Matrix

<script type="text/javascript">

var w = 45;
var h = 30;
var dtable_callback = null;

function dtable_stop()
{
   clearTimeout(dtable_callback);
   return null;
}

function dtable_set()
{
   //var s = " DIGITAL ";   //   9
   //var s = " DIG TAL ";   //   9
   //var s = " DIG TAL ";   //   9
   var s = " DIG TAL DIGITALL ";   //   18
   //var s = "III DIG TAL IIIII ";   //   18
   //var s = "TTT DIG TAL TTTTT ";   //   18
   //var s = "AAA DIG TAL AAAAI ";   //   18
   var num = 18;
   var colours = new Array(5);
   colours[0] = "#00ff00";
   colours[1] = "#00ff33";
   colours[2] = "#33ff00";
   colours[3] = "#12ff1a";
   colours[4] = "#aaff34";
   
   var x = 0;
   var y = 0;
   var ww = w;
   var hh = h;
   
   for(i=0;i<20;i++)
   {
      x = Math.floor(Math.random(ww)*100%ww);
      y = Math.floor(Math.random(hh)*100%hh);
      document.getElementById('dtable').rows[y].cells[x].innerHTML = s.charAt( Math.floor(Math.random(num)*100%num) );
      document.getElementById('dtable').rows[y].cells[x].style.color = colours[Math.floor(Math.random(5)*100%5)];
   }
   
   var nn = Math.floor(Math.random(4)*100%4);
   if(1 == nn)
   {
      var s = "DIGITAL";
      for(i=0;i<7;i++)
      {
         document.getElementById('dtable').rows[(Math.floor(y/2))].cells[(Math.floor(x/2))+i].innerHTML = s.charAt( i );
         document.getElementById('dtable').rows[(Math.floor(y/2))].cells[(Math.floor(x/2))+i].style.color = colours[Math.floor(Math.random(5)*100%5)];
      }
   }
   dtable_callback=setTimeout ('dtable_set()', 5);
}

function init_table(w, h)
{
   var s = "<table id='dtable' width='100%' border='0' style='background-color: black; color: green; font-family:monospace; font-weight: bold; font-size: 20;'>";
   for(i=0;i<h;i++)
   {
      s += "<tr>";
      for(j=0;j<w;j++)
      {
         s += "<td> <br></td>";
      }
      s += "</tr>";
   }
   s += "</table>";
   return s;
}
</script>

<script type="text/javascript">
document.write(init_table(w, h));
dtable_set(w, h);
</script>
<br /><br />
<a href='#' onclick="dtable_stop();">Stop</a>
<br />