;(function($,window,document,undefined){(function(){var lastTime=0;var vendors=['ms','moz','webkit','o'];for(var x=0;x').prependTo('body');this.$slider=$('').prependTo(this.$mirror);this.$mirror.addClass('parallax-mirror').css({visibility:'hidden',zIndex:this.zIndex,position:'fixed',top:0,left:0,overflow:'hidden'});this.$slider.addClass('parallax-slider').one('load',function(){if(!self.naturalHeight||!self.naturalWidth){self.naturalHeight=this.naturalHeight||this.height||1;self.naturalWidth=this.naturalWidth||this.width||1;} self.aspectRatio=self.naturalWidth/self.naturalHeight;Parallax.isSetup||Parallax.setup();Parallax.sliders.push(self);Parallax.isFresh=false;Parallax.requestRender();});this.$slider[0].src=this.imageSrc;if(this.naturalHeight&&this.naturalWidth||this.$slider[0].complete){this.$slider.trigger('load');}};$.extend(Parallax.prototype,{speed:0.2,bleed:0,zIndex:-100,iosFix:true,androidFix:true,position:'center',overScrollFix:false,refresh:function(){this.boxWidth=this.$element.outerWidth();this.boxHeight=this.$element.outerHeight()+ this.bleed*2;this.boxOffsetTop=this.$element.offset().top- this.bleed;this.boxOffsetLeft=this.$element.offset().left;this.boxOffsetBottom=this.boxOffsetTop+ this.boxHeight;var winHeight=Parallax.winHeight;var docHeight=Parallax.docHeight;var maxOffset=Math.min(this.boxOffsetTop,docHeight- winHeight);var minOffset=Math.max(this.boxOffsetTop+ this.boxHeight- winHeight,0);var imageHeightMin=this.boxHeight+(maxOffset- minOffset)*(1- this.speed)|0;var imageOffsetMin=(this.boxOffsetTop- maxOffset)*(1- this.speed)|0;if(imageHeightMin*this.aspectRatio>=this.boxWidth){this.imageWidth=imageHeightMin*this.aspectRatio|0;this.imageHeight=imageHeightMin;this.offsetBaseTop=imageOffsetMin;var margin=this.imageWidth- this.boxWidth;if(this.positionX=='left'){this.offsetLeft=0;}else if(this.positionX=='right'){this.offsetLeft=- margin;}else if(!isNaN(this.positionX)){this.offsetLeft=Math.max(this.positionX,- margin);}else{this.offsetLeft=- margin/2|0;}}else{this.imageWidth=this.boxWidth;this.imageHeight=this.boxWidth/this.aspectRatio|0;this.offsetLeft=0;var margin=this.imageHeight- imageHeightMin;if(this.positionY=='top'){this.offsetBaseTop=imageOffsetMin;}else if(this.positionY=='bottom'){this.offsetBaseTop=imageOffsetMin- margin;}else if(!isNaN(this.positionY)){this.offsetBaseTop=imageOffsetMin+ Math.max(this.positionY,- margin);}else{this.offsetBaseTop=imageOffsetMin- margin/2|0;}}},render:function(){var scrollTop=Parallax.scrollTop;var scrollLeft=Parallax.scrollLeft;var overScroll=this.overScrollFix?Parallax.overScroll:0;var scrollBottom=scrollTop+ Parallax.winHeight;if(this.boxOffsetBottom>scrollTop&&this.boxOffsetTop