(function($){$.fn.tinycircleslider=function(options){var defaults={interval:false,intervaltime:3500,snaptodots:false,hidedots:true,radius:140,lightbox:false,callback:null};var options=$.extend(defaults,options);var oCircle=$(this);var oCircleX=oCircle.outerWidth();var oCircleY=oCircle.outerHeight();var oThumb=$('.thumb',oCircle)[0];var oThumbX=$(oThumb).outerWidth();var oThumbY=$(oThumb).outerHeight();var oOverview=$('.overview',oCircle);var oDot={};var oTimer,oTimer2,oTimer3;var oChildren=oOverview.children();var oLinks=$('a',oChildren);var iPageX=$(oChildren[0]).outerWidth(true);var iChildsLength=oChildren.length,iOrginalAngle=0,iCounter=0,iCurrent=0,iFramerate=1;return this.each(function(){initialize();});function initialize(){setCircular();oOverview[0].style.width=iPageX*oChildren.length+'px';if(options.snaptodots){setDots()};gotoSlide(0);iOrginalAngle=1;setEvents();if(options.interval){setTimer(true)}};function setEvents(){oThumb.onmousedown=start;oThumb.ontouchstart=function(oEvent){oEvent.preventDefault();oThumb.onmousedown=null;start(oEvent);return false;}
if(oLinks.length>0){oCircle.css({'cursor':'pointer'}).click(function(oEvent){if($(oEvent.target).hasClass('overlay')){if(options.lightbox){$(oLinks[iCurrent]).trigger('click');}
else{location.href=oLinks[iCurrent].href;}}return false;});}
if(options.snaptodots){oDot.click(function(){if(iCounter==0)gotoSlide($(this).text()-1)});}};function start(oEvent){clearTimeout(oTimer3);$(document).mousemove(drag);document.ontouchmove=function(oEvent){$(document).unbind('mousemove');drag(oEvent);};document.onmouseup=oThumb.onmouseup=end;oThumb.ontouchend=document.ontouchend=function(oEvent){document.onmouseup=oThumb.onmouseup=null;end(oEvent);}
if(options.snaptodots&&options.hidedots){oDot.stop(true,true).fadeIn('slow');}
return false;};function end(oEvent){$(document).unbind('mousemove');document.ontouchmove=document.ontouchend=document.onmouseup=oThumb.onmouseup=oThumb.ontouchend=null;clearTimeout(oTimer2);if(options.snaptodots){if(options.hidedots){oDot.stop(true,true).fadeOut('slow');}
calculateMove();};if(options.interval){setTimer();}
return false;};function setCircular(){oOverview.append($(oChildren[0]).clone());oChildren=oOverview.children();};function setTimer(bFirst){oTimer3=setTimeout(function(){gotoSlide(iChildsLength*Math.random(),true)},(bFirst?50:options.intervaltime));};function setDots(){oDot=$('.dot',oCircle);var posX,posY;var oDotX=oDot.outerWidth(),oDotY=oDot.outerHeight();var iLength=(oChildren.length-1);var angle=(360/iLength)*(Math.PI/180);for(var i=1;i<=iLength;i++){posY=Math.round(-Math.cos(i*angle-angle)*options.radius+(oCircleY/2-oDotY/2));posX=Math.round(Math.sin(i*angle-angle)*options.radius+(oCircleX/2-oDotX/2));oDot.clone().addClass('dot-'+i).css({left:posX,top:posY}).html('<span>'+i+'</span>').insertAfter(oDot);}
oDot.remove();oDot=$('.dot',oCircle);};function gotoSlide(iNum,bTimed){var angle=Math.ceil(iNum)*(360/iChildsLength)*(Math.PI/180);iFramerate=Math.max(1,Math.round(Math.abs((angle*100)-(iOrginalAngle*100))/10));var iRatio=((angle*100)-(iOrginalAngle*100))/iFramerate;stepMove(iRatio,bTimed);};function drag(oEvent){oEvent.preventDefault();if(typeof(oEvent.touches)!='undefined'&&oEvent.touches.length==1){var oEvent=oEvent.touches[0];}
var oPos={x:oEvent.pageX-oCircle.offset().left-(oCircleX/2),y:oEvent.pageY-oCircle.offset().top-(oCircleY/2)}
iOrginalAngle=Math.atan2(oPos.x,-oPos.y);setCSS(iOrginalAngle);return false;};function calculateMove(){var iDropped=(iOrginalAngle*180/Math.PI)/(360/iChildsLength)*100;var iDot=Math.round((iOrginalAngle*180/Math.PI)/(360/iChildsLength))*100;iFramerate=Math.max(1,Math.round(Math.abs(iDot-iDropped)/10));var iStep=((iOrginalAngle*iDot/iDropped*100)-(iOrginalAngle*100))/iFramerate;oTimer2=setTimeout(function(){stepMove(iStep,false);},100);};function stepMove(iStep,bInterval){iCounter++
var angle=iOrginalAngle+((iCounter*iStep)/100);setCSS(angle,iCounter==iFramerate);if(iCounter<iFramerate){oTimer2=setTimeout(function(){stepMove(iStep,bInterval);},50);}else{iCounter=0;iOrginalAngle=angle;if(bInterval){setTimer();}}};function setCSS(angle,bFireCallback){var iDegrees=Math.round(angle*180/Math.PI);iDegrees=iDegrees<0?iDegrees+360:iDegrees;oOverview[0].style.left=-(iDegrees/360*((iPageX*(iChildsLength))))+'px';oThumb.style.top=Math.round(-Math.cos(angle)*options.radius+(oCircleY/2-oThumbY/2))+'px';oThumb.style.left=Math.round(Math.sin(angle)*options.radius+(oCircleX/2-oThumbX/2))+'px';iCurrent=(Math.min(iChildsLength-1,Math.round(iDegrees/360*iChildsLength)));if(typeof options.callback=='function'&&bFireCallback)options.callback.call(this,oChildren[iCurrent],iCurrent);};};})(jQuery);