JScript

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Can any one help me comment the following code please?

<SCRIPT LANGUAGE="JavaScript">

<!-- Begin

//Maximum number of disks

var MAXHEIGHT = 8;

//Number of selected disks

var ndisk;

//Timer variable

var timer = null;

//Move from array (0-255)

var mvfrom = new Array(255);

//Move to array (0-255)

var mvto = new Array(255);

var mv, imv;

//Tower Array

var tower = new Array(3);

var h = new Array(3);

var spc = "        ";

//Set disk name array

var dname = new Array(

"|",

"111",

"22222",

"3333333",

"444444444",

"55555555555",

"6666666666666",

"777777777777777",

"88888888888888888");

function init() {

  // Initallize function

   if (!timer) {

      //If timer is not set, set s to the selected number of disks

      s = document.formHanoi.disk.options[document.formHanoi.disk.selectedIndex].value;

      if (s == "random") {

         //If s is set to random then get the date

         now = new Date();

         ndisk = parseInt(now.getTime() / 1000) % 8 + 1;

         //delete the now variable and its content

         delete now;

      }

   else ndisk = s;

      //number of moves = 0

      mv = 0;

      //Call hanoi function

      hanoi(0, 2, 1, ndisk);

      for (i = 0; i < 3; i++)

      tower = new Array(MAXHEIGHT);

      for (i = 0; i < ndisk; i++)

      tower[0] = ndisk - i;

      h[0] = ndisk;

      h[1] = h[2] = 0;

      imv = 0;

      document.formHanoi.display.value = gentower();

      timer =
window.setTimeout("gennexttower()",
document.formHanoi.delay.options[document.formHanoi.delay.selectedIndex].value);

   }

}

function stop() {

   if (timer) {

      //If the timer is not empty then clear it

      //and set to nothing

      window.clearTimeout(timer);

      timer = null;

   }

}

function hanoi(from,to,buf,nmv) {

   if (nmv > 1) {

      hanoi(from, buf, to, nmv - 1);

      mvfrom[mv] = from;

      mvto[mv++] = to;

      hanoi(buf, to, from, nmv - 1);

   }

   else {

      mvfrom[mv] = from;

      mvto[mv++] = to;

   }

}

function gennexttower() {

   tower[mvto[imv]][h[mvto[imv]]++] = tower[mvfrom[imv]][--h[mvfrom[imv]]];

   document.formHanoi.display.value = gentower();

   if (++imv < mv)

      timer =
window.setTimeout("gennexttower()",
document.formHanoi.delay.options[document.formHanoi.delay.selectedIndex].value);

   else {

      for (i = 0; i < 3; i++)

      delete tower;

      timer = null;

       }

}

function gentower() {

   s = " \n";

   for (i = MAXHEIGHT - 1; i >= 0; i--) {

      for (j = 0; j < tower.length; j++) {

      len = i < h[j] ? tower[j] : 0;

      width = MAXHEIGHT - len;

      s += " " + spc.substring(0, width) + dname[len] + spc.substring(0, width);

      }

      s += "\n";

   }

   return s+"=======================================================";

}

-->

</script>

Edited by VBScript - 23 March 2005 at 12:35pm