/* http://keith-wood.name/imageCube.html
   Image Cube for jQuery v1.2.1.
   Written by Keith Wood (kbwood{at}iinet.com.au) June 2008.
   Dual licensed under the GPL (http://dev.jquery.com/browser/trunk/jquery/GPL-LICENSE.txt) and 
   MIT (http://dev.jquery.com/browser/trunk/jquery/MIT-LICENSE.txt) licenses. 
   Please attribute the author if you use it. */
(function($){function ImageCube(){this._defaults={direction:'random',randomSelection:['up','down','left','right'],speed:2000,easing:'linear',repeat:true,pause:2000,selection:'forward',shading:true,opacity:0.8,imagePath:'',full3D:true,segments:20,reduction:30,expansion:10,lineHeight:[0.0,1.25],letterSpacing:[-0.4,0.0],beforeRotate:null,afterRotate:null}};var U=0;var V=1;var W=2;var X=3;var Y='imageCube';$.extend(ImageCube.prototype,{markerClassName:'hasImageCube',setDefaults:function(a){extendRemove(this._defaults,a||{})},_attachImageCube:function(b,c){b=$(b);if(b.hasClass(this.markerClassName)){return}var d=$.extend({_position:b.css('position')},this._defaults,c||{});$.data(b[0],Y,d);b.addClass(this.markerClassName).css({position:'relative'}).children().each(function(){var a=$(this);$.data(this,Y,{width:a.css('width'),height:a.css('height'),position:a.css('position'),lineHeight:a.css('lineHeight'),letterSpacing:a.css('letterSpacing')});a.css({width:b.css('width'),height:b.css('height'),position:'absolute',lineHeight:d.lineHeight[1],letterSpacing:d.letterSpacing[1]})}).not(':first').hide();this._prepareRotation(b[0])},_prepareRotation:function(b){b=$(b);b.children('.imageCubeShading,.imageCubeFrom,.imageCubeTo').remove();var c=$.data(b[0],Y);c.current=b.children(':visible')[0];var d=function(a){return(!a.length?a:a.filter(':eq('+Math.floor(Math.random()*a.length)+')'))};c.next=(c.selection=='random'?d(b.children(':hidden')):(c.selection=='backward'?$(c.current).prev():$(c.current).next()));c.next=(c.next.length?c.next:(c.selection=='random'?c.current:(c.selection=='backward'?b.children(':last'):b.children(':first'))))[0];if(c.repeat&&!c._timer){c._timer=setTimeout(function(){$.imagecube._rotateImageCube(b[0])},c.pause)}$.data(b[0],Y,c)},_rotateImageCube:function(a,b,c){if(typeof b=='function'){c=b;b=''}a=$(a);this._stopImageCube(a[0],true);var d=$.data(a[0],Y);if(b!=null){b=(typeof b=='number'?a.children(':eq('+b+')'):$(b));if(a.children().filter(function(){return this===b[0]}).length>0){d.next=b}}var e=[d.current,d.next];if(d.beforeRotate){d.beforeRotate.apply(a[0],e)}var f={};f[Y]=1.0;a.attr(Y,0.0).animate(f,d.speed,d.easing,function(){if(d.afterRotate){d.afterRotate.apply(a[0],e)}if(c){c.apply(a[0])}})},_currentImageCube:function(a){return($(a).hasClass(this.markerClassName)?$.data(a,Y).current:null)},_nextImageCube:function(a){return($(a).hasClass(this.markerClassName)?$.data(a,Y).next:null)},_stopImageCube:function(a,b){var c=$.data(a,Y);if(c._timer){clearTimeout(c._timer);c._timer=null}if(!b){c.repeat=false}$.data(a,Y,c)},_startImageCube:function(a){this._changeImageCube(a,{repeat:true})},_changeImageCube:function(a,b,c){if(typeof b=='string'){var d={};d[b]=c;b=d}var e=$.data(a,Y);extendRemove(e||{},b||{});$.data(a,Y,e);this._prepareRotation(a)},_destroyImageCube:function(a){a=$(a);if(!a.hasClass(this.markerClassName)){return}this._stopImageCube(a[0]);var b=$.data(a[0],Y);a.stop().css({position:b._position}).removeClass(this.markerClassName).children('.imageCubeShading,.imageCubeFrom,.imageCubeTo').remove();a.children().each(function(){$(this).css($.data(this,Y)).show();$.removeData(this,Y)});$.removeData(a[0],Y)},_prepareAnimation:function(d){var e=$.data(d,Y);var d=$(d);var f={left:0,top:0};d.parents().each(function(){var a=$(this);if(a.css('position')=='fixed'){f.left-=a.offset().left;f.top-=a.offset().top;return false}});var g={width:d.width(),height:d.height()};var h=(e.direction!='random'?e.direction:e.randomSelection[Math.floor(Math.random()*e.randomSelection.length)]);h=Math.max(0,$.inArray(h,['up','down','left','right']));e._curDirection=h;var j=(h==U||h==V);var k=(h==W||h==X);var l=(h==U||h==W);var m=(l?0:e.opacity);var n=$(e.current);var o=$(e.next);var q=[];var r=function(p){var b=[0,0,0,0];if(!$.browser.msie||p.css('border')){for(var i=0;i<4;i++){b[i]=p.css('border'+['Left','Right','Top','Bottom'][i]+'Width');var a=($.browser.msie?1:0);b[i]=parseFloat({thin:1+a,medium:3+a,thick:5+a}[b[i]]||b[i])}}return b};q[0]=r(n);q[1]=r(o);var s=[];s[0]=[parseFloat(n.css('padding-left')),parseFloat(n.css('padding-right')),parseFloat(n.css('padding-top')),parseFloat(n.css('padding-bottom'))];s[1]=[parseFloat(o.css('padding-left')),parseFloat(o.css('padding-right')),parseFloat(o.css('padding-top')),parseFloat(o.css('padding-bottom'))];var t=[];t[0]=[($.boxModel?q[0][0]+q[0][1]+s[0][0]+s[0][1]:0),($.boxModel?q[0][2]+q[0][3]+s[0][2]+s[0][3]:0)];t[1]=[($.boxModel?q[1][0]+q[1][1]+s[1][0]+s[1][1]:0),($.boxModel?q[1][2]+q[1][3]+s[1][2]+s[1][3]:0)];var u=[];u[0]={elem:n[0],props:{left:{start:f.left,end:f.left+(h==X?g.width:0),units:'px'},width:{start:g.width-t[0][0],end:(j?g.width-t[0][0]:0),units:'px'},top:{start:f.top,end:f.top+(h==V?g.height:0),units:'px'},height:{start:g.height-t[0][1],end:(j?0:g.height-t[0][1]),units:'px'},paddingLeft:{start:s[0][0],end:(k?0:s[0][0]),units:'px'},paddingRight:{start:s[0][1],end:(k?0:s[0][1]),units:'px'},paddingTop:{start:s[0][2],end:(j?0:s[0][2]),units:'px'},paddingBottom:{start:s[0][3],end:(j?0:s[0][3]),units:'px'},borderLeftWidth:{start:q[0][0],end:(k?0:q[0][0]),units:'px'},borderRightWidth:{start:q[0][1],end:(k?0:q[0][1]),units:'px'},borderTopWidth:{start:q[0][2],end:(j?0:q[0][2]),units:'px'},borderBottomWidth:{start:q[0][3],end:(j?0:q[0][3]),units:'px'},lineHeight:{start:e.lineHeight[1],end:(j?e.lineHeight[0]:e.lineHeight[1]),units:'em'},letterSpacing:{start:e.letterSpacing[1],end:(j?e.letterSpacing[1]:e.letterSpacing[0]),units:'em'}}};u[1]={elem:o[0],props:{left:{start:f.left+(h==W?g.width:0),end:f.left,units:'px'},width:{start:(j?g.width-t[1][0]:0),end:g.width-t[1][0],units:'px'},top:{start:f.top+(h==U?g.height:0),end:f.top,units:'px'},height:{start:(j?($.browser.msie?1:0):g.height-t[1][1]),end:g.height-t[1][1],units:'px'},paddingLeft:{start:(k?0:s[1][0]),end:s[1][0],units:'px'},paddingRight:{start:(k?0:s[1][1]),end:s[1][1],units:'px'},paddingTop:{start:(j?0:s[1][2]),end:s[1][2],units:'px'},paddingBottom:{start:(j?0:s[1][3]),end:s[1][3],units:'px'},borderLeftWidth:{start:(k?0:q[1][0]),end:q[1][0],units:'px'},borderRightWidth:{start:(k?0:q[1][1]),end:q[1][1],units:'px'},borderTopWidth:{start:(j?0:q[1][2]),end:q[1][2],units:'px'},borderBottomWidth:{start:(j?0:q[1][3]),end:q[1][3],units:'px'},lineHeight:{start:(j?e.lineHeight[0]:e.lineHeight[1]),end:e.lineHeight[1],units:'em'},letterSpacing:{start:(j?e.letterSpacing[1]:e.letterSpacing[0]),end:e.letterSpacing[1],units:'em'}}};if(e.shading){var v=function(a,b,c){return{left:{start:a.left.start,end:a.left.end,units:'px'},width:{start:a.width.start,end:a.width.end,units:'px'},top:{start:a.top.start,end:a.top.end,units:'px'},height:{start:a.height.start,end:a.height.end,units:'px'},paddingLeft:{start:a.paddingLeft.start+a.borderLeftWidth.start,end:a.paddingLeft.end+a.borderLeftWidth.end,units:'px'},paddingRight:{start:a.paddingRight.start+a.borderRightWidth.start,end:a.paddingRight.end+a.borderRightWidth.end,units:'px'},paddingTop:{start:a.paddingTop.start+a.borderTopWidth.start,end:a.paddingTop.end+a.borderTopWidth.end,units:'px'},paddingBottom:{start:a.paddingBottom.start+a.borderBottomWidth.start,end:a.paddingBottom.end+a.borderBottomWidth.end,units:'px'},opacity:{start:b,end:c,units:''}}};u[2]={elem:$(($.browser.msie?'<img src="'+e.imagePath+'imageCubeHigh.png"':'<div')+' class="imageCubeShading" style="background-color: white; opacity: '+m+'; z-index: 10; position: absolute;"'+($.browser.msie?'/>':'></div>'))[0],props:v(u[l?0:1].props,m,e.opacity-m)};u[3]={elem:$(($.browser.msie?'<img src="'+e.imagePath+'imageCubeShad.png"':'<div')+' class="imageCubeShading" style="background-color: black; opacity: '+(e.opacity-m)+'; z-index: 10; position: absolute;"'+($.browser.msie?'/>':'></div>'))[0],props:v(u[l?1:0].props,e.opacity-m,m)}}if(e.full3D){for(var i=0;i<e.segments;i++){d.append(n.clone().addClass('imageCubeFrom').css({display:'block',position:'absolute',overflow:'hidden'}));if(e.shading){d.append($(u[l?2:3].elem).clone())}}for(var i=0;i<e.segments;i++){d.append(o.clone().addClass('imageCubeTo').css({display:'block',position:'absolute',width:0,overflow:'hidden'}));if(e.shading){d.append($(u[l?3:2].elem).clone())}}n.hide();o.css({width:g.width-t[1][0],height:g.height-t[1][1]})}else{var w=function(a){return{left:a.left.start+'px',width:a.width.start+'px',top:a.top.start+'px',height:a.height.start+'px',lineHeight:a.lineHeight.start+'em',padding:a.paddingTop.start+'px '+a.paddingRight.start+'px '+a.paddingBottom.start+'px '+a.paddingLeft.start+'px',borderLeftWidth:a.borderLeftWidth.start+'px',borderRightWidth:a.borderRightWidth.start+'px',borderTopWidth:a.borderTopWidth.start+'px',borderBottomWidth:a.borderBottomWidth.start+'px',letterSpacing:a.letterSpacing.start+'em',overflow:'hidden'}};n.css(w(u[0].props));o.css(w(u[1].props)).show();if(e.shading){d.append(u[2].elem).append(u[3].elem)}}for(var i=0;i<u.length;i++){for(var x in u[i].props){var y=u[i].props[x];y.diff=y.end-y.start}}return u},_drawFull3D:function(G,H,I){var J=$.data(G,Y);if(!J.full3D){return false}var G=$(G);var K=J._curDirection;var L=(K==U||K==V);var M=(K==U||K==W);var N=G.width();var O=G.height();if(N==0||O==0){return true}var P=(1-H)*(L?O:N);var Q=J.segments;var R=J.expansion*(1-Math.abs(2*P-(L?O:N))/(L?O:N));var S=J.reduction-(J.reduction*P/(L?O:N));var T=function(a,b,c,d,e,f,g,k,l,m,n,o){var p=[d-b,f-k];var w=Math.max(p[0],p[1]);var q=[l-c,g-e];var h=Math.max(q[0],q[1]);var r=(L?(p[0]-p[1])/(Q-1)/2:w/Q);var s=(L?h/Q:(q[0]-q[1])/(Q-1)/2);var t=n.paddingLeft[o]+n.paddingRight[o]+n.borderLeftWidth[o]+n.borderRightWidth[o];var u=n.paddingTop[o]+n.paddingBottom[o]+n.borderTopWidth[o]+n.borderBottomWidth[o];var v=Math.round(b);var x=Math.round(c);var y=v;var z=x;var i=0;for(var j=0;j<G[0].childNodes.length;j++){var A=G[0].childNodes[j];if(A.className!=a){continue}var B=Math.round(b+(i+1)*r);var C=Math.round(c+(i+1)*s);var D=p[0]-(L?2*i*r:0);var E=q[0]-(L?0:2*i*s);A.style.left=(L?y:b)+'px';A.style.top=(L?c:z)+'px';A.style.width=Math.max(0,D-t)+'px';A.style.height=Math.max(0,E-u)+'px';A.style.letterSpacing=(L?D/w*(J.letterSpacing[1]-J.letterSpacing[0])+J.letterSpacing[0]:H*n.letterSpacing.diff+n.letterSpacing.start)+n.letterSpacing.units;A.style.lineHeight=(!L?E/h*(J.lineHeight[1]-J.lineHeight[0])+J.lineHeight[0]:H*n.lineHeight.diff+n.lineHeight.start)+n.lineHeight.units;A.style.clip='rect('+(!L?'auto':(z-x)+'px')+','+(L?'auto':(B-v)+'px')+','+(!L?'auto':(C-x)+'px')+','+(L?'auto':(y-v)+'px')+')';if(J.shading){var F=A.nextSibling;F.style.left=y+'px';F.style.top=z+'px';F.style.width=(L?p[0]-2*i*r:B-y)+'px';F.style.height=(L?C-z:q[0]-2*i*s)+'px';F.style.opacity=m;if($.browser.msie){F.style.filter='alpha(opacity='+(m*100)+')'}}y=B;z=C;i++}};T('imageCubeFrom',[S,-R,0,N-P][K],[0,O-P,S,-R][K],[N-S,N+R,P,N][K],[0,O-P,-R,S][K],[N+R,N-S,P,N][K],[P,O,O+R,O-S][K],[-R,S,0,N-P][K],[P,O,O-S,O+R][K],(!J.shading?0:(M?H:1-H)*I[2].props.opacity.diff+I[2].props.opacity.start),I[0].props,'start');T('imageCubeTo',[-R,J.reduction-S,P,0][K],[P,0,-R,J.reduction-S][K],[N+R,N-(J.reduction-S),N,N-P][K],[P,0,J.reduction-S,-R][K],[N-(J.reduction-S),N+R,N,N-P][K],[O,O-P,O-(J.reduction-S),O+R][K],[J.reduction-S,-R,P,0][K],[O,O-P,O+R,O-(J.reduction-S)][K],(!J.shading?0:(M?H:1-H)*I[3].props.opacity.diff+I[3].props.opacity.start),I[1].props,'end');return true}});function extendRemove(a,b){$.extend(a,b);for(var c in b){if(b[c]==null){a[c]=null}}return a}$.fn.imagecube=function(a){var b=Array.prototype.slice.call(arguments,1);if(a=='current'||a=='next'){return $.imagecube['_'+a+'ImageCube'].apply($.imagecube,[this[0]].concat(b))}return this.each(function(){if(typeof a=='string'){$.imagecube['_'+a+'ImageCube'].apply($.imagecube,[this].concat(b))}else{$.imagecube._attachImageCube(this,a)}})};$.fx.step[Y]=function(a){if(a.state==0||!a.stepProps){a.start=0.0;a.end=1.0;a.stepProps=$.imagecube._prepareAnimation(a.elem);var b=a.stepProps[0].elem;a.saveCSS={borderLeftWidth:b.style.borderLeftWidth,borderRightWidth:b.style.borderRightWidth,borderTopWidth:b.style.borderTopWidth,borderBottomWidth:b.style.borderBottomWidth,padding:b.style.padding}}if(!$.imagecube._drawFull3D(a.elem,a.pos,a.stepProps)){for(var i=0;i<a.stepProps.length;i++){var c=a.stepProps[i];for(var d in c.props){var e=c.props[d];c.elem.style[d]=(a.pos*e.diff+e.start)+e.units;if($.browser.msie&&d=='opacity'){c.elem.style.filter='alpha(opacity='+((a.pos*e.diff+e.start)*100)+')'}}}}if(a.state==1){$(a.stepProps[0].elem).hide().css(a.saveCSS);$(a.stepProps[1].elem).show();$.imagecube._prepareRotation(a.elem)}};$.imagecube=new ImageCube()})(jQuery);