htmlfarmer

function setCookie(cname, cvalue, exdays) {
 var d = new Date();
 d.setTime(d.getTime() + (exdays*24*60*60*1000));
 var expires = "expires="+d.toUTCString();
 document.cookie = cname + "=" + cvalue + "; " + expires;
}

function getCookie(cname) {
 var name = cname + "=";
 var ca = document.cookie.split(';');

htmlfarmer

/**
 *
 *  Secure Hash Algorithm (SHA1)
 *  http://www.webtoolkit.info/
 *
 **/

function SHA1(msg) {

	function rotate_left(n,s) {

htmlfarmer

var signal = [1,0,0,1,1,1,0,0,1,1,0,0,1,0,0,1,1,1,0,0,1,1,0,0,1,0,0,1,1,1,0,0,1,1,0,0,1,0,0,1,1,1,0,0,1,1,0,0]

function fourier(signal) {
  var len = signal.length;
  var output = new Array();
  for (var k = 0; k < len; k++) {
    var real = 0;
    var imag = 0;
    for (var n = 0; n < len; n++) {
      real += signal[n] * Math.cos( - 2 * Math.PI * k * n / len);