function WindowSize()
{this.w=0;this.h=0;return this.update();}
WindowSize.prototype.update=function()
{var d=document;this.w=(window.innerWidth)?window.innerWidth:(d.documentElement&&d.documentElement.clientWidth)?d.documentElement.clientWidth:d.body.clientWidth;this.h=(window.innerHeight)?window.innerHeight:(d.documentElement&&d.documentElement.clientHeight)?d.documentElement.clientHeight:d.body.clientHeight;return this;};function PageSize()
{this.win=new WindowSize();this.w=0;this.h=0;return this.update();}
PageSize.prototype.update=function()
{var d=document;this.w=(window.innerWidth&&window.scrollMaxX)?window.innerWidth+window.scrollMaxX:(d.body.scrollWidth>d.body.offsetWidth)?d.body.scrollWidth:d.body.offsetWidt;this.h=(window.innerHeight&&window.scrollMaxY)?window.innerHeight+window.scrollMaxY:(d.body.scrollHeight>d.body.offsetHeight)?d.body.scrollHeight:d.body.offsetHeight;this.win.update();if(this.w<this.win.w)this.w=this.win.w;if(this.h<this.win.h)this.h=this.win.h;return this;};function PagePos()
{this.x=0;this.y=0;return this.update();}
PagePos.prototype.update=function()
{var d=document;this.x=(window.pageXOffset)?window.pageXOffset:(d.documentElement&&d.documentElement.scrollLeft)?d.documentElement.scrollLeft:(d.body)?d.body.scrollLeft:0;this.y=(window.pageYOffset)?window.pageYOffset:(d.documentElement&&d.documentElement.scrollTop)?d.documentElement.scrollTop:(d.body)?d.body.scrollTop:0;return this;};function LightBox(option)
{var self=this;self._imgs=new Array();self._sets=new Array();self._wrap=null;self._box=null;self._img=null;self._open=-1;self._page=new PageSize();self._pos=new PagePos();self._zoomimg=null;self._expandable=false;self._expanded=false;self._funcs={'move':null,'up':null,'drag':null,'wheel':null,'dbl':null};self._level=1;self._curpos={x:0,y:0};self._imgpos={x:0,y:0};self._minpos={x:0,y:0};self._expand=option.expandimg;self._shrink=option.shrinkimg;self._resizable=option.resizable;self._timer=null;self._indicator=null;self._overall=null;self._openedset=null;self._prev=null;self._next=null;self._hiding=[];self._first=false;return self._init(option);}
LightBox.prototype={_init:function(option)
{var self=this;var d=document;if(!d.getElementsByTagName)return;if(Browser.isMacIE)return self;var links=d.getElementsByTagName("a");for(var i=0;i<links.length;i++)
{var anchor=links[i];var num=self._imgs.length;var rel=String(anchor.getAttribute("rel")).toLowerCase();if(!anchor.getAttribute("href")||!rel.match('lightbox'))continue;self._imgs[num]={src:anchor.getAttribute("href"),w:-1,h:-1,title:'',cls:anchor.className,set:rel};if(anchor.getAttribute("title"))
self._imgs[num].title=anchor.getAttribute("title");else if(anchor.firstChild&&anchor.firstChild.getAttribute&&anchor.firstChild.getAttribute("title"))
self._imgs[num].title=anchor.firstChild.getAttribute("title");anchor.onclick=self._genOpener(num);if(rel!='lightbox')
{if(!self._sets[rel])self._sets[rel]=new Array();self._sets[rel].push(num);}}
var body=d.getElementsByTagName("body")[0];self._wrap=self._createWrapOn(body,option.loadingimg);self._box=self._createBoxOn(body,option);self._img=self._box.firstChild;self._zoomimg=d.getElementById('actionImage');return self;},_genOpener:function(num)
{var self=this;return function(){self._show(num);return false;}},_createWrapOn:function(obj,imagePath)
{var self=this;if(!obj)return null;var wrap=document.createElement('div');obj.appendChild(wrap);wrap.id='overlay';wrap.style.display='none';wrap.style.position='fixed';wrap.style.top='0px';wrap.style.left='0px';wrap.style.zIndex='50';wrap.style.width='100%';wrap.style.height='100%';if(Browser.isWinIE)wrap.style.position='absolute';Event.register(wrap,"click",function(evt){self._close(evt);});var imag=new Image;imag.onload=function(){var spin=document.createElement('img');wrap.appendChild(spin);spin.id='loadingImage';spin.src=imag.src;spin.style.position='relative';self._set_cursor(spin);Event.register(spin,'click',function(evt){self._close(evt);});imag.onload=function(){};};if(imagePath!='')imag.src=imagePath;return wrap;},_createBoxOn:function(obj,option)
{var self=this;if(!obj)return null;var box=document.createElement('div');obj.appendChild(box);box.id='lightbox';box.style.display='none';box.style.position='absolute';box.style.zIndex='60';var img=document.createElement('img');box.appendChild(img);img.id='lightboxImage';self._set_cursor(img);Event.register(img,'mouseover',function(){self._show_action();});Event.register(img,'mouseout',function(){self._hide_action();});Event.register(img,'click',function(evt){self._close(evt);});if(option.previmg)
{var prevLink=document.createElement('img');box.appendChild(prevLink);prevLink.id='prevLink';prevLink.style.display='none';prevLink.style.position='absolute';prevLink.style.left='9px';prevLink.style.zIndex='70';prevLink.src=option.previmg;self._prev=prevLink;Event.register(prevLink,'mouseover',function(){self._show_action();});Event.register(prevLink,'click',function(){self._show_next(-1);});}
if(option.nextimg)
{var nextLink=document.createElement('img');box.appendChild(nextLink);nextLink.id='nextLink';nextLink.style.display='none';nextLink.style.position='absolute';nextLink.style.right='9px';nextLink.style.zIndex='70';nextLink.src=option.nextimg;self._next=nextLink;Event.register(nextLink,'mouseover',function(){self._show_action();});Event.register(nextLink,'click',function(){self._show_next(+1);});}
var zoom=document.createElement('img');box.appendChild(zoom);zoom.id='actionImage';zoom.style.display='none';zoom.style.position='absolute';zoom.style.top='15px';zoom.style.left='15px';zoom.style.zIndex='70';self._set_cursor(zoom);zoom.src=self._expand;Event.register(zoom,'mouseover',function(){self._show_action();});Event.register(zoom,'click',function(){self._zoom();});Event.register(window,'resize',function(){self._set_size(true);});if(option.closeimg)
{var btn=document.createElement('img');box.appendChild(btn);btn.id='closeButton';btn.style.display='inline';btn.style.position='absolute';btn.style.right='9px';btn.style.top='10px';btn.style.zIndex='80';btn.src=option.closeimg;self._set_cursor(btn);Event.register(btn,'click',function(evt){self._close(evt);});}
var caption=document.createElement('span');box.appendChild(caption);caption.id='lightboxCaption';caption.style.display='none';caption.style.position='absolute';caption.style.zIndex='80';if(!option.effectpos)
option.effectpos={x:0,y:0};else
{if(option.effectpos.x=='')option.effectpos.x=0;if(option.effectpos.y=='')option.effectpos.y=0;}
var effect=new Image;effect.onload=function()
{var effectImg=document.createElement('img');box.appendChild(effectImg);effectImg.id='effectImage';effectImg.src=effect.src;if(option.effectclass)effectImg.className=option.effectclass;effectImg.style.position='absolute';effectImg.style.display='none';effectImg.style.left=[option.effectpos.x,'px'].join('');;effectImg.style.top=[option.effectpos.y,'px'].join('');effectImg.style.zIndex='90';self._set_cursor(effectImg);Event.register(effectImg,'click',function(){effectImg.style.display='none';});};if(option.effectimg!='')effect.src=option.effectimg;if(self._resizable)
{var overall=document.createElement('div');obj.appendChild(overall);overall.id='lightboxOverallView';overall.style.display='none';overall.style.position='absolute';overall.style.zIndex='70';self._overall=overall;var indicator=document.createElement('div');obj.appendChild(indicator);indicator.id='lightboxIndicator';indicator.style.display='none';indicator.style.position='absolute';indicator.style.zIndex='80';self._indicator=indicator;}
return box;},_set_photo_size:function()
{var self=this;if(self._open==-1)return;var targ={w:self._page.win.w-30,h:self._page.win.h-30};var zoom={x:15,y:15};var navi={p:9,n:9,y:0};if(!self._expanded)
{var orig={w:self._imgs[self._open].w,h:self._imgs[self._open].h};var ratio=1.0;if((orig.w>=targ.w||orig.h>=targ.h)&&orig.h&&orig.w)
ratio=((targ.w/orig.w)<(targ.h/orig.h))?targ.w/orig.w:targ.h/orig.h;self._img.width=Math.floor(orig.w*ratio);self._img.height=Math.floor(orig.h*ratio);self._expandable=(ratio<1.0)?true:false;if(self._resizable)self._expandable=true;if(Browser.isWinIE)self._box.style.display="block";self._imgpos.x=self._pos.x+(targ.w-self._img.width)/2;self._imgpos.y=self._pos.y+(targ.h-self._img.height)/2;navi.y=Math.floor(self._img.height/2)-10;self._show_caption(true);self._show_overall(false);}
else
{var width=parseInt(self._imgs[self._open].w*self._level);var height=parseInt(self._imgs[self._open].h*self._level);self._minpos.x=self._pos.x+targ.w-width;self._minpos.y=self._pos.y+targ.h-height;if(width<=targ.w)
self._imgpos.x=self._pos.x+(targ.w-width)/2;else
{if(self._imgpos.x>self._pos.x)self._imgpos.x=self._pos.x;else if(self._imgpos.x<self._minpos.x)self._imgpos.x=self._minpos.x;zoom.x=15+self._pos.x-self._imgpos.x;navi.p=self._pos.x-self._imgpos.x-5;navi.n=width-self._page.win.w+self._imgpos.x+25;if(Browser.isWinIE)navi.n-=10;}
if(height<=targ.h)
{self._imgpos.y=self._pos.y+(targ.h-height)/2;navi.y=Math.floor(self._img.height/2)-10;}
else
{if(self._imgpos.y>self._pos.y)self._imgpos.y=self._pos.y;else if(self._imgpos.y<self._minpos.y)self._imgpos.y=self._minpos.y;zoom.y=15+self._pos.y-self._imgpos.y;navi.y=Math.floor(targ.h/2)-10+self._pos.y-self._imgpos.y;}
self._img.width=width;self._img.height=height;self._show_caption(false);self._show_overall(true);}
self._box.style.left=[self._imgpos.x,'px'].join('');self._box.style.top=[self._imgpos.y,'px'].join('');self._zoomimg.style.left=[zoom.x,'px'].join('');self._zoomimg.style.top=[zoom.y,'px'].join('');self._wrap.style.left=self._pos.x;if(self._prev&&self._next)
{self._prev.style.left=[navi.p,'px'].join('');self._next.style.right=[navi.n,'px'].join('');self._prev.style.top=self._next.style.top=[navi.y,'px'].join('');}},_show_overall:function(visible)
{var self=this;if(self._overall==null)return;if(visible)
{if(self._open==-1)return;var base=100;var outer={w:0,h:0,x:0,y:0};var inner={w:0,h:0,x:0,y:0};var orig={w:self._img.width,h:self._img.height};var targ={w:self._page.win.w-30,h:self._page.win.h-30};var max=orig.w;if(max<orig.h)max=orig.h;if(max<targ.w)max=targ.w;if(max<targ.h)max=targ.h;if(max<1)return;outer.w=parseInt(orig.w/max*base);outer.h=parseInt(orig.h/max*base);inner.w=parseInt(targ.w/max*base);inner.h=parseInt(targ.h/max*base);outer.x=self._pos.x+targ.w-base-20;outer.y=self._pos.y+targ.h-base-20;inner.x=outer.x-parseInt((self._imgpos.x-self._pos.x)/max*base);inner.y=outer.y-parseInt((self._imgpos.y-self._pos.y)/max*base);self._overall.style.left=[outer.x,'px'].join('');self._overall.style.top=[outer.y,'px'].join('');self._overall.style.width=[outer.w,'px'].join('');self._overall.style.height=[outer.h,'px'].join('');self._indicator.style.left=[inner.x,'px'].join('');self._indicator.style.top=[inner.y,'px'].join('');self._indicator.style.width=[inner.w,'px'].join('');self._indicator.style.height=[inner.h,'px'].join('');self._overall.style.display='block'
self._indicator.style.display='block';}
else
{self._overall.style.display='none';self._indicator.style.display='none';}},_set_size:function(onResize)
{var self=this;if(self._open==-1)return;self._page.update();self._pos.update();var spin=self._wrap.firstChild;if(spin)
{var top=(self._page.win.h-spin.height)/2;if(self._wrap.style.position=='absolute')top+=self._pos.y;spin.style.top=[top,'px'].join('');spin.style.left=[(self._page.win.w-spin.width-30)/2,'px'].join('');}
if(Browser.isWinIE)
{self._wrap.style.width=[self._page.win.w,'px'].join('');self._wrap.style.height=[self._page.win.h,'px'].join('');self._wrap.style.top=[self._pos.y,'px'].join('');}
if(onResize)self._set_photo_size();},_set_cursor:function(obj)
{var self=this;if(Browser.isWinIE&&!Browser.isNewIE)return;obj.style.cursor='pointer';},_current_setindex:function()
{var self=this;if(!self._openedset)return-1;var list=self._sets[self._openedset];for(var i=0,n=list.length;i<n;i++)
{if(list[i]==self._open)return i;}
return-1;},_get_setlength:function()
{var self=this;if(!self._openedset)return-1;return self._sets[self._openedset].length;},_show_action:function()
{var self=this;if(self._open==-1||!self._expandable)return;if(!self._zoomimg)return;self._zoomimg.src=(self._expanded)?self._shrink:self._expand;self._zoomimg.style.display='inline';var check=self._current_setindex();if(check>-1)
{if(check>0)self._prev.style.display='inline';if(check<self._get_setlength()-1)self._next.style.display='inline';}},_hide_action:function()
{var self=this;if(self._zoomimg)self._zoomimg.style.display='none';if(self._open>-1&&self._expanded)self._dragstop(null);if(self._prev)self._prev.style.display='none';if(self._next)self._next.style.display='none';},_zoom:function()
{var self=this;var closeBtn=document.getElementById('closeButton');if(self._expanded)
{self._reset_func();self._expanded=false;if(closeBtn)closeBtn.style.display='inline';}
else if(self._open>-1)
{self._level=1;self._imgpos.x=self._pos.x;self._imgpos.y=self._pos.y;self._expanded=true;self._funcs.drag=function(evt){self._dragstart(evt)};self._funcs.dbl=function(evt){self._close(null)};if(self._resizable)
{self._funcs.wheel=function(evt){self._onwheel(evt)};Event.register(self._box,'mousewheel',self._funcs.wheel);}
Event.register(self._img,'mousedown',self._funcs.drag);Event.register(self._img,'dblclick',self._funcs.dbl);if(closeBtn)closeBtn.style.display='none';}
self._set_photo_size();self._show_action();},_reset_func:function()
{var self=this;if(self._funcs.wheel!=null)Event.deregister(self._box,'mousewheel',self._funcs.wheel);if(self._funcs.move!=null)Event.deregister(self._img,'mousemove',self._funcs.move);if(self._funcs.up!=null)Event.deregister(self._img,'mouseup',self._funcs.up);if(self._funcs.drag!=null)Event.deregister(self._img,'mousedown',self._funcs.drag);if(self._funcs.dbl!=null)Event.deregister(self._img,'dblclick',self._funcs.dbl);self._funcs={'move':null,'up':null,'drag':null,'wheel':null,'dbl':null};},_onwheel:function(evt)
{var self=this;var delta=0;evt=Event.getEvent(evt);if(evt.wheelDelta)delta=event.wheelDelta/-120;else if(evt.detail)delta=evt.detail/3;if(Browser.isOpera)delta=-delta;var step=(self._level<1)?0.1:(self._level<2)?0.25:(self._level<4)?0.5:1;self._level=(delta>0)?self._level+step:self._level-step;if(self._level>8)self._level=8;else if(self._level<0.5)self._level=0.5;self._set_photo_size();return Event.stop(evt);},_dragstart:function(evt)
{var self=this;evt=Event.getEvent(evt);self._curpos.x=evt.screenX;self._curpos.y=evt.screenY;self._funcs.move=function(evnt){self._dragging(evnt);};self._funcs.up=function(evnt){self._dragstop(evnt);};Event.register(self._img,'mousemove',self._funcs.move);Event.register(self._img,'mouseup',self._funcs.up);return Event.stop(evt);},_dragging:function(evt)
{var self=this;evt=Event.getEvent(evt);self._imgpos.x+=evt.screenX-self._curpos.x;self._imgpos.y+=evt.screenY-self._curpos.y;self._curpos.x=evt.screenX;self._curpos.y=evt.screenY;self._set_photo_size();return Event.stop(evt);},_dragstop:function(evt)
{var self=this;evt=Event.getEvent(evt);if(self._funcs.move!=null)Event.deregister(self._img,'mousemove',self._funcs.move);if(self._funcs.up!=null)Event.deregister(self._img,'mouseup',self._funcs.up);self._funcs.move=null;self._funcs.up=null;self._set_photo_size();return(evt)?Event.stop(evt):false;},_show_caption:function(enable)
{var self=this;var caption=document.getElementById('lightboxCaption');if(!caption)return;if(caption.innerHTML.length==0||!enable)
{caption.style.display='none';}
else
{caption.style.top=[self._img.height+10,'px'].join('');caption.style.left='0px';caption.style.width=[self._img.width+20,'px'].join('');caption.style.display='block';}},_toggle_wrap:function(flag)
{var self=this;self._wrap.style.display=flag?"block":"none";if(self._hiding.length==0&&!self._first)
{var tags=['select','embed','object'];for(var i=0,n=tags.length;i<n;i++)
{var elem=document.getElementsByTagName(tags[i]);for(var j=0,m=elem.length;j<m;j++)
{var check=elem[j].style.visibility;if(!check)
{if(elem[j].currentStyle)
check=elem[j].currentStyle['visibility'];else if(document.defaultView)
check=document.defaultView.getComputedStyle(elem[j],'').getPropertyValue('visibility');}
if(check=='hidden')continue;self._hiding.push(elem[j]);}}
self._first=true;}
for(var i=0,n=self._hiding.length;i<n;i++)
self._hiding[i].style.visibility=flag?"hidden":"visible";},_show:function(num)
{var self=this;var imag=new Image;if(num<0||num>=self._imgs.length)return;var loading=document.getElementById('loadingImage');var caption=document.getElementById('lightboxCaption');var effect=document.getElementById('effectImage');self._open=num;self._set_size(false);self._toggle_wrap(true);if(loading)loading.style.display='inline';imag.onload=function(){if(self._imgs[self._open].w==-1)
{self._imgs[self._open].w=imag.width;self._imgs[self._open].h=imag.height;}
if(effect)
{effect.style.display=(!effect.className||self._imgs[self._open].cls==effect.className)?'block':'none';}
if(caption)
try{caption.innerHTML=self._imgs[self._open].title;}catch(e){}
self._set_photo_size();self._hide_action();self._box.style.display="block";self._img.src=imag.src;self._img.setAttribute('title',self._imgs[self._open].title);self._timer=window.setInterval(function(){self._set_size(true)},100);if(loading)loading.style.display='none';if(self._imgs[self._open].set!='lightbox')
{var set=self._imgs[self._open].set;if(self._sets[set].length>1)self._openedset=set;if(!self._prev||!self._next)self._openedset=null;}};self._expandable=false;self._expanded=false;imag.src=self._imgs[self._open].src;},_close_box:function()
{var self=this;self._open=-1;self._openedset=null;self._hide_action();self._hide_action();self._reset_func();self._show_overall(false);self._box.style.display="none";if(self._timer!=null)
{window.clearInterval(self._timer);self._timer=null;}},_show_next:function(direction)
{var self=this;if(!self._openedset)return self._close(null);var index=self._current_setindex()+direction;var targ=self._sets[self._openedset][index];self._close_box();self._show(targ);},_close:function(evt)
{var self=this;if(evt!=null)
{evt=Event.getEvent(evt);var targ=evt.target||evt.srcElement;if(targ&&targ.getAttribute('id')=='lightboxImage'&&self._expanded)return;}
self._close_box();self._toggle_wrap(false);}};Event.register(window,"load",function(){var lightbox=new LightBox({loadingimg:'js/loading.gif',expandimg:'js/expand.gif',shrinkimg:'js/shrink.gif',previmg:'js/prev.gif',nextimg:'js/next.gif',effectimg:'js/zzoop.gif',effectpos:{x:-40,y:-20},effectclass:'effectable',closeimg:'js/close.gif',resizable:true});});