///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// jQUERY EASING PLUGIN
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/* jQuery Easing v1.3 - http://gsgd.co.uk/sandbox/jquery/easing/
 * Uses the built in easing capabilities added In jQuery 1.1 to offer multiple easing options
 * TERMS OF USE - jQuery Easing
 * Open source under the BSD License. Copyright © 2008 George McGinley Smith. All rights reserved.
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
 * Neither the name of the author nor the names of contributors may be used to endorse or promote products derived from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
jQuery.easing['jswing']=jQuery.easing['swing'];jQuery.extend(jQuery.easing,{def:'easeOutQuad',swing:function(x,t,b,c,d){return jQuery.easing[jQuery.easing.def](x,t,b,c,d)},easeInQuad:function(x,t,b,c,d){return c*(t/=d)*t+b},easeOutQuad:function(x,t,b,c,d){return-c*(t/=d)*(t-2)+b},easeInOutQuad:function(x,t,b,c,d){if((t/=d/2)<1)return c/2*t*t+b;return-c/2*((--t)*(t-2)-1)+b},easeInCubic:function(x,t,b,c,d){return c*(t/=d)*t*t+b},easeOutCubic:function(x,t,b,c,d){return c*((t=t/d-1)*t*t+1)+b},easeInOutCubic:function(x,t,b,c,d){if((t/=d/2)<1)return c/2*t*t*t+b;return c/2*((t-=2)*t*t+2)+b},easeInQuart:function(x,t,b,c,d){return c*(t/=d)*t*t*t+b},easeOutQuart:function(x,t,b,c,d){return-c*((t=t/d-1)*t*t*t-1)+b},easeInOutQuart:function(x,t,b,c,d){if((t/=d/2)<1)return c/2*t*t*t*t+b;return-c/2*((t-=2)*t*t*t-2)+b},easeInQuint:function(x,t,b,c,d){return c*(t/=d)*t*t*t*t+b},easeOutQuint:function(x,t,b,c,d){return c*((t=t/d-1)*t*t*t*t+1)+b},easeInOutQuint:function(x,t,b,c,d){if((t/=d/2)<1)return c/2*t*t*t*t*t+b;return c/2*((t-=2)*t*t*t*t+2)+b},easeInSine:function(x,t,b,c,d){return-c*Math.cos(t/d*(Math.PI/2))+c+b},easeOutSine:function(x,t,b,c,d){return c*Math.sin(t/d*(Math.PI/2))+b},easeInOutSine:function(x,t,b,c,d){return-c/2*(Math.cos(Math.PI*t/d)-1)+b},easeInExpo:function(x,t,b,c,d){return(t==0)?b:c*Math.pow(2,10*(t/d-1))+b},easeOutExpo:function(x,t,b,c,d){return(t==d)?b+c:c*(-Math.pow(2,-10*t/d)+1)+b},easeInOutExpo:function(x,t,b,c,d){if(t==0)return b;if(t==d)return b+c;if((t/=d/2)<1)return c/2*Math.pow(2,10*(t-1))+b;return c/2*(-Math.pow(2,-10*--t)+2)+b},easeInCirc:function(x,t,b,c,d){return-c*(Math.sqrt(1-(t/=d)*t)-1)+b},easeOutCirc:function(x,t,b,c,d){return c*Math.sqrt(1-(t=t/d-1)*t)+b},easeInOutCirc:function(x,t,b,c,d){if((t/=d/2)<1)return-c/2*(Math.sqrt(1-t*t)-1)+b;return c/2*(Math.sqrt(1-(t-=2)*t)+1)+b},easeInElastic:function(x,t,b,c,d){var s=1.70158;var p=0;var a=c;if(t==0)return b;if((t/=d)==1)return b+c;if(!p)p=d*.3;if(a<Math.abs(c)){a=c;var s=p/4}else var s=p/(2*Math.PI)*Math.asin(c/a);return-(a*Math.pow(2,10*(t-=1))*Math.sin((t*d-s)*(2*Math.PI)/p))+b},easeOutElastic:function(x,t,b,c,d){var s=1.70158;var p=0;var a=c;if(t==0)return b;if((t/=d)==1)return b+c;if(!p)p=d*.3;if(a<Math.abs(c)){a=c;var s=p/4}else var s=p/(2*Math.PI)*Math.asin(c/a);return a*Math.pow(2,-10*t)*Math.sin((t*d-s)*(2*Math.PI)/p)+c+b},easeInOutElastic:function(x,t,b,c,d){var s=1.70158;var p=0;var a=c;if(t==0)return b;if((t/=d/2)==2)return b+c;if(!p)p=d*(.3*1.5);if(a<Math.abs(c)){a=c;var s=p/4}else var s=p/(2*Math.PI)*Math.asin(c/a);if(t<1)return-.5*(a*Math.pow(2,10*(t-=1))*Math.sin((t*d-s)*(2*Math.PI)/p))+b;return a*Math.pow(2,-10*(t-=1))*Math.sin((t*d-s)*(2*Math.PI)/p)*.5+c+b},easeInBack:function(x,t,b,c,d,s){if(s==undefined)s=1.70158;return c*(t/=d)*t*((s+1)*t-s)+b},easeOutBack:function(x,t,b,c,d,s){if(s==undefined)s=1.70158;return c*((t=t/d-1)*t*((s+1)*t+s)+1)+b},easeInOutBack:function(x,t,b,c,d,s){if(s==undefined)s=1.70158;if((t/=d/2)<1)return c/2*(t*t*(((s*=(1.525))+1)*t-s))+b;return c/2*((t-=2)*t*(((s*=(1.525))+1)*t+s)+2)+b},easeInBounce:function(x,t,b,c,d){return c-jQuery.easing.easeOutBounce(x,d-t,0,c,d)+b},easeOutBounce:function(x,t,b,c,d){if((t/=d)<(1/2.75)){return c*(7.5625*t*t)+b}else if(t<(2/2.75)){return c*(7.5625*(t-=(1.5/2.75))*t+.75)+b}else if(t<(2.5/2.75)){return c*(7.5625*(t-=(2.25/2.75))*t+.9375)+b}else{return c*(7.5625*(t-=(2.625/2.75))*t+.984375)+b}},easeInOutBounce:function(x,t,b,c,d){if(t<d/2)return jQuery.easing.easeInBounce(x,t*2,0,c,d)*.5+b;return jQuery.easing.easeOutBounce(x,t*2-d,0,c,d)*.5+c*.5+b}});

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// jQUERY BOOKLET PLUGIN
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/* jQuery Booklet Plugin
 * Copyright (c) 2010 W. Grauvogel (http://builtbywill.com/)
 * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
 * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
 * Version : 1.2.0
 * Originally based on the work of:
 *	1) Charles Mangin (http://clickheredammit.com/pageflip/)
 */

jQuery(document).ready(function ($) {
	$.fn.booklet = function (options) {
		var o = $.extend({}, $.fn.booklet.defaults, options);
		
		return $(this).each(function () {
			var command, config, obj, id, i, target;
			
			//option type string - api call
			if (typeof options == 'string') {
				
				//check if booklet has been initialized
				if ($(this).data('booklet')) {
					command = options.toLowerCase();
					obj = $.fn.booklet.interfaces[$(this).data('id')];
					
					if (command == 'next') {	obj.next()	} 
					else if (command == 'prev') {	obj.prev()	}
				}
			}
					
			//option type number - api call		
			else if (typeof options == 'number') {
				
				//check if booklet has been initialized
				if ($(this).data('booklet')) {
					target = options;
					obj = $.fn.booklet.interfaces[$(this).data('id')];
					
					if (target % 2 != 0) {	target -= 1;	}
					obj.gotoPage(target); 
				}
			}
					
			//else build new booklet
			else {
				config = $.extend(true, {}, o);
				// Determine ID (Reuse array slots if possible)
				id = $.fn.booklet.interfaces.length;
				for (i = 0; i < id; i++) {
					if (typeof $.fn.booklet.interfaces[i] == 'undefined') {
						id = i;
						break; }
				}
						
				// Instantiate the booklet
				obj = new booklet($(this), config, id);
				
				// Add API references
				$.fn.booklet.interfaces[id] = obj;
			}
		});
	}
	
function booklet(target, options, id) {
//VARS + STRUCTURE ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
	var self, opts, b, src, hash, i, j, p, diff, busy, init, rhover, lhover, h, a, playing, titles = new Array(),
		chapters = new Array(),
		pN, p0, p1, p2, p3, p4, pNwrap, p0wrap, p1wrap, p2wrap, p3wrap, p4wrap, wraps, sF, sB, p3drag, p0drag, temp, relativeX, overlaysB, overlayN, overlayP, 			
		tabs, tabN, tabP, arrows, arrowN, arrowP, next, prev, ctrlsN, ctrlsP, menu, chapter, dd, ddUL, ddH, ddLI, ddA, ddT, ddC, ddCUL, ddCH, ddCLI, ddCA, ddCT, 	empty = '<div class="b-page-empty" title="" rel=""></div>',
		blank = '<div class="b-page-blank" title="" rel=""></div>';
		
		busy = false;
		playing = false;
		init = false;
		rhover = lhover = false;
		self = this;
		self.options = options;
		self.id = id;
		self.hash = '';
		opts = self.options;
		b = target.addClass('booklet');
		src = b.children('.b-load');
		
		//save page titles and chapter names, add page numbers
		initPages();
		
		//store data for api calls
		b.data('booklet', true);
		b.data('id', id);
		b.data('total', src.children().length);
// SETUP OPTIONS /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
	//set width + height
	if (!opts.width) {
		opts.width = b.width();
	} else if (typeof opts.width == 'string' && opts.width.indexOf("%") != -1) {
		opts.wPercent = true;
		opts.wOrig = opts.width;
		opts.width = (opts.width.replace('%', '') / 100) * parseFloat(b.parent().css('width'));
	}
	if (!opts.height) {
		opts.height = b.height();
	} else if (typeof opts.height == 'string' && opts.height.indexOf("%") != -1) {
		opts.hPercent = true;
		opts.hOrig = opts.height;
		opts.height = (opts.height.replace('%', '') / 100) * parseFloat(b.parent().css('height'));
	}
	b.width(opts.width);
	b.height(opts.height);
	
	//save page sizes and other vars
	opts.pWidth = opts.width / 2;
	opts.pWidthN = '-' + (opts.pWidth) + 'px';
	opts.pWidthH = opts.pWidth / 2;
	opts.pHeight = opts.height;
	
	opts.pTotal = src.children().length;
	opts.speedH = opts.speed / 2;
	
	//set startingPage
	if (opts.direction == 'LTR') {
		opts.curr = 0;
	} else if (opts.direction == 'RTL') {
		opts.curr = opts.pTotal - 2;
	}
	if (!isNaN(opts.startingPage) && opts.startingPage <= opts.pTotal && opts.startingPage > 0) {
		if ((opts.startingPage % 2) != 0) {
			opts.startingPage--
		};
		opts.curr = opts.startingPage;
	}
	
	//set position
	if (opts.closed && opts.autoCenter) {
		if (opts.curr == 0) {
			b.width(opts.pWidth);
		} else if (opts.curr >= opts.pTotal - 2) {
			b.width(opts.pWidth);
		}
	}
	
	//set booklet opts.name
	if (opts.name) {
		document.title = opts.name;
	} else {
		opts.name = document.title;
	}
	
	//save shadow widths for anim
	if (opts.shadows) {
		opts.shadowTopFwdWidth = '-' + opts.shadowTopFwdWidth + 'px';
		opts.shadowTopBackWidth = '-' + opts.shadowTopBackWidth + 'px';
	}
	
	//setup menu
	if (opts.menu) {
		menu = $(opts.menu).addClass('b-menu');
		p = opts.curr;
		//setup page selctor
		if (opts.pageSelector) {
			//add selector
			dd = $('<div class="b-selector b-selector-page"><span class="b-current">Navigation</span></div>').appendTo(menu);
			ddUL = $('<ul></ul>').appendTo(dd).empty().css('height', 'auto');
			//loop through all pages
			for (i = 0; i < opts.pTotal; i += 2) {
				j = i;
				//nums for normal view
				nums = (j + 1) + '-' + (j + 2);
				if (opts.closed) {
					//nums for closed book
					j--;
					if (i == 0) {
						nums = '1'
					} else if (i == opts.pTotal - 2) {
						nums = opts.pTotal - 2
					} else {
						nums = (j + 1) + '-' + (j + 2);
					}
					//nums for closed book with covers
					if (opts.covers) {
						j--;
						if (i == 0) {
							nums = ''
						} else if (i == opts.pTotal - 2) {
							nums = ''
						} else {
							nums = (j + 1) + '-' + (j + 2);
						}
					}
				}
				//nums for RTL direction
				if (opts.direction == 'RTL') {
					nums = (Math.abs(j - opts.pTotal) - 1) + ' - ' + ((Math.abs(j - opts.pTotal)));
					if (opts.closed) {
						if (i == opts.pTotal - 2) {
							nums = '1'
						} else if (i == 0) {
							nums = opts.pTotal - 2
						} else {
							nums = (Math.abs(j - opts.pTotal) - 3) + ' - ' + ((Math.abs(j - opts.pTotal) - 2));
						}
						if (opts.covers) {
							if (i == opts.pTotal - 2) {
								nums = ''
							} else if (i == 0) {
								nums = ''
							} else {
								nums = (Math.abs(j - opts.pTotal) - 5) + ' - ' + ((Math.abs(j - opts.pTotal) - 4));
							}
						}
					}
					ddLI = $('<li><a href="#/page/' + (i + 1) + '" id="selector-page-' + i + '"><span class="b-text">' + titles[i + 1] + '</span><span class="b-num">' + nums + '</span></a></li>').prependTo(ddUL);
				} else {
					ddLI = $('<li><a href="#/page/' + (i + 1) + '" id="selector-page-' + i + '"><span class="b-text">' + titles[i] + '</span><span class="b-num">' + nums + '</span></a></li>').appendTo(ddUL);
				}
				ddA = ddLI.find('a');
				if (!opts.hash) {
					ddA.click(function () {
						ddT = parseInt($(this).attr('id').replace('selector-page-', ''));
						self.gotoPage(ddT);
						return false;
					});
				}
			}
			//set height
			ddH = ddUL.height();
			ddUL.css({
				'height': 0,
				'padding-bottom': 0
			});
			//add hover effects
			dd.unbind('hover').hover(function () {
				ddUL.stop().animate({
					height: ddH,
					paddingBottom: 10
				}, 500);
			}, function () {
				ddUL.stop().animate({
					height: 0,
					paddingBottom: 0
				}, 500);
			});
		}
		//setup chapter selctor
		if (opts.chapterSelector) {
			chapter = chapters[opts.curr];
			if (chapter == "") {
				chapter = chapters[opts.curr + 1];
			}
			//ddC = $('<div class="b-selector b-selector-chapter"><span class="b-current">' + chapter + '</span></div>').appendTo(menu);
			
			ddC = $('<div class="b-selector b-selector-chapter"><span class="b-current">Navigation</span></div>').appendTo(menu);
			
			ddCUL = $('<ul></ul>').appendTo(ddC).empty().css('height', 'auto');
			for (i = 0; i < opts.pTotal; i += 1) {
				if (chapters[i] != "" && typeof chapters[i] != "undefined") {
					if (opts.direction == 'RTL') {
						j = i;
						if (j % 2 != 0) {
							j--;
						}
					//	ddC.find('.b-current').text(chapters[i]);
						ddCLI = $('<li><a href="#/page/' + (j + 1) + '" id="selector-page-' + (j) + '"><span class="b-text">' + chapters[i] + '</span></a></li>').prependTo(ddCUL);
					} else {
						ddCLI = $('<li><a href="#/page/' + (i + 1) + '" id="selector-page-' + i + '"><span class="b-text">' + chapters[i] + '</span></a></li>').appendTo(ddCUL);
					}
					ddCA = ddCLI.find('a');
					if (!opts.hash) {
						ddCA.click(function () {
							ddCT = parseInt($(this).attr('id').replace('selector-page-', ''));
							self.gotoPage(ddCT);
							return false;
						});
					}
				}
			}
			ddCH = ddCUL.height();
			ddCUL.css({
				'height': 0,
				'padding-bottom': 0
			});
			ddC.unbind('hover').hover(function () {
				ddCUL.stop().animate({
					height: ddCH,
					paddingBottom: 10
				}, 500);
			}, function () {
				ddCUL.stop().animate({
					height: 0,
					paddingBottom: 0
				}, 500);
			});
		}
	}
// API METHODS ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
	$.extend(self, {
	next: function () {
		if (!busy) {
			self.gotoPage(opts.curr + 2);
		}
	},
	prev: function () {
		if (!busy) {
			self.gotoPage(opts.curr - 2);
		}
	},
	gotoPage: function (num) {
		//moving forward (increasing number)
		if (num > opts.curr && num < opts.pTotal && num >= 0 && !busy) {
			busy = true;
			diff = num - opts.curr;
			opts.curr = num;
			opts.before.call(self, opts);
			updatePager();
			updateCtrls();
			updateHash(opts.curr + 1, opts);
			initAnim(diff, true, sF);
			//hide p2 as p3 moves across it
			if (opts.closed && opts.autoCenter && num - diff == 0) {
				p2.stop().animate({
					width: 0,
					left: opts.pWidth
				}, opts.speed, opts.easing);
				p4.stop().animate({
					left: opts.pWidth
				}, opts.speed, opts.easing);
			} else {
				p2.stop().animate({
					width: 0
				}, opts.speedH, opts.easeIn);
			}
			//animate p3 from right to left (left: movement, width: reveal slide, paddingLeft: shadow underneath)
			//call setuppages at end of animation to reset pages
			//animation if dragging forward
			if (p3drag) {
				p3.stop().animate({
					left: opts.pWidth / 4,
					width: opts.pWidth * .75,
					paddingLeft: opts.shadowBtmWidth
				}, opts.speedH, opts.easeIn).animate({
					left: 0,
					width: opts.pWidth,
					paddingLeft: 0
				}, opts.speedH);
			} else {
				p3.stop().animate({
					left: opts.pWidthH,
					width: opts.pWidthH,
					paddingLeft: opts.shadowBtmWidth
				}, opts.speedH, opts.easeIn).animate({
					left: 0,
					width: opts.pWidth,
					paddingLeft: 0
				}, opts.speedH);
			}
			p3wrap.animate({
				left: opts.shadowBtmWidth
			}, opts.speedH, opts.easeIn).animate({
				left: 0
			}, opts.speedH, opts.easeOut, function () {
				updateAfter()
			});
			//moving backward (decreasing number)
		} else if (num < opts.curr && num < opts.pTotal && num >= 0 && !busy) {
			busy = true;
			diff = opts.curr - num;
			opts.curr = num;
			opts.before.call(self, opts);
			updatePager();
			updateCtrls();
			updateHash(opts.curr + 1, opts);
			initAnim(diff, false, sB);
			//animation if dragging backwards
			if (p0drag) {
				//hide p1 as p0 moves across it
				p1.animate({
					left: opts.pWidth,
					width: 0
				}, opts.speed, opts.easing);
				p1wrap.animate({
					left: opts.pWidthN
				}, opts.speed, opts.easing);
				//animate p0 from left to right (right: movement, width: reveal slide, paddingLeft: shadow underneath)
				if (opts.closed && opts.autoCenter && opts.curr == 0) {
					p0.animate({
						left: opts.pWidthH,
						width: opts.pWidthH
					}, opts.speedH, opts.easeIn).animate({
						left: 0,
						width: opts.pWidth
					}, opts.speedH, opts.easeOut);
					p2.stop().animate({
						left: 0
					}, opts.speed, opts.easing);
				} else {
					p0.animate({
						left: opts.pWidth,
						width: opts.pWidth
					}, opts.speed, opts.easing);
				}
				//animate .wrapper content with p0 to keep content right aligned throughout
				//call setuppages at end of animation to reset pages
				p0wrap.animate({
					right: 0
				}, opts.speed, opts.easing, function () {
					updateAfter()
				});
			} else {
				//hide p1 as p0 moves across it
				p1.animate({
					left: opts.pWidth,
					width: 0
				}, opts.speed, opts.easing);
				p1wrap.animate({
					left: opts.pWidthN
				}, opts.speed, opts.easing);
				//animate p0 from left to right (right: movement, width: reveal slide, paddingLeft: shadow underneath)
				if (opts.closed && opts.autoCenter && opts.curr == 0) {
					p0.animate({
						left: opts.pWidthH,
						width: opts.pWidthH
					}, opts.speedH, opts.easeIn).animate({
						left: 0,
						width: opts.pWidth
					}, opts.speedH, opts.easeOut);
					p2.stop().animate({
						left: 0
					}, opts.speed, opts.easing);
				} else {
					p0.animate({
						left: opts.pWidthH,
						width: opts.pWidthH
					}, opts.speedH, opts.easeIn).animate({
						left: opts.pWidth,
						width: opts.pWidth
					}, opts.speedH, opts.easeOut);
				}
				//animate .wrapper content with p0 to keep content right aligned throughout
				//call setuppages at end of animation to reset pages
				p0wrap.animate({
					right: opts.shadowBtmWidth
				}, opts.speedH, opts.easeIn).animate({
					right: 0
				}, opts.speedH, opts.easeOut, function () {
					updateAfter()
				});
			}
		}
	}
});
// SETUP CONTROLS ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
	if (opts.manual && $.ui) {
	opts.overlays = false;
}
//add prev next user defined controls
if (opts.next) {
	next = $(opts.next);
	next.click(function (e) {
		e.preventDefault();
		self.next();
	});
}
if (opts.prev) {
	prev = $(opts.prev);
	prev.click(function (e) {
		e.preventDefault();
		self.prev();
	});
}
//add overlays
if (opts.overlays) {
	overlayP = $('<div class="b-overlay b-overlay-prev b-prev" title="Previous Page"></div>').appendTo(b);
	overlayN = $('<div class="b-overlay b-overlay-next b-next" title="Next Page"></div>').appendTo(b);
	overlaysB = b.find('.b-overlay');
	if ($.browser.msie) {
		overlaysB.css({
			'background': '#fff',
			'filter': 'progid:DXImageTransform.Microsoft.Alpha(opacity=0) !important'
		});
	}
}
//add tabs
if (opts.tabs) {
	tabP = $('<div class="b-tab b-tab-prev b-prev" title="Previous Page">Previous</div>').appendTo(b);
	tabN = $('<div class="b-tab b-tab-next b-next" title="Next Page">Next</div>').appendTo(b);
	tabs = b.find('.b-tab');
	if (opts.tabWidth) {
		tabs.width(opts.tabWidth);
	}
	if (opts.tabHeight) {
		tabs.height(opts.tabHeight);
	}
	tabs.css({
		'top': '-' + tabN.outerHeight() + 'px'
	});
	b.css({
		'marginTop': tabN.outerHeight()
	});
	//update ctrls for RTL direction
	if (opts.direction == 'RTL') {
		tabN.html('Previous').attr('title', 'Previous Page');
		tabP.html('Next').attr('title', 'Next Page');
	}
} else {
	b.css({
		'marginTop': 0
	});
}
//add arrows
if (opts.arrows) {
	arrowP = $('<div class="b-arrow b-arrow-prev b-prev" title="Previous Page"><div>Previous</div></div>').appendTo(b);
	arrowN = $('<div class="b-arrow b-arrow-next b-next" title="Next Page"><div>Next</div></div>').appendTo(b);
	arrows = b.find('.b-arrow');
	//update ctrls for RTL direction
	if (opts.direction == 'RTL') {
		arrowN.html('<div>Previous</div>').attr('title', 'Previous Page');
		arrowP.html('<div>Next</div>').attr('title', 'Next Page');
	}
}
//save all "b-prev" and "b-next" controls
ctrlsN = b.find('.b-next');
ctrlsP = b.find('.b-prev');
//add click actions
ctrlsN.click(function (e) {
	e.preventDefault();
	self.next();
});
ctrlsP.click(function (e) {
	e.preventDefault();
	self.prev();
});
//add page hover animations
if (opts.overlays && opts.hovers) {
	//hovers to start draggable forward
	ctrlsN.unbind("mouseover mouseout").bind("mouseover", function () {
		hoverAnimStart(true);
	}).bind("mouseout", function () {
		hoverAnimEnd(true);
	});
	//hovers to start draggable backwards
	ctrlsP.unbind("mouseover mouseout").bind("mouseover", function () {
		hoverAnimStart(false);
	}).bind("mouseout", function () {
		hoverAnimEnd(false);
	});
}
//arrow animations	
if (opts.arrows) {
	if (opts.arrowsHide) {
		if ($.support.opacity) {
			ctrlsN.hover(

			function () {
				arrowN.find('div').stop().fadeTo('fast', 1);
			}, function () {
				arrowN.find('div').stop().fadeTo('fast', 0);
			});
			ctrlsP.hover(

			function () {
				arrowP.find('div').stop().fadeTo('fast', 1);
			}, function () {
				arrowP.find('div').stop().fadeTo('fast', 0);
			});
		} else {
			ctrlsN.hover(

			function () {
				arrowN.find('div').show();
			}, function () {
				arrowN.find('div').hide();
			});
			ctrlsP.hover(

			function () {
				arrowP.find('div').show();
			}, function () {
				arrowP.find('div').hide();
			});
		}
	} else {
		arrowN.find('div').show();
		arrowP.find('div').show();
	}
}
//keyboard ctrls
if (opts.keyboard) {
	//keyboard ctrls
	$(document).keyup(function (event) {
		if (event.keyCode == 37) {
			self.prev();
		} else if (event.keyCode == 39) {
			self.next();
		}
	});
}
//hash ctrls
if (opts.hash) {
	setupHash();
	clearInterval(h);
	h = setInterval(function () {
		pollHash()
	}, 250);
}
//percentage resizing
if (opts.wPercent || opts.hPercent) {
	$(window).resize(function () {
		resetSize();
	});
}
//auto flip book controls
if (opts.auto && opts.delay) {
	clearTimeout(a);
	a = setTimeout(function () {
		self.next();
	}, opts.delay);
	playing = true;
	if (opts.pause) {
		pause = $(opts.pause);
		pause.click(function (e) {
			e.preventDefault();
			if (playing) {
				clearTimeout(a);
				playing = false;
			}
		});
	}
	if (opts.play) {
		play = $(opts.play);
		play.click(function (e) {
			e.preventDefault();
			if (!playing) {
				clearTimeout(a);
				a = setTimeout(function () {
					self.next();
				}, opts.delay);
				playing = true;
			}
		});
	}
}
//first time setup
resetPages();
updateCtrls();
updatePager();
// GENERAL FUNCTIONS /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
	function initPages() {
		//fix for odd number of pages
		if ((src.children().length % 2) != 0) {
			//if book is closed and using covers, add page before back cover, else after last page
			if (opts.closed && opts.covers) {
				src.children().last().before(blank);
			} else {
				src.children().last().after(blank);
			}
		}
		//if closed book, add empty pages to start and end
		if (opts.closed) {
			$(empty).attr({
				'title': opts.closedFrontTitle || "Beginning",
				'rel': opts.closedFrontChapter || "Beginning of Book"
			}).prependTo(src);
			src.children().last().attr({
				'title': opts.closedBackTitle || "End",
				'rel': opts.closedBackChapter || "End of Book"
			});
			src.append(empty);
		}
		if (opts.direction == 'LTR') {
			j = 0;
		} else {
			j = src.children().length;
			if (opts.closed) {
				j -= 2;
			}
			if (opts.covers) {
				j -= 2;
			}
			$(src.children().get().reverse()).each(function () {
				$(this).appendTo(src);
			});
		}
		//save titles and chapters
		src.children().each(function (i) {
			//save chapter title
			if ($(this).attr('rel')) {
				chapters[i] = $(this).attr('rel');
			} else {
				chapters[i] = "";
			}
			//save page title
			titles[i] = $(this).attr('title');
			//give content the correct wrapper and page wrapper
			if ($(this).hasClass('b-page-empty')) {
				$(this).wrap('<div class="b-page"><div class="b-wrap"></div></div>');
			} else if (opts.closed && opts.covers && (i == 1 || i == src.children().length - 2)) {
				$(this).wrap('<div class="b-page"><div class="b-wrap b-page-cover"></div></div>');
			} else if (i % 2 != 0) {
				$(this).wrap('<div class="b-page"><div class="b-wrap b-wrap-right"></div></div>');
			} else {
				$(this).wrap('<div class="b-page"><div class="b-wrap b-wrap-left"></div></div>');
			}
			$(this).parents('.b-page').addClass('b-page-' + i).data('page', i);
			//add page numbers
			if (opts.pageNumbers && !$(this).hasClass('b-page-empty') && (!opts.closed || (opts.closed && !opts.covers) || (opts.closed && opts.covers && i != 1 && i != src.children().length - 2))) {
				if (opts.direction == 'LTR') {
					j++;
				}
				$(this).parent().append('<h6>' + (j) + '</h6>');
				if (opts.direction == 'RTL') {
					j--;
				}
			}
		});
	}

	function resetSize() {
		//recalculate size for percentage values
		if (opts.wPercent) {
			opts.width = (opts.wOrig.replace('%', '') / 100) * parseFloat(b.parent().css('width'));
			b.width(opts.width);
			opts.pWidth = opts.width / 2;
			opts.pWidthN = '-' + (opts.pWidth) + 'px';
			opts.pWidthH = opts.pWidth / 2;
		}
		if (opts.hPercent) {
			opts.height = (opts.hOrig.replace('%', '') / 100) * parseFloat(b.parent().css('height'));
			b.height(opts.height);
			opts.pHeight = opts.height;
		}
		resetCSS();
	}

	function resetCSS() {
		//update css
		b.find('.b-shadow-f, .b-shadow-b, .b-p0, .b-p3').css({
			'filter': '',
			'zoom': ''
		});
		if (opts.manual && $.ui) {
			b.find('.b-page').draggable('destroy').removeClass('b-grab b-grabbing');
		}
		wraps.attr('style', '');
		wraps.css({
			'left': 0,
			'width': opts.pWidth - (opts.pagePadding * 2),
			'height': opts.pHeight - (opts.pagePadding * 2),
			'padding': opts.pagePadding
		});
		p0wrap.css({
			'right': 0,
			'left': 'auto'
		});
		p1.css({
			'left': 0,
			'width': opts.pWidth,
			'height': opts.pHeight
		});
		p2.css({
			'left': opts.pWidth,
			'width': opts.pWidth,
			'opacity': 1,
			'height': opts.pHeight
		});
		pN.css({
			'left': 0,
			'width': opts.pWidth,
			'height': opts.pHeight
		});
		p0.css({
			'left': 0,
			'width': 0,
			'height': opts.pHeight
		});
		p3.stop().css({
			'left': opts.pWidth * 2,
			'width': 0,
			'height': opts.pHeight,
			paddingLeft: 0
		});
		p4.css({
			'left': opts.pWidth,
			'width': opts.pWidth,
			'height': opts.pHeight
		});
		if (opts.closed && opts.autoCenter && opts.curr == 0) {
			pN.css({
				'left': 0
			});
			p1.css({
				'left': opts.pWidthN
			});
			p2.css({
				'left': 0
			});
			p3.css({
				'left': opts.pWidth
			});
			p4.css({
				'left': 0
			});
		}
		if (opts.closed && opts.autoCenter && (opts.curr == 0 || opts.curr >= opts.pTotal - 2)) {
			if (opts.overlays) {
				overlaysB.width('100%');
			}
			b.width(opts.pWidth);
		} else {
			if (opts.overlays) {
				overlaysB.width('50%');
			}
			b.width(opts.width);
		}
	}

	function resetPages() {
		//reset page order
		if (init) {
			if (p1.data('page') - 1 < 0) {
				src.prepend(p2.detach());
				src.prepend(p1.detach());
			} else {
				b.find('.b-page-' + (p1.data('page') - 1)).after(p1.detach());
				b.find('.b-page-' + (p2.data('page') - 1)).after(p2.detach());
			}
			if (p3.data('page') - 1 <= opts.pTotal) {
				b.find('.b-page-' + (p3.data('page') - 1)).after(p3.detach());
				b.find('.b-page-' + (p4.data('page') - 1)).after(p4.detach());
			}
			if (pN.data('page') - 1 >= 0) {
				b.find('.b-page-' + (pN.data('page') - 1)).after(pN.detach());
				b.find('.b-page-' + (p0.data('page') - 1)).after(p0.detach());
			} else {
				src.prepend(pN.detach());
				pN.after(p0.detach());
			}
		}
		//reset all content
		b.find('.b-page').removeClass('b-pN b-p0 b-p1 b-p2 b-p3 b-p4').hide();
		//add page classes
		if (opts.curr - 2 >= 0) {
			b.find('.b-page-' + (opts.curr - 2)).addClass('b-pN').show();
			b.find('.b-page-' + (opts.curr - 1)).addClass('b-p0').show();
		}
		b.find('.b-page-' + (opts.curr)).addClass('b-p1').show();
		b.find('.b-page-' + (opts.curr + 1)).addClass('b-p2').show();
		if (opts.curr + 3 <= opts.pTotal) {
			b.find('.b-page-' + (opts.curr + 2)).addClass('b-p3').show();
			b.find('.b-page-' + (opts.curr + 3)).addClass('b-p4').show();
		}
		//save structure elems to vars
		pN = b.find('.b-pN');
		p0 = b.find('.b-p0');
		p1 = b.find('.b-p1');
		p2 = b.find('.b-p2');
		p3 = b.find('.b-p3');
		p4 = b.find('.b-p4');
		pNwrap = b.find('.b-pN .b-wrap');
		p0wrap = b.find('.b-p0 .b-wrap');
		p1wrap = b.find('.b-p1 .b-wrap');
		p2wrap = b.find('.b-p2 .b-wrap');
		p3wrap = b.find('.b-p3 .b-wrap');
		p4wrap = b.find('.b-p4 .b-wrap');
		wraps = b.find('.b-wrap');
		resetCSS();
		//update page order for animations
		if (opts.curr + 3 <= opts.pTotal) {
			p3.after(p0.detach());
			p1.after(p4.detach());
		} else {
			p0.detach().appendTo(src);
		}
		init = true;
		if (opts.shadows) {
			b.find('.b-shadow-f, .b-shadow-b').remove();
			sF = $('<div class="b-shadow-f"></div>').css({
				'right': 0,
				'width': opts.pWidth,
				'height': opts.pHeight
			}).appendTo(p3);
			sB = $('<div class="b-shadow-b"></div>').appendTo(p0).css({
				'left': 0,
				'width': opts.pWidth,
				'height': opts.pHeight
			});
		}
		//reset vars
		rhover = lhover = p3drag = p0drag = false;
		//manual page turning, check if jQuery UI is loaded
		if (opts.manual && $.ui) {
			//implement draggable forward
			p3.draggable({
				axis: "x",
				containment: [p2.offset().left - opts.pWidthH, 0, p2.offset().left + opts.pWidth - 50, opts.pHeight],
				drag: function (event, ui) {
					p3drag = true;
					temp = ui.originalPosition.left - ui.position.left;
					p3.removeClass('b-grab').addClass('b-grabbing');
					p3.width(40 + (temp / 2));
					p3wrap.css({
						'left': 10 + (temp / 8)
					});
					p2.width(opts.pWidth - p3.width() + 10);
					if (opts.shadows) {
						sF.css({
							'right': '-' + (20 + temp / 4) + 'px'
						});
						if ($.support.opacity) {
							sF.css({
								'opacity': 0.5 * (temp / opts.pWidthH)
							});
						} else {
							sF.css({
								'right': 'auto',
								'left': 0.1 * p3.width()
							});
						}
					}
				},
				stop: function (event, ui) {
					hoverAnimEnd(false);
					var temp = ui.originalPosition.left - ui.position.left;
					if (temp > opts.pWidthH / 4) {
						if (opts.shadows && !$.support.opacity) {
							sF.css({
								'left': 'auto'
							});
						}
						self.next();
						p3.removeClass('b-grab b-grabbing');
					} else {
						p3drag = false;
						p3.removeClass('b-grabbing').addClass('b-grab');
					}
				}
			});
			//implement draggable backwards
			p0.draggable({
				axis: "x",
				containment: [p1.offset().left + 10, 0, p1.offset().left + opts.pWidth * .75, opts.pHeight],
				drag: function (event, ui) {
					p0drag = true;
					temp = ui.position.left - ui.originalPosition.left;
					p0.removeClass('b-grab').addClass('b-grabbing');
					p0.css({
						left: 40 + (temp) / 1.5,
						width: 40 + (temp)
					});
					p0wrap.css({
						right: 10 + temp / 4
					});
					p1.css({
						left: ui.position.left + 20,
						width: opts.pWidth - ui.position.left - 10
					});
					p1wrap.css({
						left: -1 * (temp + 30)
					});
					if (opts.shadows) {
						if ($.support.opacity) {
							sB.css({
								'opacity': 0.5 * (temp / opts.pWidthH)
							});
						} else {
							sB.css({
								'left': -0.38 * opts.pWidth
							});
						}
					}
				},
				stop: function (event, ui) {
					hoverAnimEnd(true);
					temp = ui.position.left - ui.originalPosition.left;
					if (temp > opts.pWidthH / 4) {
						self.prev();
						p0.removeClass('b-grab b-grabbing');
					} else {
						p0drag = false;
						p0.removeClass('b-grabbing').addClass('b-grab');
					}
				}
			});
			//mousetracking for page movement
			$(b).unbind('mousemove mouseout').bind('mousemove', function (e) {
				relativeX = e.pageX - b.offset().left;
				if (relativeX < 50) {
					hoverAnimStart(false);
				} else if (relativeX > opts.pWidth - 50 && opts.curr == 0 && opts.autoCenter && opts.closed) {
					hoverAnimStart(true);
				} else if (relativeX > 50 && relativeX < opts.width - 50) {
					hoverAnimEnd(false);
					hoverAnimEnd(true);
				} else if (relativeX > opts.width - 50) {
					hoverAnimStart(true);
				}
			}).bind('mouseout', function () {
				hoverAnimEnd(false);
				hoverAnimEnd(true);
			});
		}
	}

	function hoverAnimStart(inc) {
		if (inc) {
			if (!busy && !rhover && !lhover && !p3drag && opts.curr + 2 <= opts.pTotal - 2) {
				//animate
				p2.stop().animate({
					'width': opts.pWidth - 40
				}, 500, opts.easing);
				p3.addClass('b-grab');
				if (opts.closed && opts.autoCenter && opts.curr == 0) {
					p3.stop().animate({
						'left': opts.pWidth - 50,
						'width': 40
					}, 500, opts.easing);
				} else {
					p3.stop().animate({
						'left': opts.width - 50,
						'width': 40
					}, 500, opts.easing);
				}
				p3wrap.stop().animate({
					'left': 10
				}, 500, opts.easing);
				if (opts.shadows && !$.support.opacity) {
					sF.css({
						'right': 'auto',
						'left': '-40%'
					});
				}
				rhover = true;
			}
		} else {
			if (!busy && !lhover && !rhover && !p0drag && opts.curr - 2 >= 0) {
				//animate
				p1.stop().animate({
					left: 10,
					width: opts.pWidth - 10
				}, 400, opts.easing);
				p0.addClass('b-grab');
				p1wrap.stop().animate({
					left: "-10px"
				}, 400, opts.easing);
				p0.stop().animate({
					left: 10,
					width: 40
				}, 400, opts.easing);
				p0wrap.stop().animate({
					right: 10
				}, 400, opts.easing);
				if (opts.shadows && !$.support.opacity) {
					sB.css({
						'left': -0.38 * opts.pWidth
					});
				}
				lhover = true;
			}
		}
	}

	function hoverAnimEnd(inc) {
		if (inc) {
			if (!busy && rhover && !p3drag && opts.curr + 2 <= opts.pTotal - 2) {
				p2.stop().animate({
					'width': opts.pWidth
				}, 500, opts.easing);
				if (opts.closed && opts.autoCenter && opts.curr == 0) {
					p3.stop().animate({
						'left': opts.pWidth,
						'width': 0
					}, 500, opts.easing);
				} else {
					p3.stop().animate({
						'left': opts.width,
						'width': 0
					}, 500, opts.easing);
				}
				p3wrap.stop().animate({
					'left': 0
				}, 500, opts.easing);
				if (opts.shadows && !$.support.opacity) {
					sF.css({
						'left': 'auto'
					});
				}
				rhover = false;
			}
		} else {
			if (!busy && lhover && !p0drag && opts.curr - 2 >= 0) {
				p1.stop().animate({
					left: 0,
					width: opts.pWidth
				}, 400, opts.easing);
				p1wrap.stop().animate({
					left: 0
				}, 400, opts.easing);
				p0.stop().animate({
					left: 0,
					width: 0
				}, 400, opts.easing);
				p0wrap.stop().animate({
					right: 0
				}, 400, opts.easing);
				lhover = false;
			}
		}
	}

	function initAnim(diff, inc, shadow) {
		//setup content
		if (inc && diff > 2) {
			b.find('.b-page-' + (p3.data('page') - 1)).after(p3.detach());
			b.find('.b-page-' + (p4.data('page') - 1)).after(p4.detach());
			b.find('.b-p3, .b-p4').removeClass('b-p3 b-p4').hide();
			b.find('.b-page-' + opts.curr).addClass('b-p3').show().stop().css({
				'left': opts.pWidth * 2,
				'width': 0,
				'height': opts.pHeight,
				paddingLeft: 0
			});
			b.find('.b-page-' + (opts.curr + 1)).addClass('b-p4').show().css({
				'left': opts.pWidth,
				'width': opts.pWidth,
				'height': opts.pHeight
			});
			b.find('.b-page-' + opts.curr + ' .b-wrap').show().css({
				'width': opts.pWidth - (opts.pagePadding * 2),
				'height': opts.pHeight - (opts.pagePadding * 2),
				'padding': opts.pagePadding
			});
			b.find('.b-page-' + (opts.curr + 1) + ' .b-wrap').show().css({
				'width': opts.pWidth - (opts.pagePadding * 2),
				'height': opts.pHeight - (opts.pagePadding * 2),
				'padding': opts.pagePadding
			});
			p3 = b.find('.b-p3');
			p4 = b.find('.b-p4');
			p3wrap = b.find('.b-p3 .b-wrap');
			p4wrap = b.find('.b-p4 .b-wrap');
			if (rhover) {
				p3.css({
					'left': opts.width - 40,
					'width': 20,
					'padding-left': 10
				});
			}
			p1.after(p4.detach());
			p2.after(p3.detach());
			if (opts.shadows) {
				b.find('.b-shadow-f').remove();
				sF = $('<div class="b-shadow-f"></div>').css({
					'right': 0,
					'width': opts.pWidth,
					'height': opts.pHeight
				}).appendTo(p3);
				shadow = sF;
			}
		} else if (!inc && diff > 2) {
			b.find('.b-page-' + (pN.data('page') - 1)).after(pN.detach());
			b.find('.b-page-' + (p0.data('page') - 1)).after(p0.detach());
			b.find('.b-pN, .b-p0').removeClass('b-pN b-p0').hide();
			b.find('.b-page-' + opts.curr).addClass('b-pN').show().css({
				'left': 0,
				'width': opts.pWidth,
				'height': opts.pHeight
			});
			b.find('.b-page-' + (opts.curr + 1)).addClass('b-p0').show().css({
				'left': 0,
				'width': 0,
				'height': opts.pHeight
			});
			b.find('.b-page-' + opts.curr + ' .b-wrap').show().css({
				'width': opts.pWidth - (opts.pagePadding * 2),
				'height': opts.pHeight - (opts.pagePadding * 2),
				'padding': opts.pagePadding
			});
			b.find('.b-page-' + (opts.curr + 1) + ' .b-wrap').show().css({
				'width': opts.pWidth - (opts.pagePadding * 2),
				'height': opts.pHeight - (opts.pagePadding * 2),
				'padding': opts.pagePadding
			});
			pN = b.find('.b-pN');
			p0 = b.find('.b-p0');
			pNwrap = b.find('.b-pN .b-wrap');
			p0wrap = b.find('.b-p0 .b-wrap');
			if (lhover) {
				p0.css({
					left: 10,
					width: 40
				});
				p0wrap.css({
					right: 10
				});
			}
			p0.detach().appendTo(src);
			if (opts.shadows) {
				b.find('.b-shadow-b, .b-shadow-f').remove();
				sB = $('<div class="b-shadow-b"></div>').appendTo(p0).css({
					'left': 0,
					'width': opts.pWidth,
					'height': opts.pHeight
				});
				shadow = sB;
			}
		}
		//update page visibility
		//if moving to start and end of book
		if (opts.closed) {
			if (!inc && opts.curr == 0) {
				pN.hide();
			} else if (!inc) {
				pN.show();
			}
			if (inc && opts.curr >= opts.pTotal - 2) {
				p4.hide();
			} else if (inc) {
				p4.show();
			}
		}
		//init shadows
		if (opts.shadows) {
			//check for opacity support -> animate shadow overlay on moving slide
			if ($.support.opacity) {
				shadow.animate({
					opacity: 1
				}, opts.speedH, opts.easeIn).animate({
					opacity: 0
				}, opts.speedH, opts.easeOut);
			} else {
				if (inc) {
					shadow.animate({
						right: opts.shadowTopFwdWidth
					}, opts.speed, opts.easeIn);
				} else {
					shadow.animate({
						left: opts.shadowTopBackWidth
					}, opts.speed, opts.easeIn);
				}
			}
		}
		//init position anim
		if (opts.closed && opts.autoCenter) {
			if (opts.curr == 0) {
				p3.hide();
				p4.hide();
				b.animate({
					width: opts.pWidth
				}, opts.speed, opts.easing);
			} else if (opts.curr >= opts.pTotal - 2) {
				p0.hide();
				pN.hide();
				b.animate({
					width: opts.pWidth
				}, opts.speed, opts.easing);
			} else {
				b.animate({
					width: opts.width
				}, opts.speed, opts.easing);
			}
		}
	}

	function updateAfter() {
		resetPages();
		updatePager();
		updateCtrls();
		opts.after.call(self, opts);
		busy = false;
		//update auto play timer
		if (opts.auto && opts.delay) {
			if (playing && opts.curr < opts.pTotal - 2) {
				clearTimeout(a);
				a = setTimeout(function () {
					self.next();
				}, opts.delay);
				console.log("continue...");
			}
			if (opts.curr >= opts.pTotal - 2) {
				playing = false;
			}
		}
	}

	function updateCtrls() {
		//update ctrls, cursors and visibility
		if (opts.overlays || opts.tabs || opts.arrows) {
			if ($.support.opacity) {
				if (opts.curr < opts.pTotal - 2) {
					ctrlsN.fadeIn('fast').css('cursor', opts.cursor);
				} else {
					ctrlsN.fadeOut('fast').css('cursor', 'default');
				}
				if (opts.curr >= 2 && opts.curr != 0) {
					ctrlsP.fadeIn('fast').css('cursor', opts.cursor);
				} else {
					ctrlsP.fadeOut('fast').css('cursor', 'default');
				}
			} else {
				if (opts.curr < opts.pTotal - 2) {
					ctrlsN.show().css('cursor', opts.cursor);
				} else {
					ctrlsN.hide().css('cursor', 'default');
				}
				if (opts.curr >= 2 && opts.curr != 0) {
					ctrlsP.show().css('cursor', opts.cursor);
				} else {
					ctrlsP.hide().css('cursor', 'default');
				}
			}
		}
	}

	function updatePager() {
		if (opts.pageSelector) {
			if (opts.direction == 'RTL') {
				nums = (Math.abs(opts.curr - opts.pTotal) - 1) + ' - ' + ((Math.abs(opts.curr - opts.pTotal)));
				if (opts.closed) {
					if (opts.curr == opts.pTotal - 2) {
						nums = '1'
					} else if (opts.curr == 0) {
						nums = opts.pTotal - 2
					} else {
						nums = (Math.abs(opts.curr - opts.pTotal) - 2) + ' - ' + ((Math.abs(opts.curr - opts.pTotal) - 1));
					}
					if (opts.covers) {
						if (opts.curr == opts.pTotal - 2) {
							nums = ''
						} else if (opts.curr == 0) {
							nums = ''
						} else {
							nums = (Math.abs(opts.curr - opts.pTotal) - 3) + ' - ' + ((Math.abs(opts.curr - opts.pTotal) - 2));
						}
					}
				}
			} else {
				nums = (opts.curr + 1) + ' - ' + (opts.curr + 2);
				if (opts.closed) {
					if (opts.curr == 0) {
						nums = '1'
					} else if (opts.curr == opts.pTotal - 2) {
						nums = opts.pTotal - 2
					} else {
						nums = (opts.curr) + '-' + (opts.curr + 1);
					}
					if (opts.covers) {
						if (opts.curr == 0) {
							nums = ''
						} else if (opts.curr == opts.pTotal - 2) {
							nums = ''
						} else {
							nums = (opts.curr - 1) + '-' + (opts.curr);
						}
					}
				}
			}
		}
		
	}

	function setupHash() {
		hash = getHashNum();
		if (!isNaN(hash) && hash <= opts.pTotal - 1 && hash >= 0 && hash != '') {
			if ((hash % 2) != 0) {
				hash--;
			}
			opts.curr = hash;
		} else {
			updateHash(opts.curr + 1, opts);
		}
		self.hash = hash;
	}

	function pollHash() {
		hash = getHashNum();
		//check page num
		if (!isNaN(hash) && hash <= opts.pTotal - 1 && hash >= 0) {
			if (hash != opts.curr && hash.toString() != self.hash) {
				if ((hash % 2) != 0) {
					hash--
				};
				document.title = opts.name + " - Page " + (hash + 1);
				if (!busy) {
					self.gotoPage(hash);
					self.hash = hash;
				}
			}
		}
	}
	//get page number from hash tag, last element

	function getHashNum() {
		var hash = window.location.hash.split('/');
		if (hash.length > 1) {
			return parseInt(hash[2]) - 1;
		} else {
			return '';
		}
	}
	//set the hash

	function updateHash(hash, opts) {
		if (opts.hash) {
			window.location.hash = "/page/" + hash;
		}
	}
}
//define empty array to hold API references
$.fn.booklet.interfaces = [];
//define default options
$.fn.booklet.defaults = {
	name:               null,					// name of the booklet to display in the document title bar
	width:              1000,                   // container width
	height:             600,                    // container height
	speed:              700,                   // speed of the transition between pages
	direction:          'LTR',                  // direction of the overall content organization, default LTR, left to right, 
															//can be RTL for languages which read right to left

	startingPage:       0,                      // index of the first page to be displayed
	easing:             'easeInOutQuad',        // easing method for complete transition
	easeIn:             'easeInQuad',           // easing method for first half of transition
	easeOut:            'easeOutQuad',          // easing method for second half of transition
	
	closed:             true,                   // start with the book "closed", will add empty pages to beginning and end of book
	closedFrontTitle:   null,                   // used with "closed", "menu" and "pageSelector", determines title of blank starting page
	closedFrontChapter: 'Front Cover',          // used with "closed", "menu" and "chapterSelector", determines chapter name of blank starting page
	closedBackTitle:    null,                   // used with "closed", "menu" and "pageSelector", determines chapter name of blank ending page
	closedBackChapter:  'Back Cover',           // used with "closed", "menu" and "chapterSelector", determines chapter name of blank ending page
	covers:             true,                   // used with "closed", makes first and last pages into covers, without page numbers (if enabled)
	autoCenter:         true,                   // used with "closed", makes book position in center of container when closed

	pagePadding:        20,                     // padding for each page wrapper
	pageNumbers:        true,                   // display page numbers on each page
	
	manual:             false,                  // enables manual page turning, requires jQuery UI to function
	hovers:             false,                  // enables preview pageturn hover animation, shows a small preview of previous or next page on hover
	overlays:           false,                  // enables navigation using a page sized overlay, when enabled links inside the content won't be clickable

	tabs:               false,                  // adds tabs along the top of the pages
	tabWidth:           60,                     // set the width of the tabs
	tabHeight:          20,                     // set the height of the tabs
	
	arrows:             true,                   // adds arrows overlayed over the book edges
	arrowsHide:         false,                  // auto hides arrows when controls are not hovered
	cursor:             'pointer',              // cursor css setting for side bar areas

	hash:               true,                   // enables navigation using a hash string, ex: #/page/1 for page 1
	keyboard:           true,                   // enables navigation with arrow keys (left: previous, right: next)
	next:               null,                   // selector for element to use as click trigger for next page
	prev:               null,                   // selector for element to use as click trigger for previous page
	auto:               false,                  // enables automatic navigation, requires "delay"
	delay:              5000,                   // amount of time between automatic page flipping
	pause:              null,                   // selector for element to use as click trigger for pausing auto page flipping
	play:               null,                   // selector for element to use as click trigger for restarting auto page flipping

	menu:               'nav',                  // selector for element to use as the menu area, required for 'pageSelector'
	pageSelector:       false,                  // enables navigation with a dropdown menu of pages, requires 'menu'
	chapterSelector:    true,                   // enables navigation with a dropdown menu of chapters, determined by the "rel" attribute, requires 'menu'

	shadows:            false,                  // display shadows on page animations
	shadowTopFwdWidth:  166,                    // shadow width for top forward anim
	shadowTopBackWidth: 166,                    // shadow width for top back anim
	shadowBtmWidth:     50,                     // shadow width for bottom shadow

	before:             function(){},           // callback invoked before each page turn animation
	after:              function(){}            // callback invoked after each page turn animation

}});
// CUSTOM //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
jQuery(document).ready(function($){

/*Get the current coordinates of the first element in the set of matchedelements, relative to the closest positioned ancestor element that matches the selector. @param {Object} selector */
jQuery.fn.positionAncestor = function(selector) {
    var left = 0;
    var top = 0;
    this.each(function(index, element) {
        // check if current element has an ancestor matching a selector
        // and that ancestor is positioned
        var $ancestor = $(this).closest(selector);
        if ($ancestor.length && $ancestor.css("position") !== "static") {
            var $child = $(this);
            var childMarginEdgeLeft = $child.offset().left - parseInt($child.css("marginLeft"), 10);
            var childMarginEdgeTop = $child.offset().top - parseInt($child.css("marginTop"), 10);
            var ancestorPaddingEdgeLeft = $ancestor.offset().left + parseInt($ancestor.css("borderLeftWidth"), 10);
            var ancestorPaddingEdgeTop = $ancestor.offset().top + parseInt($ancestor.css("borderTopWidth"), 10);
            left = childMarginEdgeLeft - ancestorPaddingEdgeLeft;
            top = childMarginEdgeTop - ancestorPaddingEdgeTop;
            // we have found the ancestor and computed the position
            // stop iterating
            return false;
        }
    });
    return {
        left:    left,
        top:    top
    }
};
	//Initialize Booklet Plugin ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
	$('article:first').attr('rel', 'Publications');
	$('#book').booklet();
		
		//Remove pre-load styles
		$('body').css({
			'height': 'auto',
			'width': 'auto',
		//	'overflow-y': 'auto',
			'overflow-x': 'auto'
		});
		
		$('header, article, section, footer').css({ 
			'background-color':'transparent',
			'float':'none',
			'padding': 0,
			'margin': 0,
		});
	
	
	//Fix TOC pagination ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
	//Manual fix	
	var moveMe = $('section.toc ul.2004:first-child');
	moveMe.appendTo( 
		moveMe.parents('.b-page').siblings('.b-page-3').find('ul.2004')
	);
	
	$('section.toc ul.2000:first-child').remove();

	var moveMe = $('section.toc h3.1999:first-child');
	moveMe.appendTo( 
		moveMe.parents('.b-page').siblings('.b-page-4').find('section.toc')
	);
	var moveMe = $('section.toc ul.1999:first-child');
	moveMe.appendTo( 
		moveMe.parents('.b-page').siblings('.b-page-4').find('section.toc')
	);
	
	var moveMe = $('section.toc ul.1998:first-child');
	moveMe.appendTo( 
		moveMe.parents('.b-page').siblings('.b-page-5').find('ul.1998')
	);
	
	var moveMe = $('section.toc h3.1997:first-child');
	moveMe.appendTo( 
		moveMe.parents('.b-page').siblings('.b-page-5').find('section.toc')
	);
	
	var moveMe = $('section.toc ul.1997:first-child');
	moveMe.appendTo( 
		moveMe.parents('.b-page').siblings('.b-page-5').find('section.toc')
	);
	var moveMe = $('section.toc ul.1995:first-child');
	moveMe.appendTo( 
		moveMe.parents('.b-page').siblings('.b-page-6').find('ul.1995')
	);
	
	var moveMe = $('section.toc h3.1994:first-child');
	moveMe.appendTo( 
		moveMe.parents('.b-page').siblings('.b-page-6').find('section.toc')
	);
	
	var moveMe = $('section.toc ul.1994:first-child');
	moveMe.appendTo( 
	moveMe.parents('.b-page').siblings('.b-page-6').find('section.toc')
	);
	
	
	
/*	$('section.toc').each( function() {
		//Set basic heights
		var tocH = $(this).height();
		var diff = $(this).parent('.b-wrap').innerHeight() - tocH;
		if ( tocH == 0 ) {
			diff = 0;
		}
		var nextChild =  $(this).parents('.b-page').next().find('section.toc').children().first();
		nextChild.addClass('nextChild');
		
		//Gather all children of next element until heights are close to diff
		var height=0;
		i=0;
				
		while (height<=diff) {
			//If going on too long, break the script
		/*	if (i > 10) {
				alert('break');
				break;
			}
			
			//If will be greater than diff, break loop early
			if (height + nextChild.height() > diff) {
				break;
			}
						
			if (nextChild.height() === null) {
				nextChild = nextChild.next();
			}
			height = height + nextChild.height();
			nextChild = nextChild.next();
			i++
			} 
		alert(diff+'vs'+height);
	
	});*/
	
	//Fix smalls ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
	$('h2 small').each( function() {
		$(this).siblings('time').appendTo(this);
	});
		
	//Fix List Column Widths //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
	var totalW = $('article').width();
	
	var liOuterW = $('article strong + ul li a').outerWidth();
	var liInnerW = $('article strong + ul li a').width();
		var difference = liOuterW - liInnerW;	//:even padding
		
	var newW = totalW - liOuterW - difference;
	$('article strong + ul li a:odd').css({	'width': newW,	});
	
	//Download citations ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
	$('aside').each( function() {
		var strong = $(this).siblings('strong').next('p').first();
		if ( strong.length ) {
			$(this).insertBefore(strong);
		}
		else {
			$(this).addClass('horizontal');
		}
	});
	
	$('li.downloadCite').hover(
		function (){ $(this).children('ul').stop(true, true).slideDown(); },
		function (){ $(this).children('ul').stop(true, true).slideUp();	  } );
});