jQuery.fn.crossSlide=function(opts,plan){var self=this,self_width=this.width(),self_height=this.height();function format(str){for(var i=1;i<arguments.length;i++)
str=str.replace(new RegExp('\\{'+(i-1)+'}','g'),arguments[i]);return str;}
function abort(){arguments[0]='crossSlide: '+arguments[0];throw new Error(format.apply(null,arguments));}
(function(proceed){var n_loaded=0;function loop(i,img){img.onload=function(e){n_loaded++;plan[i].width=img.width;plan[i].height=img.height;if(n_loaded==plan.length)
proceed();}
img.src=plan[i].src;if(i+1<plan.length)
loop(i+1,new Image());}
loop(0,new Image());})(function(){function parse_position_param(param){var zoom=1;var tokens=param.replace(/^\s*|\s*$/g,'').split(/\s+/);if(tokens.length>3)throw new Error();if(tokens[0]=='center')
if(tokens.length==1)
tokens=['center','center'];else if(tokens.length==2&&tokens[1].match(/^[\d.]+x$/i))
tokens=['center','center',tokens[1]];if(tokens.length==3)
zoom=parseFloat(tokens[2].match(/^([\d.]+)x$/i)[1]);var pos=tokens[0]+' '+tokens[1];if(pos=='left bottom'||pos=='bottom left')return{xrel:0,yrel:0,zoom:zoom};if(pos=='left center'||pos=='center left')return{xrel:0,yrel:.5,zoom:zoom};if(pos=='left bottom'||pos=='bottom left')return{xrel:0,yrel:1,zoom:zoom};if(pos=='center bottom'||pos=='bottom center')return{xrel:.5,yrel:0,zoom:zoom};if(pos=='center center')return{xrel:.5,yrel:.5,zoom:zoom};if(pos=='center bottom'||pos=='bottom center')return{xrel:.5,yrel:1,zoom:zoom};if(pos=='right bottom'||pos=='bottom right')return{xrel:1,yrel:0,zoom:zoom};if(pos=='right center'||pos=='center right')return{xrel:1,yrel:.5,zoom:zoom};if(pos=='right bottom'||pos=='bottom right')return{xrel:1,yrel:1,zoom:zoom};return{xrel:parseInt(tokens[0].match(/^(\d+)%$/)[1])/100,yrel:parseInt(tokens[1].match(/^(\d+)%$/)[1])/100,zoom:zoom};}
function position_to_css(p,phase){switch(phase){case 1:var pos=0;break;case 2:var pos=fade_ms/(p.time_ms+2*fade_ms);break;case 3:var pos=1-fade_ms/(p.time_ms+2*fade_ms);break;case 4:var pos=1;break;}
return{left:Math.round(p.from.left+pos*(p.to.left-p.from.left)),top:Math.round(p.from.top+pos*(p.to.top-p.from.top)),width:Math.round(p.from.width+pos*(p.to.width-p.from.width)),height:Math.round(p.from.height+pos*(p.to.height-p.from.height))};}
if(!opts.fade)
abort('missing fade parameter.');if(opts.speed&&opts.sleep)
abort('you cannot set both speed and sleep at the same time.');var fade_ms=Math.round(opts.fade*1000);if(opts.sleep)
var sleep=Math.round(opts.sleep*1000);if(opts.speed)
var speed=opts.speed/1000,fade_px=Math.round(fade_ms*speed);self.empty().css({overflow:'hidden',padding:0});if(!/^(absolute|relative|fixed)$/.test(self.css('position')))
self.css({position:'relative'});if(!self.width()||!self.height())
abort('container element does not have its own width and height');if(opts.shuffle)
plan.sort(function(){return Math.random()-0.5;});for(var i=0;i<plan.length;++i){var p=plan[i];if(!p.src)
abort('missing src parameter in picture {0}.',i+1);if(speed){switch(p.dir){case'up':p.from={xrel:.5,yrel:0,zoom:1};p.to={xrel:.5,yrel:1,zoom:1};var slide_px=p.height-self_height-2*fade_px;break;case'down':p.from={xrel:.5,yrel:1,zoom:1};p.to={xrel:.5,yrel:0,zoom:1};var slide_px=p.height-self_height-2*fade_px;break;case'left':p.from={xrel:0,yrel:.5,zoom:1};p.to={xrel:1,yrel:.5,zoom:1};var slide_px=p.width-self_width-2*fade_px;break;case'right':p.from={xrel:1,yrel:.5,zoom:1};p.to={xrel:0,yrel:.5,zoom:1};var slide_px=p.width-self_width-2*fade_px;break;default:abort('missing or malformed "dir" parameter in picture {0}.',i+1);}
if(slide_px<=0)
abort('picture number {0} is too short for the desired fade duration.',i+1);p.time_ms=Math.round(slide_px/speed);}else if(!sleep){if(!p.from||!p.to||!p.time)
abort('missing either speed/sleep option, or from/to/time params in picture {0}.',i+1);try{p.from=parse_position_param(p.from)}catch(e){abort('malformed "from" parameter in picture {0}.',i+1);}
try{p.to=parse_position_param(p.to)}catch(e){abort('malformed "to" parameter in picture {0}.',i+1);}
if(!p.time)
abort('missing "time" parameter in picture {0}.',i+1);p.time_ms=Math.round(p.time*1000)}
if(p.from)
jQuery.each([p.from,p.to],function(i,from_to){from_to.width=Math.round(p.width*from_to.zoom);from_to.height=Math.round(p.height*from_to.zoom);from_to.left=Math.round((self_width-from_to.width)*from_to.xrel);from_to.top=Math.round((self_height-from_to.height)*from_to.yrel);});var elm;if(p.href)
elm=jQuery(format('<a href="{0}"><img src="{1}"/></a>',p.href,p.src));else
elm=jQuery(format('<img src="{0}"/>',p.src));if(p.onclick)
elm.click(p.onclick);if(p.alt)
elm.find('img').attr('alt',p.alt);elm.appendTo(self);}
speed=undefined;var imgs=self.find('img').css({position:'absolute',visibility:'hidden',bottom:0,left:0,border:0});imgs.eq(0).css({visibility:'visible'});if(!sleep)
imgs.eq(0).css(position_to_css(plan[0],2));var countdown=opts.loop;function create_chain(i,chainf){if(i%2==0){if(sleep){var i_sleep=i/2,i_hide=(i_sleep-1+plan.length)%plan.length,img_sleep=imgs.eq(i_sleep),img_hide=imgs.eq(i_hide);var newf=function(){img_hide.css('visibility','hidden');setTimeout(chainf,sleep);};}else{var i_slide=i/2,i_hide=(i_slide-1+plan.length)%plan.length,img_slide=imgs.eq(i_slide),img_hide=imgs.eq(i_hide),time=plan[i_slide].time_ms,slide_anim=position_to_css(plan[i_slide],3);var newf=function(){img_hide.css('visibility','hidden');img_slide.animate(slide_anim,time,'linear',chainf);};}}else{if(sleep){var i_from=Math.floor(i/2),i_to=Math.ceil(i/2)%plan.length,img_from=imgs.eq(i_from),img_to=imgs.eq(i_to),from_anim={},to_init={visibility:'visible'},to_anim={};if(i_to>i_from){to_init.opacity=0;to_anim.opacity=1;}else{from_anim.opacity=0;}
var newf=function(){img_to.css(to_init);if(from_anim.opacity!=undefined)
img_from.animate(from_anim,fade_ms,'linear',chainf);else
img_to.animate(to_anim,fade_ms,'linear',chainf);};}else{var i_from=Math.floor(i/2),i_to=Math.ceil(i/2)%plan.length,img_from=imgs.eq(i_from),img_to=imgs.eq(i_to),from_anim=position_to_css(plan[i_from],4),to_init=position_to_css(plan[i_to],1),to_anim=position_to_css(plan[i_to],2);if(i_to>i_from){to_init.opacity=0;to_anim.opacity=1;}else{from_anim.opacity=0;}
to_init.visibility='visible';var newf=function(){img_from.animate(from_anim,fade_ms,'linear');img_to.css(to_init);img_to.animate(to_anim,fade_ms,'linear',chainf);};}}
if(opts.loop&&i==plan.length*2-2){var newf_orig=newf;newf=function(){if(--countdown)newf_orig();}}
if(i>0)
return create_chain(i-1,newf);else
return newf;}
var animation=create_chain(plan.length*2-1,function(){return animation();});animation();});return self;};