Please enter your email address.");
	} else {
document.penguinnewsletter.submit();
}
}

function emailalerts() {
	if (document.PenguinEmailAlerts.EMAIL.value=='' ) {
		alert("Please enter your email address.");
	} else {
document.emailalerts.submit();
}
}

function bookemailalerts() {
	if (document.PublicationBookAlerts.EMAIL.value=='' ) {
		alert("Please enter your email address.");
	} else {
document.bookemailalerts.submit();
}
}

function stockemailalerts() {
	if (document.StockBookAlerts.EMAIL.value=='' ) {
		alert("Please enter your email address.");
	} else {
document.stockemailalerts.submit();
}
}


/* PRINT THIS PAGE */
var message = "Print this Page";

function printpage() {
window.print();  
}


/* TRAVEL JUMP MENU */

function land(ref, target)
{

lowtarget=target.toLowerCase();

if (lowtarget=="_self") {window.location=loc;}

else {if (lowtarget=="_top") {top.location=loc;}

else {if (lowtarget=="_new") {window.open(loc);}

else {if (lowtarget=="_parent") {parent.location=loc;}

else {parent.frames[target].location=loc;};

}}}

}

function jump(menu)

{

ref=menu.choice.options[menu.choice.selectedIndex].value;

splitc=ref.lastIndexOf("*");

target="";

if (splitc!=-1)

{loc=ref.substring(0,splitc);

target=ref.substring(splitc+1,1000);}

else {loc=ref; target="_self";};

if (ref != "") {land(loc,target);}

}

function jump2(menu)

{ ref=menu.choice2.options[menu.choice2.selectedIndex].value;

splitc=ref.lastIndexOf("*");

target="";

if (splitc!=-1)

{loc=ref.substring(0,splitc);

target=ref.substring(splitc+1,1000);}

else {loc=ref; target="_self";};

if (ref != "") {land(loc,target);}

}


function jump3(menu)

{ ref=menu.choice3.options[menu.choice3.selectedIndex].value;

splitc=ref.lastIndexOf("*");

target="";

if (splitc!=-1)

{loc=ref.substring(0,splitc);

target=ref.substring(splitc+1,1000);}

else {loc=ref; target="_self";};

if (ref != "") {land(loc,target);}

}

function jump4(menu)

{ ref=menu.choice4.options[menu.choice4.selectedIndex].value;

splitc=ref.lastIndexOf("*");

target="";

if (splitc!=-1)

{loc=ref.substring(0,splitc);

target=ref.substring(splitc+1,1000);}

else {loc=ref; target="_self";};

if (ref != "") {land(loc,target);}

}