/* -------- 
 * very simple Lightbox script.
 * Copyright (c) 2009 Hiroya Fujii
 * http://blog.3ot.net/design/javascript/20090817153430.html
 * Dual licensed under the MIT and GPL licenses
 * This script uses jQuery and SimpleModal plugin.
 -------- */

var sbox = {};

sbox.conf = {
	loader: './ajax-loader.gif',
	hoverIn: { opacity: 0.8, border: 'solid 1px red', margin: '2px' },
	hoverOut: { opacity: 1.0, border: 'solid 1px #535353', margin: '2px' },
	padding: 25,
	bgColor: '#ffffff'
};

$(function(){sbox.func.start();});sbox.func={start:function(){var idx,img;img=new Image();img.onload=function(){sbox.conf.loaderSize=sbox.func.imgSize(img);};img.src=sbox.conf.loader;$("a[rel='lightbox']").each(function(idx){$('img',this).css(sbox.conf.hoverOut);$(this).hover(function(){$('img',this).css(sbox.conf.hoverIn)},function(){$('img',this).css(sbox.conf.hoverOut)}).click(function(ev){sbox.func.modal($(this).attr('href'));ev.preventDefault();});});},modal:function(src){$('<img src="'+sbox.conf.loader+'" id="modalLoader" />').modal({opacity:80,containerId:'modalCon',overlayId:'modalOverlay',overlayCss:{backgroundColor:'#000'},containerCss:{width:sbox.conf.loaderSize.w+'px',height:sbox.conf.loaderSize.h+'px'},closeHTML:'',escClose:true,overlayClose:true,onClose:function(e){sbox.func.close();},onOpen:function(e){sbox.func.open(e,src);}});},open:function(e,src){e.overlay.fadeIn('fast',function(){e.container.fadeIn('fast',function(){$('#modalLoader').fadeIn('fast',function(){sbox.func.loadImg(src);});});});},close:function(){if($.browser.opera){$('[id^="modal"]').hide().remove();$.modal.close();}else{$('#modalCon').fadeOut('fast',function(){$('#modalOverlay').fadeOut('fast',function(){$.modal.close();});});};},loadImg:function(src){var img=new Image();img=document.createElement('img');img.onload=function(){sbox.func.showImg(src,img);}
img.src=src;},showImg:function(src,img){var param=this.param(src,img);$('.simplemodal-wrap').remove();$('#modalCon').css({width:param.wrapW+'px',height:param.wrapW+'px',left:param.conL+'px',top:param.conT+'px',zIndex:1003}).append(this.dom(param));$('#modalCon, #modalWrap').fadeIn('slow',function(){$('#modalLoader').hide();$('#modalImg').slideDown('slow').click(function(){sbox.func.close();});});},dom:function(param){var wrap=$('<div id="modalWrap"></div>');var img=$('<img src="'+param.path+'" id="modalImg" />');$(wrap).css({width:param.wrapW+'px',height:param.wrapH+'px',zIndex:1004,position:'relative',top:0,left:0,display:'none'});$(img).attr({width:param.w+'px',height:param.h+'px'}).css({width:param.w+'px',height:param.h+'px',position:'absolute',top:sbox.conf.padding+'px',left:sbox.conf.padding+'px',cursor:'pointer',zIndex:1006,display:'none'});$(wrap).css({background:sbox.conf.bgColor}).append(img);return wrap;},param:function(src,img){var imgSize,winSize,wrapW,wrapH;winSize=$.modal.impl.getDimensions();imgSize=this.imgSize(img);imgSize=this.resize(imgSize.w,imgSize.h,winSize[1]-180,winSize[0]-120);wrapW=imgSize.w+sbox.conf.padding*2;wrapH=imgSize.h+sbox.conf.padding*2;return{path:src,w:imgSize.w,h:imgSize.h,wrapW:wrapW,wrapH:wrapH,conL:(winSize[1]-wrapW)/2,conT:(winSize[0]-wrapH)/2,winW:winSize[1],winH:winSize[0]};},resize:function(w,h,maxW,maxH){var x=(maxH/h>=maxW/w?maxW/w:maxH/h);x=(x>1?1:x);return{w:parseInt(x*w),h:parseInt(x*h)};},imgSize:function(img){var w,h;if($(img).width()&&$(img).width()!=0){w=img.width();h=img.height();}else if(img.naturalWidth&&img.naturalWidth!=0){w=img.naturalWidth;h=img.naturalHeight;}else{$('body').append(img);$(img).css({position:'absolute',visibility:'hidden',top:0,left:0});w=img.offsetWidth;h=img.offsetHeight;$(img).remove();}
return{w:(w?w:'NA'),h:(h?h:'NA')};}};