show clock javascript

     var myfont_face = "Arial";
     var myfont_size = "12";
     var myfont_color = "#0000cc";
     var myback_color = "#FFFFFF";
     var mywidth = 120;
     var my12_hour = 1;

     var dn = ""; var old = "";

     if (document.all||document.getElementById) { document.write('<span id="LiveClockIE" style="width:'+mywidth+'px; background-color:'+myback_color+'"></span>'); }
     else
     if (document.layers) { document.write('<ilayer bgColor="'+myback_color+'" id="ClockPosNS"><layer width="'+mywidth+'" id="LiveClockNS"></layer></ilayer>'); }
     else { old = "true"; show_clock(); }

     function show_clock() {

          //show clock in NS 4
          if (document.layers)
               document.ClockPosNS.visibility="show"
          if (old == "die") { return; }

          var Digital = new Date();
          var hours = Digital.getHours();
          var minutes = Digital.getMinutes();
          var seconds = Digital.getSeconds();

          if (my12_hour) {
               dn = "AM";
               if (hours > 12) { dn = "PM"; hours = hours - 12; }
               if (hours == 0) { hours = 12; }
          } else {
               dn = "";
          }
          if (minutes <= 9) { minutes = "0"+minutes; }
          if (seconds <= 9) { seconds = "0"+seconds; }

          myclock = '';
          myclock += '<strong> <font style="color:'+myfont_color+'; font-family:'+myfont_face+'; font-size:'+myfont_size+'pt;">';
          myclock += hours+':'+minutes+':'+seconds+' '+dn;
          myclock += '</font></strong> ';

          if (old == "true") {
               document.write(myclock);
               old = "die"; return;
          }

          if (document.layers) {
               clockpos = document.ClockPosNS;
               liveclock = clockpos.document.LiveClockNS;
               liveclock.document.write(myclock);
               liveclock.document.close();
          } else if (document.all) {
               LiveClockIE.innerHTML = myclock;
          } else if (document.getElementById) {
               document.getElementById("LiveClockIE").innerHTML = myclock;
          }

          setTimeout("show_clock()",1000);
}