diff --git a/bower.json b/bower.json
index 9c5c4de..1af471f 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "ng-scrollbar",
-  "version": "0.0.7",
+  "version": "0.0.8",
   "dependencies": {
   },
   "main": [
diff --git a/dist/ng-scrollbar.js b/dist/ng-scrollbar.js
index 7b613c1..6e9ddc8 100644
--- a/dist/ng-scrollbar.js
+++ b/dist/ng-scrollbar.js
@@ -12,6 +12,8 @@ angular.module('ngScrollbar', []).directive('ngScrollbar', [
         var mainElm, transculdedContainer, tools, thumb, thumbLine, track;
         var flags = { bottom: attrs.hasOwnProperty('bottom') };
         var win = angular.element($window);
+        var hasAddEventListener = !!win[0].addEventListener;
+        var hasRemoveEventListener = !!win[0].removeEventListener;
         // Elements
         var dragger = { top: 0 }, page = { top: 0 };
         // Styles
@@ -55,10 +57,18 @@ angular.module('ngScrollbar', []).directive('ngScrollbar', [
           event.stopPropagation();
         };
         var wheelHandler = function (event) {
-          var wheelDivider = 20;
-          // so it can be changed easily
-          var deltaY = event.wheelDeltaY !== undefined ? event.wheelDeltaY / wheelDivider : event.wheelDelta !== undefined ? event.wheelDelta / wheelDivider : -event.detail * (wheelDivider / 10);
-          dragger.top = Math.max(0, Math.min(parseInt(page.height, 10) - parseInt(dragger.height, 10), parseInt(dragger.top, 10) - deltaY));
+          var wheelSpeed = 40;
+          // Mousewheel speed normalization approach adopted from
+          // http://stackoverflow.com/a/13650579/1427418
+          var o = event, d = o.detail, w = o.wheelDelta, n = 225, n1 = n - 1;
+          // Normalize delta
+          d = d ? w && (f = w / d) ? d / f : -d / 1.35 : w / 120;
+          // Quadratic scale if |d| > 1
+          d = d < 1 ? d < -1 ? (-Math.pow(d, 2) - n1) / n : d : (Math.pow(d, 2) + n1) / n;
+          // Delta *should* not be greater than 2...
+          event.delta = Math.min(Math.max(d / 2, -1), 1);
+          event.delta = event.delta * wheelSpeed;
+          dragger.top = Math.max(0, Math.min(parseInt(page.height, 10) - parseInt(dragger.height, 10), parseInt(dragger.top, 10) - event.delta));
           redraw();
           if (!!event.preventDefault) {
             event.preventDefault();
@@ -93,10 +103,23 @@ angular.module('ngScrollbar', []).directive('ngScrollbar', [
           win.off('touchend', _touchEnd);
           event.stopPropagation();
         };
-        var buildScrollbar = function (rollToBottom) {
-          // Getting top position of a parent element to place scroll correctly
-          var parentOffsetTop = element[0].parentElement.offsetTop;
+        var registerEvent = function (elm) {
+          var wheelEvent = win[0].onmousewheel !== undefined ? 'mousewheel' : 'DOMMouseScroll';
+          if (hasAddEventListener) {
+            elm.addEventListener(wheelEvent, wheelHandler, false);
+          } else {
+            elm.attachEvent('onmousewheel', wheelHandler);
+          }
+        };
+        var removeEvent = function (elm) {
           var wheelEvent = win[0].onmousewheel !== undefined ? 'mousewheel' : 'DOMMouseScroll';
+          if (hasRemoveEventListener) {
+            elm.removeEventListener(wheelEvent, wheelHandler, false);
+          } else {
+            elm.detachEvent('onmousewheel', wheelHandler);
+          }
+        };
+        var buildScrollbar = function (rollToBottom) {
           rollToBottom = flags.bottom || rollToBottom;
           mainElm = angular.element(element.children()[0]);
           transculdedContainer = angular.element(mainElm.children()[0]);
@@ -104,11 +127,7 @@ angular.module('ngScrollbar', []).directive('ngScrollbar', [
           thumb = angular.element(angular.element(tools.children()[0]).children()[0]);
           thumbLine = angular.element(thumb.children()[0]);
           track = angular.element(angular.element(tools.children()[0]).children()[1]);
-          // Check if scroll bar is needed
-          page.height = element[0].offsetHeight - parentOffsetTop;
-          if (page.height < 0) {
-            page.height = element[0].offsetHeight;
-          }
+          page.height = element[0].offsetHeight;
           page.scrollHeight = transculdedContainer[0].scrollHeight;
           if (page.height < page.scrollHeight) {
             scope.showYScrollbar = true;
@@ -125,8 +144,8 @@ angular.module('ngScrollbar', []).directive('ngScrollbar', [
             thumbLine.css(draggerLineStyle);
             // Bind scroll bar events
             track.bind('click', trackClick);
-            // Handl mousewheel
-            transculdedContainer[0].addEventListener(wheelEvent, wheelHandler, false);
+            // Handle mousewheel
+            registerEvent(transculdedContainer[0]);
             // Drag the scroller with the mouse
             thumb.on('mousedown', function (event) {
               lastOffsetY = event.pageY - thumb[0].offsetTop;
@@ -152,7 +171,7 @@ angular.module('ngScrollbar', []).directive('ngScrollbar', [
             scope.showYScrollbar = false;
             scope.$emit('scrollbar.hide');
             thumb.off('mousedown');
-            transculdedContainer[0].removeEventListener(wheelEvent, wheelHandler, false);
+            removeEvent(transculdedContainer[0]);
             transculdedContainer.attr('style', 'position:relative;top:0');
             // little hack to remove other inline styles
             mainElm.css({ height: '100%' });
diff --git a/dist/ng-scrollbar.min.js b/dist/ng-scrollbar.min.js
index 8ce2b29..51b7948 100644
--- a/dist/ng-scrollbar.min.js
+++ b/dist/ng-scrollbar.min.js
@@ -1,8 +1,8 @@
 /**
  * ng-scrollbar
- * @version v0.0.5 - 2014-09-29
+ * @version v0.0.7 - 2015-06-19
  * @link https://github.com/asafdav/ng-scrollbar
  * @author Asaf David <asafdav@gmail.com>
  * @license MIT License, http://www.opensource.org/licenses/MIT
  */
-"use strict";angular.module("ngScrollbar",[]).directive("ngScrollbar",["$parse","$window",function(a,b){return{restrict:"A",replace:!0,transclude:!0,scope:{showYScrollbar:"=?isBarShown"},link:function(a,c,d){var e,f,g,h,i,j,k,l,m,n,o,p={bottom:d.hasOwnProperty("bottom")},q=angular.element(b),r={top:0},s={top:0},t=function(){k={position:"relative",overflow:"hidden","max-width":"100%",height:"100%"},s.height&&(k.height=s.height+"px"),l={position:"absolute",height:r.height+"px",top:r.top+"px"},m={position:"relative","line-height":r.height+"px"},n={position:"relative",top:s.top+"px",overflow:"hidden"}},u=function(){h.css("top",r.top+"px");var a=r.top/s.height;s.top=-Math.round(s.scrollHeight*a),f.css("top",s.top+"px")},v=function(a){var b=a.hasOwnProperty("offsetY")?a.offsetY:a.layerY,c=Math.max(0,Math.min(parseInt(r.trackHeight,10)-parseInt(r.height,10),b));r.top=c,u(),a.stopPropagation()},w=function(a){var b=20,c=void 0!==a.wheelDeltaY?a.wheelDeltaY/b:void 0!==a.wheelDelta?a.wheelDelta/b:-a.detail*(b/10);return r.top=Math.max(0,Math.min(parseInt(s.height,10)-parseInt(r.height,10),parseInt(r.top,10)-c)),u(),a.preventDefault?void a.preventDefault():!1},x=0,y=function(a,b,c){r.top=Math.max(0,Math.min(parseInt(r.trackHeight,10)-parseInt(r.height,10),c)),a.stopPropagation()},z=function(a){var b=0,c=a.pageY-h[0].scrollTop-x;y(a,b,c),u()},A=function(a){q.off("mousemove",z),q.off("mouseup",A),a.stopPropagation()},B=function(a){var b=0,c=a.originalEvent.changedTouches[0].pageY-h[0].scrollTop-x;y(a,b,c),u()},C=function(a){q.off("touchmove",B),q.off("touchend",C),a.stopPropagation()},D=function(b){var d=c[0].parentElement.offsetTop,o=void 0!==q[0].onmousewheel?"mousewheel":"DOMMouseScroll";b=p.bottom||b,e=angular.element(c.children()[0]),f=angular.element(e.children()[0]),g=angular.element(e.children()[1]),h=angular.element(angular.element(g.children()[0]).children()[0]),i=angular.element(h.children()[0]),j=angular.element(angular.element(g.children()[0]).children()[1]),s.height=c[0].offsetHeight-d,s.height<0&&(s.height=c[0].offsetHeight),s.scrollHeight=f[0].scrollHeight,s.height<s.scrollHeight?(a.showYScrollbar=!0,a.$emit("scrollbar.show"),r.height=Math.round(s.height/s.scrollHeight*s.height),r.trackHeight=s.height,t(),c.css({overflow:"hidden"}),e.css(k),f.css(n),h.css(l),i.css(m),j.bind("click",v),f[0].addEventListener(o,w,!1),h.on("mousedown",function(a){x=a.pageY-h[0].offsetTop,q.on("mouseup",A),q.on("mousemove",z),a.preventDefault()}),h.on("touchstart",function(a){x=a.originalEvent.changedTouches[0].pageY-h[0].offsetTop,q.on("touchend",C),q.on("touchmove",B),a.preventDefault()}),b?(p.bottom=!1,r.top=parseInt(s.height,10)-parseInt(r.height,10)):r.top=Math.max(0,Math.min(parseInt(s.height,10)-parseInt(r.height,10),parseInt(r.top,10))),u()):(a.showYScrollbar=!1,a.$emit("scrollbar.hide"),h.off("mousedown"),f[0].removeEventListener(o,w,!1),f.attr("style","position:relative;top:0"),e.css({height:"100%"}))},E=function(b,c){null!=o&&clearTimeout(o);var d=!!c&&!!c.rollToBottom;o=setTimeout(function(){s.height=null,D(d),a.$$phase||a.$digest(),a.$parent.$$phase||a.$parent.$digest()},72)};D(),d.rebuildOn&&d.rebuildOn.split(" ").forEach(function(b){a.$on(b,E)}),d.hasOwnProperty("rebuildOnResize")&&q.on("resize",E)},template:'<div><div class="ngsb-wrap"><div class="ngsb-container" ng-transclude></div><div class="ngsb-scrollbar" style="position: absolute; display: block;" ng-show="showYScrollbar"><div class="ngsb-thumb-container"><div class="ngsb-thumb-pos" oncontextmenu="return false;"><div class="ngsb-thumb" ></div></div><div class="ngsb-track"></div></div></div></div></div>'}}]);
\ No newline at end of file
+"use strict";angular.module("ngScrollbar",[]).directive("ngScrollbar",["$parse","$window",function(a,b){return{restrict:"A",replace:!0,transclude:!0,scope:{showYScrollbar:"=?isBarShown"},link:function(a,c,d){var e,g,h,i,j,k,l,m,n,o,p,q={bottom:d.hasOwnProperty("bottom")},r=angular.element(b),s=!!r[0].addEventListener,t=!!r[0].removeEventListener,u={top:0},v={top:0},w=function(){l={position:"relative",overflow:"hidden","max-width":"100%",height:"100%"},v.height&&(l.height=v.height+"px"),m={position:"absolute",height:u.height+"px",top:u.top+"px"},n={position:"relative","line-height":u.height+"px"},o={position:"relative",top:v.top+"px",overflow:"hidden"}},x=function(){i.css("top",u.top+"px");var a=u.top/v.height;v.top=-Math.round(v.scrollHeight*a),g.css("top",v.top+"px")},y=function(a){var b=a.hasOwnProperty("offsetY")?a.offsetY:a.layerY,c=Math.max(0,Math.min(parseInt(u.trackHeight,10)-parseInt(u.height,10),b));u.top=c,x(),a.stopPropagation()},z=function(a){var b=40,c=a,d=c.detail,e=c.wheelDelta,g=225,h=g-1;return d=d?e&&(f=e/d)?d/f:-d/1.35:e/120,d=1>d?-1>d?(-Math.pow(d,2)-h)/g:d:(Math.pow(d,2)+h)/g,a.delta=Math.min(Math.max(d/2,-1),1),a.delta=a.delta*b,u.top=Math.max(0,Math.min(parseInt(v.height,10)-parseInt(u.height,10),parseInt(u.top,10)-a.delta)),x(),a.preventDefault?void a.preventDefault():!1},A=0,B=function(a,b,c){u.top=Math.max(0,Math.min(parseInt(u.trackHeight,10)-parseInt(u.height,10),c)),a.stopPropagation()},C=function(a){var b=0,c=a.pageY-i[0].scrollTop-A;B(a,b,c),x()},D=function(a){r.off("mousemove",C),r.off("mouseup",D),a.stopPropagation()},E=function(a){var b=0,c=a.originalEvent.changedTouches[0].pageY-i[0].scrollTop-A;B(a,b,c),x()},F=function(a){r.off("touchmove",E),r.off("touchend",F),a.stopPropagation()},G=function(a){var b=void 0!==r[0].onmousewheel?"mousewheel":"DOMMouseScroll";s?a.addEventListener(b,z,!1):a.attachEvent("onmousewheel",z)},H=function(a){var b=void 0!==r[0].onmousewheel?"mousewheel":"DOMMouseScroll";t?a.removeEventListener(b,z,!1):a.detachEvent("onmousewheel",z)},I=function(b){b=q.bottom||b,e=angular.element(c.children()[0]),g=angular.element(e.children()[0]),h=angular.element(e.children()[1]),i=angular.element(angular.element(h.children()[0]).children()[0]),j=angular.element(i.children()[0]),k=angular.element(angular.element(h.children()[0]).children()[1]),v.height=c[0].offsetHeight,v.scrollHeight=g[0].scrollHeight,v.height<v.scrollHeight?(a.showYScrollbar=!0,a.$emit("scrollbar.show"),u.height=Math.round(v.height/v.scrollHeight*v.height),u.trackHeight=v.height,w(),c.css({overflow:"hidden"}),e.css(l),g.css(o),i.css(m),j.css(n),k.bind("click",y),G(g[0]),i.on("mousedown",function(a){A=a.pageY-i[0].offsetTop,r.on("mouseup",D),r.on("mousemove",C),a.preventDefault()}),i.on("touchstart",function(a){A=a.originalEvent.changedTouches[0].pageY-i[0].offsetTop,r.on("touchend",F),r.on("touchmove",E),a.preventDefault()}),b?(q.bottom=!1,u.top=parseInt(v.height,10)-parseInt(u.height,10)):u.top=Math.max(0,Math.min(parseInt(v.height,10)-parseInt(u.height,10),parseInt(u.top,10))),x()):(a.showYScrollbar=!1,a.$emit("scrollbar.hide"),i.off("mousedown"),H(g[0]),g.attr("style","position:relative;top:0"),e.css({height:"100%"}))},J=function(b,c){null!=p&&clearTimeout(p);var d=!!c&&!!c.rollToBottom;p=setTimeout(function(){v.height=null,I(d),a.$$phase||a.$digest(),a.$parent.$$phase||a.$parent.$digest()},72)};I(),d.rebuildOn&&d.rebuildOn.split(" ").forEach(function(b){a.$on(b,J)}),d.hasOwnProperty("rebuildOnResize")&&r.on("resize",J)},template:'<div><div class="ngsb-wrap"><div class="ngsb-container" ng-transclude></div><div class="ngsb-scrollbar" style="position: absolute; display: block;" ng-show="showYScrollbar"><div class="ngsb-thumb-container"><div class="ngsb-thumb-pos" oncontextmenu="return false;"><div class="ngsb-thumb" ></div></div><div class="ngsb-track"></div></div></div></div></div>'}}]);
\ No newline at end of file
diff --git a/package.json b/package.json
index 1811c1f..2a37bbd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ng-scrollbar",
-  "version": "0.0.7",
+  "version": "0.0.8",
   "main": "dist/ng-scrollbar.min.js",
   "description": "A custom scrollbar written in pure AngularJS",
   "keywords": [