Contador regressivo

Codigo: <html><head><title>Contagem Regressiva</title><SCRIPT language=JavaScript><!-- begin var sHors = "00"; var sMins = "01"; var sSecs = 60; function getSecs(){ sSecs--; if(sSecs<0) {sSecs=59;sMins--;if(sMins<=9)sMins="0"+sMins;} if(sMins=="0-1") {sMins=5;sHors--;if(sHors<=9)sHors="0"+sHors;} if(sSecs<=9)sSecs="0"+sSecs; if(sHors=="0-1") {sHors="00";sMins="00";sSecs="00"; clock1.innerHTML=sHors+"<font color=#000000>:</font>"+sMins+"<font color=#000000>:</font>"+sSecs;} else { clock1.innerHTML=sHors+"<font color=#000000>:</font>"+sMins+"<font color=#000000>:</font>"+sSecs; setTimeout('getSecs()',1000); } } //--></SCRIPT> </head><!-- Aqui começa o corpo da página --><body> <h2 align="center"><font color="#065ca5" face="tahoma">Contagem Regressiva</font></h2><hr color="#065ca5" width="100"> <div align="center"> <b><font color=#ff0000 size=2 face=arial><span id="clock1"></span><script>setTimeout('getSecs()',1000);</script></font></b><br> </div></body></html>