mrxf

function RippleEffect(element){
    this.element = element;
    this.element.addEventListener('mousedown', this.run.bind(this), false);
}
RippleEffect.prototype = {
    run: function(event){
        var ripplerContainer = this.element.querySelector('.ripple-container');
        var offsetInfo = this.element.getBoundingClientRect();
        
        var rippleContainer = document.createElement('div');

mrxf

// Linear Congruential Generator
// Variant of a Lehman Generator 
var lcg = (function() {
  // Set to values from http://en.wikipedia.org/wiki/Numerical_Recipes
      // m is basically chosen to be large (as it is the max period)
      // and for its relationships to a and c
  var m = 4294967296,
      // a - 1 should be divisible by m's prime factors
      a = 1664525,
      // c and m should be co-prime