(function($){

  $.fn.extend({

    BubbleEngine: function(options) {

      var defaults = {

        particleSizeMin:            0,

        particleSizeMax:            60,

        particleSourceX:            0,

        particleSourceY:            500,

        particleAnimationDuration:  3000,

        particleAnimationVariance:  2000,

        particleScatteringX:        500,

        particleScatteringY:        200,

        particleDirection:          'right' /* 'right', 'left', 'center'*/,

        gravity:                    -100,

        imgSource:                  'http://www.jennareidmusic.co.uk/wp-content/themes/Jennareid%20Music/images/bubble.png',

        RenewBubbles:               'on'

      };

      var options = $.extend(defaults, options);

      options.couter = 0;



      //-----------------------------------------------------------------------

      //Public Functions ------------------------------------------------------

      //-----------------------------------------------------------------------

      this.settings = function( particleSizeMin, particleSizeMax, particleSourceX, particleSourceY, particleAnimationDuration, particleAnimationVariance, particleScatteringX, particleScatteringY, particleDirection, imgSource ) {

        if (particleSizeMin)           options.particleSizeMin           = particleSizeMin;

        if (particleSizeMax)           options.particleSizeMax           = particleSizeMax;

        if (particleSourceX)           options.particleSourceX           = particleSourceX;

        if (particleSourceY)           options.particleSourceY           = particleSourceY;

        if (particleAnimationDuration) options.particleAnimationDuration = particleAnimationDuration;

        if (particleAnimationVariance) options.particleAnimationVariance = particleAnimationVariance;

        if (particleScatteringX)       options.particleScatteringX       = particleScatteringX;

        if (particleScatteringY)       options.particleScatteringY       = particleScatteringY;

        if (particleDirection)         options.particleDirection         = particleDirection;

        if (imgSource)                 options.imgSource                 = imgSource;

      }

      this.getConfig = function() {

        ConfigValues = new Array(options.particleSizeMin, options.particleSizeMax, options.particleAnimationDuration, options.particleScatteringX, options.particleScatteringY, options.imgSource);

        return(ConfigValues);

      };

      this.getCounter = function() {

        return(options.couter);

      };

      this.removeBubbles = function() {

        options.RenewBubbles = 'off';

        options.couter = 0;

      };

      this.addBubbles = function(number) {

        if (!number) number = 25;

        options.RenewBubbles = 'on';

        for (i=1;i<=number;i++) {

          options.couter++;

          window.setTimeout(function() {

            GenerateElement();

          }, Math.floor(Math.random()*3000));

        }

      };

      

      //-----------------------------------------------------------------------

      //Private Functions -----------------------------------------------------

      //-----------------------------------------------------------------------

      function GetRandom( min, max ) {

        if( min > max ) {

          return( -1 );

        }

        if( min == max ) {

          return( min );

        }

        return( min + parseInt( Math.random() * ( max-min+1 ) ) );

      }



      //-----------------------------------------------------------------------

      function GenerateElement(){

        var animationEndY     = options.particleSourceY + options.gravity + GetRandom( -options.particleScatteringY, options.particleScatteringY );

        if (options.particleDirection == 'left') {

          var animationEndX     = options.particleSourceX - GetRandom( 0, options.particleScatteringX );

        } else if (options.particleDirection == 'right') {

          var animationEndX     = options.particleSourceX + GetRandom( 0, options.particleScatteringX );

        } else if (options.particleDirection == 'center') {

          var animationEndX     = options.particleSourceX + GetRandom( -options.particleScatteringX, options.particleScatteringX );

        }

        var animationDuration = options.particleAnimationDuration + GetRandom( 0, options.particleAnimationVariance );

        var particleSize      = GetRandom( options.particleSizeMin, options.particleSizeMax )

        var div = jQuery('<img class="bubble '+options.ids+'" src="'+options.imgSource+'">').css({

          position: 'absolute',

          top:      options.particleSourceY,

          left:     options.particleSourceX,

          width:    particleSize,

          height:   particleSize

        }).appendTo('body');

        div.animate({

          left:     animationEndX,

          top:      [animationEndY, 'easeOutCubic']

        }, {

          queue:    false,

          duration: animationDuration,

          complete: function() {

            $(this).remove();

            if (options.RenewBubbles == 'on') {

              GenerateElement();

            } else {

            }

          }

        });	

      }		

      

      //-----------------------------------------------------------------------

      return this.each(function() {

        var o =options;

        var obj = $(this);			

        o.ids = Math.floor(Math.random()*1000);

      });

    }

  });

})(jQuery);