Changes

   this.snowCharacter = '•';  // • = bullet, · is square on some systems etc.

   this.snowCharacter = '•';  // • = bullet, · is square on some systems etc.

   this.snowStick = false;          // Whether or not snow should "stick" at the bottom. When off, will never collect.

   this.snowStick = false;          // Whether or not snow should "stick" at the bottom. When off, will never collect.

   this.targetElement = 'mw-head-base';      // element which snow will be appended to (null = document.body) - can be an element ID eg. 'myDiv', or a DOM node reference

   this.targetElement = null;      // element which snow will be appended to (null = document.body) - can be an element ID eg. 'myDiv', or a DOM node reference

   this.useMeltEffect = true;      // When recycling fallen snow (or rarely, when falling), have it "melt" and fade out if browser supports it

   this.useMeltEffect = true;      // When recycling fallen snow (or rarely, when falling), have it "melt" and fade out if browser supports it

   this.useTwinkleEffect = false;  // Allow snow to randomly "flicker" in and out of view while falling

   this.useTwinkleEffect = false;  // Allow snow to randomly "flicker" in and out of view while falling

   this.usePositionFixed = false;  // true = snow does not shift vertically when scrolling. May increase CPU load, disabled by default - if enabled, used only where supported

   this.usePositionFixed = true;  // true = snow does not shift vertically when scrolling. May increase CPU load, disabled by default - if enabled, used only where supported

   this.usePixelPosition = false;  // Whether to use pixel values for snow top/left vs. percentages. Auto-enabled if body is position:relative or targetElement is specified.

   this.usePixelPosition = false;  // Whether to use pixel values for snow top/left vs. percentages. Auto-enabled if body is position:relative or targetElement is specified.