diff --git a/jquery.isotope.js b/jquery.isotope.js
index de06666..3ac7932 100644
--- a/jquery.isotope.js
+++ b/jquery.isotope.js
@@ -892,7 +892,8 @@
   
     _fitRowsLayout : function( $elems ) {
       var instance = this,
-          containerWidth = this.element.width();
+          containerWidth = this.element.width(),
+          props = this.fitRows;
       
       $elems.each( function() {
         var $this = $(this),
@@ -900,19 +901,17 @@
             atomH = $this.outerHeight(true),
             x, y;
       
-        if ( instance.fitRows.x !== 0 && atomW + instance.fitRows.x > containerWidth ) {
+        if ( props.x !== 0 && atomW + props.x > containerWidth ) {
           // if this element cannot fit in the current row
-          instance.fitRows.x = 0;
-          instance.fitRows.y = instance.fitRows.height;
+          props.x = 0;
+          props.y = props.height;
         } 
       
         // position the atom
-        x = instance.fitRows.x;
-        y = instance.fitRows.y;
-        instance._pushPosition( $this, x, y );
+        instance._pushPosition( $this, props.x, props.y );
   
-        instance.fitRows.height = Math.max( instance.fitRows.y + atomH, instance.fitRows.height );
-        instance.fitRows.x += atomW;
+        props.height = Math.max( props.y + atomH, props.height );
+        props.x += atomW;
   
       });
     },
@@ -945,10 +944,8 @@
         var $this = $(this),
             col = props.index % props.cols,
             row = ~~( props.index / props.cols ),
-            x = ( col + 0.5 ) * props.columnWidth -
-                  $this.outerWidth(true) / 2,
-            y = ( row + 0.5 ) * props.rowHeight -
-                  $this.outerHeight(true) / 2;
+            x = ( col + 0.5 ) * props.columnWidth - $this.outerWidth(true) / 2,
+            y = ( row + 0.5 ) * props.rowHeight - $this.outerHeight(true) / 2;
         instance._pushPosition( $this, x, y );
         props.index ++;
       });
@@ -1085,26 +1082,25 @@
     
     _fitColumnsLayout : function( $elems ) {
       var instance = this,
-          containerHeight = this.element.height();
+          containerHeight = this.element.height(),
+          props = this.fitColumns;
       $elems.each( function() {
         var $this = $(this),
             atomW = $this.outerWidth(true),
             atomH = $this.outerHeight(true),
             x, y;
 
-        if ( instance.fitColumns.y !== 0 && atomH + instance.fitColumns.y > containerHeight ) {
+        if ( props.y !== 0 && atomH + props.y > containerHeight ) {
           // if this element cannot fit in the current column
-          instance.fitColumns.x = instance.fitColumns.width;
-          instance.fitColumns.y = 0;
+          props.x = props.width;
+          props.y = 0;
         } 
 
         // position the atom
-        x = instance.fitColumns.x;
-        y = instance.fitColumns.y;
-        instance._pushPosition( $this, x, y );
+        instance._pushPosition( $this, props.x, props.y );
 
-        instance.fitColumns.width = Math.max( instance.fitColumns.x + atomW, instance.fitColumns.width );
-        instance.fitColumns.y += atomH;
+        props.width = Math.max( props.x + atomW, props.width );
+        props.y += atomH;
 
       });
     },
diff --git a/jquery.isotope.min.js b/jquery.isotope.min.js
index c13cbc3..159e8ca 100644
--- a/jquery.isotope.min.js
+++ b/jquery.isotope.min.js
@@ -8,4 +8,4 @@
  *
  * Copyright 2011 David DeSandro / Metafizzy
  */
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c=this,d=arguments;a.type="smartresize",o&&clearTimeout(o),o=setTimeout(function(){jQuery.event.handle.apply(c,d)},b==="execAsap"?0:100)}},b.fn.smartresize=function(a){return a?this.bind("smartresize",a):this.trigger("smartresize",["execAsap"])},b.Isotope=function(a,c){this.element=b(c),this._create(a),this._init()};var p=["overflow","position","width","height"];b.Isotope.settings={resizable:!0,layoutMode:"masonry",containerClass:"isotope",itemClass:"isotope-item",hiddenClass:"isotope-hidden",hiddenStyle:Modernizr.csstransforms&&!b.browser.opera?{opacity:0,scale:.001}:{opacity:0},visibleStyle:Modernizr.csstransforms&&!b.browser.opera?{opacity:1,scale:1}:{opacity:1},animationEngine:b.browser.opera?"jquery":"best-available",animationOptions:{queue:!1,duration:800},sortBy:"original-order",sortAscending:!0,resizesContainer:!0,transformsEnabled:!0,itemPositionDataEnabled:!1},b.Isotope.prototype={_create:function(c){this.options=b.extend(!0,{},b.Isotope.settings,c),this.styleQueue=[],this.elemCount=0;var d=this.element[0].style;this.originalStyle={};for(var e=0,f=p.length;e<f;e++){var g=p[e];this.originalStyle[g]=d[g]||null}this.element.css({overflow:"hidden",position:"relative"}),this._updateAnimationEngine(),this._updateUsingTransforms();var h={"original-order":function(a,b){return 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e=this["_"+d+"GetContainerSize"]();this.styleQueue.push({$el:this.element,style:e})}var f=this.isLaidOut?this.isUsingJQueryAnimation?"animate":"css":"css",g=this.options.animationOptions;b.each(this.styleQueue,function(a,b){b.$el[f](b.style,g)}),this.styleQueue=[],c&&c.call(a),this.isLaidOut=!0},resize:function(){this["_"+this.options.layoutMode+"ResizeChanged"]()&&this.reLayout()},reLayout:function(a){this["_"+this.options.layoutMode+"Reset"](),this.layout(this.$filteredAtoms,a)},addItems:function(a,b){var c=this._getAtoms(a);this.$allAtoms=this.$allAtoms.add(c),b&&b(c)},insert:function(a,b){this.element.append(a);var c=this;this.addItems(a,function(a){var b=c._filter(a);c.$filteredAtoms=c.$filteredAtoms.add(b)}),this._sort(),this.reLayout(b)},appended:function(a,b){var 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a=b(this),e=a.outerWidth(!0),f=a.outerHeight(!0),g,h;c.fitColumns.y!==0&&f+c.fitColumns.y>d&&(c.fitColumns.x=c.fitColumns.width,c.fitColumns.y=0),g=c.fitColumns.x,h=c.fitColumns.y,c._pushPosition(a,g,h),c.fitColumns.width=Math.max(c.fitColumns.x+e,c.fitColumns.width),c.fitColumns.y+=f})},_fitColumnsGetContainerSize:function(){return{width:this.fitColumns.width}},_fitColumnsResizeChanged:function(){return!0},_cellsByColumnReset:function(){this.cellsByColumn={index:0},this._getSegments(),this._getSegments(!0)},_cellsByColumnLayout:function(a){var c=this,d=this.cellsByColumn;a.each(function(){var a=b(this),e=~~(d.index/d.rows),f=d.index%d.rows,g=(e+.5)*d.columnWidth-a.outerWidth(!0)/2,h=(f+.5)*d.rowHeight-a.outerHeight(!0)/2;c._pushPosition(a,g,h),d.index++})},_cellsByColumnGetContainerSize:function(){return{width:Math.ceil(this.$filteredAtoms.length/this.cellsByColumn.rows)*this.cellsByColumn.columnWidth}},_cellsByColumnResizeChanged:function(){return 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