/**
 * jGestures: a jQuery plugin for gesture events 
 * Copyright 2010, Neue Digitale / Razorfish GmbH

 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 * See the License for the specific language governing permissions and 
 * limitations under the License. 
 * 
 * This is still a beta version, bugfixes and improvements appreciated.
 * @copyright Neue Digitale / Razorfish GmbH 
 * @author martin.krause@neue-digitale.de
 * @version 0.87
 * 
 * @requires 
 * jQuery JavaScript Library v1.4.2 - http://jquery.com/
 * 	Copyright 2010, John Resig
 * 	Dual licensed under the MIT or GPL Version 2 licenses.
 * 	http://jquery.org/license
 */
(function(b){b.jGestures={};b.jGestures.defaults={};b.jGestures.defaults.thresholdPinchopen=0.05;b.jGestures.defaults.thresholdPinchmove=0.05;b.jGestures.defaults.thresholdPinch=0.05;b.jGestures.defaults.thresholdPinchclose=0.05;b.jGestures.defaults.thresholdRotatecw=5;b.jGestures.defaults.thresholdRotateccw=5;b.jGestures.defaults.thresholdMove=20;b.jGestures.defaults.thresholdSwipe=100;b.jGestures.data={};b.jGestures.data.capableDevicesInUserAgentString=["iPad","iPhone","iPod","Mobile Safari"];b.jGestures.data.hasGestures=(function(){var j;for(j=0;j<b.jGestures.data.capableDevicesInUserAgentString.length;j++){if(navigator.userAgent.indexOf(b.jGestures.data.capableDevicesInUserAgentString[j])!==-1){return true}}return false})();b.hasGestures=b.jGestures.data.hasGestures;b.jGestures.events={touchstart:"jGestures.touchstart",touchendStart:"jGestures.touchend;start",touchendProcessed:"jGestures.touchend;processed",gesturestart:"jGestures.gesturestart",gestureendStart:"jGestures.gestureend;start",gestureendProcessed:"jGestures.gestureend;processed"};jQuery.each({orientationchange_orientationchange01:"orientationchange",gestureend_pinchopen01:"pinchopen",gestureend_pinchclose01:"pinchclose",gestureend_rotatecw01:"rotatecw",gestureend_rotateccw01:"rotateccw",gesturechange_pinch01:"pinch",gesturechange_rotate01:"rotate",touchstart_swipe13:"swipemove",touchstart_swipe01:"swipeone",touchstart_swipe02:"swipetwo",touchstart_swipe03:"swipethree",touchstart_swipe04:"swipefour",touchstart_swipe05:"swipeup",touchstart_swipe06:"swiperightup",touchstart_swipe07:"swiperight",touchstart_swipe08:"swiperightdown",touchstart_swipe09:"swipedown",touchstart_swipe10:"swipeleftdown",touchstart_swipe11:"swipeleft",touchstart_swipe12:"swipeleftup",touchstart_tap01:"tapone",touchstart_tap02:"taptwo",touchstart_tap03:"tapthree",touchstart_tap04:"tapfour"},function(k,j){jQuery.event.special[j]={setup:function(){var q=k.split("_");var n=q[0];var l=q[1].slice(0,q[1].length-2);var o=jQuery(this);if(!o.data("ojQueryGestures")||!o.data("ojQueryGestures")[n]){var p=o.data("ojQueryGestures")||{};var m={};m[n]=true;b.extend(true,p,m);o.data("ojQueryGestures",p);if(b.hasGestures){switch(l){case"orientationchange":o.get(0).addEventListener("orientationchange",a,false);break;case"tap":case"swipe":case"swipeup":case"swiperightup":case"swiperight":case"swiperightdown":case"swipedown":case"swipeleftdown":case"swipeleft":o.get(0).addEventListener("touchstart",g,false);break;case"pinchopen":case"pinchclose":case"rotatecw":case"rotateccw":o.get(0).addEventListener("gesturestart",d,false);o.get(0).addEventListener("gestureend",h,false);break;case"pinch":case"rotate":o.get(0).addEventListener("gesturestart",d,false);o.get(0).addEventListener("gesturechange",e,false);break}}else{switch(l){case"tap":case"swipe":o.bind("mousedown",g);break;case"orientationchange":case"pinchopen":case"pinchclose":case"rotatecw":case"rotateccw":case"pinch":case"rotate":break}}}return false},add:function(m){var l=jQuery(this);var n=l.data("ojQueryGestures");n[m.type]={originalType:m.type};return false},remove:function(m){var l=jQuery(this);var n=l.data("ojQueryGestures");n[m.type]=false;l.data("ojQueryGestures",n);return false},teardown:function(){var q=k.split("_");var n=q[0];var l=q[1].slice(0,q[1].length-2);var o=jQuery(this);if(!o.data("ojQueryGestures")||!o.data("ojQueryGestures")[n]){var p=o.data("ojQueryGestures")||{};var m={};m[n]=false;b.extend(true,p,m);o.data("ojQueryGestures",p);if(b.hasGestures){switch(l){case"orientationchange":o.get(0).removeEventListener("orientationchange",a,false);break;case"tap":case"swipe":case"swipeup":case"swiperightup":case"swiperight":case"swiperightdown":case"swipedown":case"swipeleftdown":case"swipeleft":case"swipeleftup":o.get(0).removeEventListener("touchstart",g,false);o.get(0).removeEventListener("touchmove",f,false);o.get(0).removeEventListener("touchend",i,false);break;case"pinchopen":case"pinchclose":case"rotatecw":case"rotateccw":o.get(0).removeEventListener("gesturestart",d,false);o.get(0).removeEventListener("gestureend",h,false);break;case"pinch":case"rotate":o.get(0).removeEventListener("gesturestart",d,false);o.get(0).removeEventListener("gesturechange",e,false);break}}else{switch(l){case"tap":case"swipe":o.unbind("mousedown",g);o.unbind("mousemove",f);o.unbind("mouseup",i);break;case"orientationchange":case"pinchopen":case"pinchclose":case"rotatecw":case"rotateccw":case"pinch":case"rotate":break}}}return false}}});function c(j){j.startMove=(j.startMove)?j.startMove:{startX:null,startY:null,timestamp:null};var k=new Date().getTime();if(j.touches){var m=[{lastX:j.deltaX,lastY:j.deltaY,moved:null,startX:j.screenX-j.startMove.screenX,startY:j.screenY-j.startMove.screenY}];var l={vector:j.vector,orientation:window.orientation||null,lastX:((m[0].lastX>0)?+1:((m[0].lastX<0)?-1:0)),lastY:((m[0].lastY>0)?+1:((m[0].lastY<0)?-1:0)),startX:((m[0].startX>0)?+1:((m[0].startX<0)?-1:0)),startY:((m[0].startY>0)?+1:((m[0].startY<0)?-1:0))};m[0].moved=Math.sqrt(Math.pow(Math.abs(m[0].startX),2)+Math.pow(Math.abs(m[0].startY),2))}return{type:j.type||null,originalEvent:j.event||null,delta:m||null,direction:l||{orientation:window.orientation||null,vector:j.vector||null},duration:(j.startMove.timestamp)?k-j.timestamp:null,rotation:j.rotation||null,scale:j.scale||null,description:j.description||[j.type,":",j.touches,":",((m[0].lastX!=0)?((m[0].lastX>0)?"right":"left"):"steady"),":",((m[0].lastY!=0)?((m[0].lastY>0)?"down":"up"):"steady")].join("")}}function a(k){var j=["landscape:clockwise:","portrait:default:","landscape:counterclockwise:","portrait:upsidedown:"];b(window).triggerHandler("orientationchange",{direction:{orientation:window.orientation},description:["orientationchange:",j[((window.orientation/90)+1)],window.orientation].join("")})}function g(k){var j=jQuery(k.currentTarget);j.triggerHandler(b.jGestures.events.touchstart,k);if(b.hasGestures){k.currentTarget.addEventListener("touchmove",f,false);k.currentTarget.addEventListener("touchend",i,false)}else{j.bind("mousemove",f);j.bind("mouseup",i)}var m=j.data("ojQueryGestures");var l=(k.touches)?k.touches[0]:k;var n={};n.oLastSwipemove={screenX:l.screenX,screenY:l.screenY,timestamp:new Date().getTime()};n.oStartTouch={screenX:l.screenX,screenY:l.screenY,timestamp:new Date().getTime()};j.data("ojQueryGestures",b.extend(true,m,n))}function f(s){var u=jQuery(s.currentTarget);var r=u.data("ojQueryGestures");var p=!!s.touches;var k=(p)?s.changedTouches[0].screenX:s.screenX;var j=(p)?s.changedTouches[0].screenY:s.screenY;var q=r.oLastSwipemove;var n=k-q.screenX;var m=j-q.screenY;if(!!r.oLastSwipemove){var t=c({type:"swipemove",touches:(p)?s.touches.length:"1",screenY:j,screenX:k,deltaY:m,deltaX:n,startMove:q,event:s,timestamp:q.timestamp});u.triggerHandler(t.type,t)}var l={};var o=(s.touches)?s.touches[0]:s;l.oLastSwipemove={screenX:o.screenX,screenY:o.screenY,timestamp:new Date().getTime()};u.data("ojQueryGestures",b.extend(true,r,l))}function i(q){var u=jQuery(q.currentTarget);var w=!!q.changedTouches;var t=(w)?q.changedTouches.length:"1";var o=(w)?q.changedTouches[0].screenX:q.screenX;var n=(w)?q.changedTouches[0].screenY:q.screenY;u.triggerHandler(b.jGestures.events.touchendStart,q);if(b.hasGestures){q.currentTarget.removeEventListener("touchmove",f,false);q.currentTarget.removeEventListener("touchend",i,false)}else{u.unbind("mousemove",f);u.unbind("mouseup",i)}var l=u.data("ojQueryGestures");var x=(Math.abs(l.oStartTouch.screenX-o)>b.jGestures.defaults.thresholdMove||Math.abs(l.oStartTouch.screenY-n)>b.jGestures.defaults.thresholdMove)?true:false;var A=(Math.abs(l.oStartTouch.screenX-o)>b.jGestures.defaults.thresholdSwipe||Math.abs(l.oStartTouch.screenY-n)>b.jGestures.defaults.thresholdSwipe)?true:false;var z;for(z in l){var s=l.oStartTouch;var m={};var o=(w)?q.changedTouches[0].screenX:q.screenX;var n=(w)?q.changedTouches[0].screenY:q.screenY;var k=o-s.screenX;var j=n-s.screenY;var p=c({type:"swipe",touches:t,screenY:n,screenX:o,deltaY:j,deltaX:k,startMove:s,event:q,timestamp:s.timestamp});var v=["zero","one","two","three","four"];var r=false;switch(z){case"swipeone":if(w===false&&t==1&&x===false){break}if(w===false||(t==1&&x===true&&A===true)){r=true;p.type=["swipe",v[t]].join("");u.triggerHandler(p.type,p)}break;case"swipetwo":if((w&&t==2&&x===true&&A===true)){r=true;p.type=["swipe",v[t]].join("");u.triggerHandler(p.type,p)}break;case"swipethree":if((w&&t==3&&x===true&&A===true)){r=true;p.type=["swipe",v[t]].join("");u.triggerHandler(p.type,p)}break;case"swipefour":if((w&&t==4&&x===true&&A===true)){r=true;p.type=["swipe",v[t]].join("");u.triggerHandler(p.type,p)}break;case"swipeup":case"swiperightup":case"swiperight":case"swiperightdown":case"swipedown":case"swipeleftdown":case"swipeleft":case"swipeleftup":if(w&&x===true&&A===true){r=true;p.type=["swipe",((p.delta[0].lastX!=0)?((p.delta[0].lastX>0)?"right":"left"):""),((p.delta[0].lastY!=0)?((p.delta[0].lastY>0)?"down":"up"):"")].join("");u.triggerHandler(p.type,p)}break;case"tapone":case"taptwo":case"tapthree":case"tapfour":if((x!==true&&r!==true)&&(v[t]==z.slice(3))){p.description=["tap",v[t]].join("");p.type=["tap",v[t]].join("");u.triggerHandler(p.type,p)}break}var y={};u.data("ojQueryGestures",b.extend(true,l,y));u.data("ojQueryGestures",b.extend(true,l,y))}u.triggerHandler(b.jGestures.events.touchendProcessed,q)}function d(k){var j=jQuery(k.currentTarget);j.triggerHandler(b.jGestures.events.gesturestart,k);var l=j.data("ojQueryGestures");var m={};m.oStartTouch={timestamp:new Date().getTime()};j.data("ojQueryGestures",b.extend(true,l,m))}function e(k){var j=jQuery(k.currentTarget);var o,l,q,n;var p=j.data("ojQueryGestures");var m;for(m in 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