LCG

gistfile1.js

var lib = {
   /* 
    * PRNG - Linear congruential generator
    * The random cycle is 2^32
    * @retuns {unsigned integer} Next random seed  
    */
    rand : (function () {
        var seed = new Date;
        return function () {
            seed = (seed * 69069 + 1) >>> 0;
            return seed;
        };  
    })()
}