/*
* Slides, A Slideshow Plugin for jQuery
* Intructions: http://slidesjs.com
* By: Nathan Searles, http://nathansearles.com
* Version: 1.0.9
* Updated: January 4th, 2011
*
* 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.
*/

(function($){$.fn.slides=function(option){option=$.extend({},$.fn.slides.option,option);
return this.each(function(){$('.'+option.container,$(this)).children().wrapAll('<div class="slides_control"/>');
var elem=$(this),control=$('.slides_control',elem),total=control.children().size(),width=control.children().outerWidth(),height=control.children().outerHeight(),start=option.start-1,effect=option.effect.indexOf(',')<0?option.effect:option.effect.replace(' ','').split(',')[0],paginationEffect=option.effect.indexOf(',')<0?effect:option.effect.replace(' ','').split(',')[1],next=0,prev=0,number=0,current=0,loaded,active,clicked,position,direction;
if(total<2){return;
}
if(start<0){start=0;
};
if(start>total){start=total-1;
};
if(option.start){current=start;
};
if(option.randomize){control.randomize();
}
$('.'+option.container,elem).css({overflow:'hidden',position:'relative'});
control.css({position:'relative',width:(width*3),height:height,left:-width});
control.children().css({position:'absolute',top:0,left:width,zIndex:0,display:'none'});
if(option.autoHeight){control.animate({height:control.children(':eq('+start+')').outerHeight()},option.autoHeightSpeed);
}
if(option.preload&&control.children()[0].tagName=='IMG'){elem.css({background:'url('+option.preloadImage+') no-repeat 50% 50%'});
var img=$('img:eq('+start+')',elem).attr('src')+'?'+(new Date()).getTime();
$('img:eq('+start+')',elem).attr('src',img).load(function(){$(this).fadeIn(option.fadeSpeed,function(){$(this).css({zIndex:5});
elem.css({background:''});
loaded=true;
});
});
}else{control.children(':eq('+start+')').fadeIn(option.fadeSpeed,function(){loaded=true;
});
}
if(option.bigTarget){control.children().css({cursor:'pointer'});
control.children().click(function(){animate('next',effect);
return false;
});
}
if(option.hoverPause&&option.play){control.children().bind('mouseover',function(){stop();
});
control.children().bind('mouseleave',function(){pause();
});
}
if(option.generateNextPrev){$('.'+option.container,elem).after('<a href="#" class="'+option.prev+'">Prev</a>');
$('.'+option.prev,elem).after('<a href="#" class="'+option.next+'">Next</a>');
}
$('.'+option.next,elem).click(function(e){e.preventDefault();
if(option.play){pause();
};
animate('next',effect);
});
$('.'+option.prev,elem).click(function(e){e.preventDefault();
if(option.play){pause();
};
animate('prev',effect);
});
if(option.generatePagination){elem.append('<ul class='+option.paginationClass+'></ul>');
control.children().each(function(){$('.'+option.paginationClass,elem).append('<li><a href="#'+number+'">'+(number+1)+'</a></li>');
number++;
});
}else{$('.'+option.paginationClass+' li a',elem).each(function(){$(this).attr('href','#'+number);
number++;
});
}
$('.'+option.paginationClass+' li:eq('+start+')',elem).addClass('current');
$('.'+option.paginationClass+' li a',elem).click(function(){if(option.play){pause();
};
clicked=$(this).attr('href').match('[^#/]+$');
if(current!=clicked){animate('pagination',paginationEffect,clicked);
}
return false;
});
$('a.link',elem).click(function(){if(option.play){pause();
};
clicked=$(this).attr('href').match('[^#/]+$')-1;
if(current!=clicked){animate('pagination',paginationEffect,clicked);
}
return false;
});
if(option.play){playInterval=setInterval(function(){animate('next',effect);
},option.play);
elem.data('interval',playInterval);
};
function stop(){clearInterval(elem.data('interval'));
};
function pause(){if(option.pause){clearTimeout(elem.data('pause'));
clearInterval(elem.data('interval'));
pauseTimeout=setTimeout(function(){clearTimeout(elem.data('pause'));
playInterval=setInterval(function(){animate("next",effect);
},option.play);
elem.data('interval',playInterval);
},option.pause);
elem.data('pause',pauseTimeout);
}else{stop();
}};
function animate(direction,effect,clicked){if(!active&&loaded){active=true;
switch(direction){case'next':prev=current;
next=current+1;
next=total===next?0:next;
position=width*2;
direction=-width*2;
current=next;
break;
case'prev':prev=current;
next=current-1;
next=next===-1?total-1:next;
position=0;
direction=0;
current=next;
break;
case'pagination':next=parseInt(clicked,10);
prev=$('.'+option.paginationClass+' li.current a',elem).attr('href').match('[^#/]+$');
if(next>prev){position=width*2;
direction=-width*2;
}else{position=0;
direction=0;
}
current=next;
break;
}
if(effect==='fade'){option.animationStart();
if(option.crossfade){control.children(':eq('+next+')',elem).css({zIndex:10}).fadeIn(option.fadeSpeed,function(){if(option.autoHeight){control.animate({height:control.children(':eq('+next+')',elem).outerHeight()},option.autoHeightSpeed,function(){control.children(':eq('+prev+')',elem).css({display:'none',zIndex:0});
control.children(':eq('+next+')',elem).css({zIndex:0});
option.animationComplete(next+1);
active=false;
});
}else{control.children(':eq('+prev+')',elem).css({display:'none',zIndex:0});
control.children(':eq('+next+')',elem).css({zIndex:0});
option.animationComplete(next+1);
active=false;
}});
}else{option.animationStart();
control.children(':eq('+prev+')',elem).fadeOut(option.fadeSpeed,function(){if(option.autoHeight){control.animate({height:control.children(':eq('+next+')',elem).outerHeight()},option.autoHeightSpeed,function(){control.children(':eq('+next+')',elem).fadeIn(option.fadeSpeed);
});
}else{control.children(':eq('+next+')',elem).fadeIn(option.fadeSpeed,function(){if($.browser.msie){$(this).get(0).style.removeAttribute('filter');
}});
}
option.animationComplete(next+1);
active=false;
});
}}else{control.children(':eq('+next+')').css({left:position,display:'block'});
if(option.autoHeight){option.animationStart();
control.animate({left:direction,height:control.children(':eq('+next+')').outerHeight()},option.slideSpeed,function(){control.css({left:-width});
control.children(':eq('+next+')').css({left:width,zIndex:5});
control.children(':eq('+prev+')').css({left:width,display:'none',zIndex:0});
option.animationComplete(next+1);
active=false;
});
}else{option.animationStart();
control.animate({left:direction},option.slideSpeed,function(){control.css({left:-width});
control.children(':eq('+next+')').css({left:width,zIndex:5});
control.children(':eq('+prev+')').css({left:width,display:'none',zIndex:0});
option.animationComplete(next+1);
active=false;
});
}}
if(option.pagination){$('.'+option.paginationClass+' li.current',elem).removeClass('current');
$('.'+option.paginationClass+' li:eq('+next+')',elem).addClass('current');
}}};
});
};
$.fn.slides.option={preload:false,preloadImage:'/img/loading.gif',container:'slides_container',generateNextPrev:false,next:'next',prev:'prev',pagination:true,generatePagination:true,paginationClass:'pagination',fadeSpeed:350,slideSpeed:350,start:1,effect:'slide',crossfade:false,randomize:false,play:0,pause:0,hoverPause:false,autoHeight:false,autoHeightSpeed:350,bigTarget:false,animationStart:function(){},animationComplete:function(){}};
$.fn.randomize=function(callback){function randomizeOrder(){return(Math.round(Math.random())-0.5);
}
return($(this).each(function(){var $this=$(this);
var $children=$this.children();
var childCount=$children.length;
if(childCount>1){$children.hide();
var indices=[];
for(i=0;
i<childCount;
i++){indices[indices.length]=i;
}
indices=indices.sort(randomizeOrder);
$.each(indices,function(j,k){var $child=$children.eq(k);
var $clone=$child.clone(true);
$clone.show().appendTo($this);
if(callback!==undefined){callback($child,$clone);
}
$child.remove();
});
}}));
};
})(jQuery);

