/*!
 * jaralax library
 * version: 0.2 public beta
 * http://jarallax.com/
 *
 * copyright 2012, jacko hoogeveen
 * dual licensed under the mit or gpl version 3 licenses.
 * http://jarallax.com/license.html
 * 
 * compressed by: http://jscompress.com
 *
 * date: 2/27/2012
 */



jarallax=function(a){this.jarallaxobject=[];this.animations=[];this.defaultvalues=[];this.progress=0;this.controllers=[];if(a===undefined){this.controllers.push(new controllerscroll)}else{if(a.length){this.controllers=a}else if(typeof a==="object"){this.controllers.push(a)}else{throw new error('wrong controller data type: "'+typeof a+'". expected "object" or "array"')}}for(var b=0;b<this.controllers.length;b++){this.controllers[b].activate(this)}};jarallax.prototype.setprogress=function(a){if(a>1){a=1}else if(a<0){a=0}else{this.progress=a}for(j=0;j<this.defaultvalues.length;j++){this.defaultvalues[j].activate(a)}for(k=0;k<this.animations.length;k++){this.animations[k].activate(a)}for(l=0;l<this.controllers.length;l++){this.controllers[l].update(a)}};jarallax.prototype.setdefault=function(a,b){if(!a){throw new error("no selector defined.")}if(jarallax.isvalues(b)){var c=new jarallaxdefault(a,b);c.activate();this.defaultvalues.push(c)}};jarallax.prototype.addstatic=function(a,b){if(!a){throw new error("no selector defined.")}if(jarallax.isvalues(b)){var c=new jarallaxstatic(a,b[0],b[1]);this.defaultvalues.push(c)}};jarallax.prototype.addanimation=function(a,b){if(!a){throw new error("no selector defined.")}if(jarallax.isvalues(b)){for(var c=0;c<b.length-1;c++){if(b[c]&&b[c+1]){if(b[c]["progress"]&&b[c+1]["progress"]){this.animations.push(new jarallaxanimation(a,b[c],b[c+1]))}else{throw new error("no animation boundry found.")}}else{throw new error("bad animation data.")}}}};jarallaxdefault=function(a,b){this.selector=a;this.values=b};jarallaxdefault.prototype.activate=function(a){for(i in this.values){$(this.selector).css(i,this.values[i])}};jarallaxstatic=function(a,b,c){this.selector=a;this.values=values};jarallaxstatic.prototype.activate=function(a){var b;var c;if(this.startvalues["progress"].indexof("%")>=0){b=parseint(this.startvalues["progress"],10)/100}if(this.endvalues["progress"].indexof("%")>=0){c=parseint(this.endvalues["progress"],10)/100}if(progress>b&&progress<c){for(i in this.startvalues){if(i!="progress"){$(this.selector).css(i,this.startvalues[i])}}}};jarallax.isvalues=function(a){if(!a){throw new error("no values set.")}if(typeof a!="object"){throw new error('wrong data type values. expected: "object", got: "'+typeof a+'"')}if(a.size===0){throw new error("got an empty values object")}return true};jarallax.getunits=function(a){return a.replace(/\d+/g,"")};jarallax.easing={linear:function(a,b,c,d,e){return a/d*c+b},easeout:function(a,b,c,d,e){if(e==undefined){e=2}return(math.pow((d-a)/d,e)*-1+1)*c+b},easein:function(a,b,c,d,e){if(e==undefined){e=2}return math.pow(a/d,e)*c+b},easeinout:function(a,b,c,d,e){if(e==undefined){e=2}c/=2;a*=2;if(a<d){return math.pow(a/d,e)*c+b}else{a=a-d;return(math.pow((d-a)/d,e)*-1+1)*c+b+c}return math.pow(a/d,e)*c+b}};jarallax.easing["none"]=jarallax.easing["linear"];jarallaxanimation=function(a,b,c){this.progress=0;this.selector=a;this.startvalues=b;this.endvalues=c};jarallaxanimation.prototype.activate=function(a){if(this.progress!=a){var b;var c;var d;if(this.startvalues["style"]==undefined){d={easing:"linear"}}else{d=this.startvalues["style"]}if(this.startvalues["progress"].indexof("%")>=0){b=parseint(this.startvalues["progress"],10)/100}if(this.endvalues["progress"].indexof("%")>=0){c=parseint(this.endvalues["progress"],10)/100}if(this.startvalues["event"]){this.dispatchevent(this.progress,a,b,c)}if(a>=b&&a<=c){for(i in this.startvalues){if(i!="progress"&&i!="style"&&i!="event"){if(undefined!=this.endvalues[i]){var e=jarallax.getunits(this.startvalues[i]+"");e=e.replace("-","");var f=parsefloat(this.startvalues[i]);var g=parsefloat(this.endvalues[i]);var h=c-b;var j=a-b;var k=g-f;var l=jarallax.easing[d["easing"]](j,f,k,h,d["easing"]["power"]);l+=e;$(this.selector).css(i,l)}else{$(this.selector).css(i,this.startvalues[i])}}}}this.progress=a}};jarallaxanimation.prototype.dispatchevent=function(a,b,c,d){var e=this.startvalues["event"];var f={};f.animation=this;f.selector=this.selector;if(b>=c&&b<=d){if(e.start&&a<c){f.type="start";e.start(f)}if(e.animating){f.type="animating";e.animating(f)}if(e.forward&&a<b){f.type="forward";e.forward(f)}if(e.reverse&&a>b){f.type="reverse";e.reverse(f)}}else{if(e.complete&&a<d&&b>d){f.type="complete";e.complete(f)}if(e.rewinded&&a>c&&b<c){f.type="rewinded";e.rewinded(f)}}};controllerscroll=function(){this.height=parseint(jquery("body").css("height"),10);this.target=$(window);this.scrollspace=this.height-this.target.height()};controllerscroll.prototype.activate=function(a){this.jarallax=a;this.target.bind("scroll",{me:this},this.onscroll)};controllerscroll.prototype.deactivate=function(a){};controllerscroll.prototype.onscroll=function(a){var b=a.data.me;var c=b.target.scrolltop();var d=c/b.scrollspace;b.jarallax.setprogress(d)};controllerscroll.prototype.update=function(a){};controllertime=function(a,b){this.interval=b;this.speed=a;this.forward=true};controllertime.prototype.oninterval=function(){this.jarallax.setprogress(this.progress);$("body").scrolltop(parseint(jquery("body").css("height"),10)*this.progress);if(this.progress>=1){this.progress=1;this.forward=false}else if(this.progress<=0){this.progress=0;this.forward=true}if(this.forward){this.progress+=this.speed}else{this.progress-=this.speed}};controllertime.prototype.activate=function(a){this.jarallax=a;this.progress=0;this.interval=$.interval(this.oninterval.bind(this),this.interval)};controllertime.prototype.deactivate=function(a){};controllertime.prototype.update=function(a){};controllerdrag=function(a,b,c){this.object=$(a);this.start=b;this.end=c;this.container="";this.width;this.startx=0;this.starty=0};controllerdrag.prototype.activate=function(a){this.jarallax=a;this.container="#scrollbar";this.object.draggable({containment:this.container,axis:"x"});this.object.bind("drag",{me:this},this.ondrag);this.container=$(this.container);this.width=$(this.container).innerwidth()-this.object.outerwidth()};controllerdrag.prototype.ondrag=function(a){var b=parseint($(this).css("left"),10);var c=b/a.data.me.width;a.data.me.jarallax.setprogress(c)};controllerdrag.prototype.deactivate=function(a){};controllerdrag.prototype.update=function(a){this.object.css("left",a*this.width)};controllerkeyboard=function(a,b,c){this.repetitiveinput=c;this.preventdefault=b||false;this.keys=a||{38:-.01,40:.01};this.keysstate=new object};controllerkeyboard.prototype.activate=function(a){this.jarallax=a;$(document.documentelement).keydown({me:this},this.keydown);$(document.documentelement).keyup({me:this},this.keyup);for(key in this.keys){this.keysstate[key]=false}};controllerkeyboard.prototype.deactivate=function(a){};controllerkeyboard.prototype.keydown=function(a){var b=a.data.me;for(key in b.keys){if(key==a.keycode){if(b.keysstate[key]!==true||b.repetitiveinput){b.jarallax.setprogress(b.jarallax.progress+b.keys[key])}b.keysstate[key]=true;if(b.preventdefault){a.preventdefault()}}}};controllerkeyboard.prototype.keyup=function(a){var b=a.data.me;for(key in b.keys){if(key==a.keycode){b.keysstate[key]=false}}};controllerkeyboard.prototype.update=function(a){};controllermousewheel=function(a,b){this.sensitivity=-a;this.preventdefault=b||false};controllermousewheel.prototype.activate=function(a){this.jarallax=a;$("body").bind("mousewheel",{me:this},this.onscroll)};controllermousewheel.prototype.deactivate=function(a){this.jarallax=a};controllermousewheel.prototype.onscroll=function(a,b){controller=a.data.me;controller.jarallax.setprogress(controller.jarallax.progress+controller.sensitivity*b);if(controller.preventdefault){a.preventdefault()}};controllermousewheel.prototype.update=function(a){};controlleripadscroll=function(){this.x=0;this.previousx=-1;this.top=700;this.moveright=false};controlleripadscroll.prototype.activate=function(a,b){this.jarallax=a;this.values=b;$("body").bind("touchmove",{me:this},this.onscroll)};controlleripadscroll.prototype.onscroll=function(a){a.preventdefault();var b=a.data.me;var c=a.originalevent.touches.item(0);if(b.previousx==-1){b.previousx=c.clientx}else{if(c.clientx-b.previousx<100&&c.clientx-b.previousx>-100){if(b.moveright){b.x-=c.clientx-b.previousx}else{b.x+=c.clientx-b.previousx}b.x=b.x<1e3?b.x:1e3;b.x=b.x>0?b.x:0}b.previousx=c.clientx;b.jarallax.setprogress(b.x/b.top)}};controlleripadscroll.prototype.deactivate=function(a){};controlleripadscroll.prototype.update=function(a){}