random.m = 714025;
random.a = 4096;
random.c = 150889;
random.seed = (new Date()).getTime() % random.m;
randomnumber = 1;

function random() {
   random.seed = (random.seed * random.a + random.c) % random.m;
   return Math.round((random.seed / random.m) * 10000);
   // This will generate a random integer between 0 and 9999. If you
   // want to increase the range to between 0 and x, replace the
   // "10000" in the above line with "x - 1"
}