text: /*
   * @build  : 20-07-2013
   * @author : Ram swaroop
   * @site   : Compzets.com
   */
  (function($){
  
      // defines various easing effects
      $.easing['jswing'] = $.easing['swing'];
      $.extend( $.easing,
      {
              def: 'easeOutQuad',
              swing: function (x, t, b, c, d) {
                      return $.easing[$.easing.def](x, t, b, c, d);
              },
              easeInQuad: function (x, t, b, c, d) {
                      return c*(t/=d)*t + b;
              },
              easeOutQuad: function (x, t, b, c, d) {
                      return -c *(t/=d)*(t-2) + b;
              },
              easeInOutQuad: function (x, t, b, c, d) {
                      if ((t/=d/2) < 1) return c/2*t*t + b;
                      return -c/2 * ((--t)*(t-2) - 1) + b;
              },
              easeInCubic: function (x, t, b, c, d) {
                      return c*(t/=d)*t*t + b;
              },
              easeOutCubic: function (x, t, b, c, d) {
                      return c*((t=t/d-1)*t*t + 1) + b;
              },
              easeInOutCubic: function (x, t, b, c, d) {
                      if ((t/=d/2) < 1) return c/2*t*t*t + b;
                      return c/2*((t-=2)*t*t + 2) + b;
              },
              easeInQuart: function (x, t, b, c, d) {
                      return c*(t/=d)*t*t*t + b;
              },
              easeOutQuart: function (x, t, b, c, d) {
                      return -c * ((t=t/d-1)*t*t*t - 1) + b;
              },
              easeInOutQuart: function (x, t, b, c, d) {
                      if ((t/=d/2) < 1) return c/2*t*t*t*t + b;
                      return -c/2 * ((t-=2)*t*t*t - 2) + b;
              },
              easeInQuint: function (x, t, b, c, d) {
                      return c*(t/=d)*t*t*t*t + b;
              },
              easeOutQuint: function (x, t, b, c, d) {
                      return c*((t=t/d-1)*t*t*t*t + 1) + b;
              },
              easeInOutQuint: function (x, t, b, c, d) {
                      if ((t/=d/2) < 1) return c/2*t*t*t*t*t + b;
                      return c/2*((t-=2)*t*t*t*t + 2) + b;
              },
              easeInSine: function (x, t, b, c, d) {
                      return -c * Math.cos(t/d * (Math.PI/2)) + c + b;
              },
              easeOutSine: function (x, t, b, c, d) {
                      return c * Math.sin(t/d * (Math.PI/2)) + b;
              },
              easeInOutSine: function (x, t, b, c, d) {
                      return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b;
              },
              easeInExpo: function (x, t, b, c, d) {
                      return (t==0) ? b : c * Math.pow(2, 10 * (t/d - 1)) + b;
              },
              easeOutExpo: function (x, t, b, c, d) {
                      return (t==d) ? b+c : c * (-Math.pow(2, -10 * t/d) + 1) + b;
              },
              easeInOutExpo: function (x, t, b, c, d) {
                      if (t==0) return b;
                      if (t==d) return b+c;
                      if ((t/=d/2) < 1) return c/2 * Math.pow(2, 10 * (t - 1)) + b;
                      return c/2 * (-Math.pow(2, -10 * --t) + 2) + b;
              },
              easeInCirc: function (x, t, b, c, d) {
                      return -c * (Math.sqrt(1 - (t/=d)*t) - 1) + b;
              },
              easeOutCirc: function (x, t, b, c, d) {
                      return c * Math.sqrt(1 - (t=t/d-1)*t) + b;
              },
              easeInOutCirc: function (x, t, b, c, d) {
                      if ((t/=d/2) < 1) return -c/2 * (Math.sqrt(1 - t*t) - 1) + b;
                      return c/2 * (Math.sqrt(1 - (t-=2)*t) + 1) + b;
              },
              easeInElastic: function (x, t, b, c, d) {
                      var s=1.70158;var p=0;var a=c;
                      if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
                      if (a < Math.abs(c)) { a=c; var s=p/4; }
                      else var s = p/(2*Math.PI) * Math.asin (c/a);
                      return -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
              },
              easeOutElastic: function (x, t, b, c, d) {
                      var s=1.70158;var p=0;var a=c;
                      if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
                      if (a < Math.abs(c)) { a=c; var s=p/4; }
                      else var s = p/(2*Math.PI) * Math.asin (c/a);
                      return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
              },
              easeInOutElastic: function (x, t, b, c, d) {
                      var s=1.70158;var p=0;var a=c;
                      if (t==0) return b;  if ((t/=d/2)==2) return b+c;  if (!p) p=d*(.3*1.5);
                      if (a < Math.abs(c)) { a=c; var s=p/4; }
                      else var s = p/(2*Math.PI) * Math.asin (c/a);
                      if (t < 1) return -.5*(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
                      return a*Math.pow(2,-10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )*.5 + c + b;
              },
              easeInBack: function (x, t, b, c, d, s) {
                      if (s == undefined) s = 1.70158;
                      return c*(t/=d)*t*((s+1)*t - s) + b;
              },
              easeOutBack: function (x, t, b, c, d, s) {
                      if (s == undefined) s = 1.70158;
                      return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
              },
              easeInOutBack: function (x, t, b, c, d, s) {
                      if (s == undefined) s = 1.70158;
                      if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;
                      return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;
              },
              easeInBounce: function (x, t, b, c, d) {
                      return c - $.easing.easeOutBounce (x, d-t, 0, c, d) + b;
              },
              easeOutBounce: function (x, t, b, c, d) {
                      if ((t/=d) < (1/2.75)) {
                              return c*(7.5625*t*t) + b;
                      } else if (t < (2/2.75)) {
                              return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
                      } else if (t < (2.5/2.75)) {
                              return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
                      } else {
                              return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
                      }
              },
              easeInOutBounce: function (x, t, b, c, d) {
                      if (t < d/2) return $.easing.easeInBounce (x, t*2, 0, c, d) * .5 + b;
                      return $.easing.easeOutBounce (x, t*2-d, 0, c, d) * .5 + c*.5 + b;
              }
      });
  
      $.fn.animatescroll = function(options) {
  
          // fetches options
          var opts = $.extend({},$.fn.animatescroll.defaults,options);
  
          // make sure the callback is a function
          if (typeof opts.onScrollStart == 'function') {
              // brings the scope to the callback
              opts.onScrollStart.call(this);
          }
  
          if(opts.element == "html,body") {
              // Get the distance of particular id or class from top
              var offset = this.offset().top;
  
              // Scroll the page to the desired position
              $(opts.element).stop().animate({ scrollTop: offset - opts.padding}, opts.scrollSpeed, opts.easing);
          }
          else {
              // Scroll the element to the desired position
              $(opts.element).stop().animate({ scrollTop: this.offset().top - this.parent().offset().top + this.parent().scrollTop() - opts.padding}, opts.scrollSpeed, opts.easing);
          }
  
          setTimeout(function() {
  
              // make sure the callback is a function
              if (typeof opts.onScrollEnd == 'function') {
                  // brings the scope to the callback
                  opts.onScrollEnd.call(this);
              }
          }, opts.scrollSpeed);
      };
  
      // default options
      $.fn.animatescroll.defaults = {
          easing:"swing",
          scrollSpeed:800,
          padding:0,
          element:"html,body"
      };
  
  }(jQuery));
  