if(navigator.appName == "Netscape") {
document.write('<layer id="clock"></layer><br>');
}

if (navigator.appVersion.indexOf("MSIE") != -1){
document.write('<span id="clock"></span><br>');
}
function upclock(){
var hoje   = new Date();
var hrs = hoje.getHours();
var min = hoje.getMinutes();
var sec = hoje.getSeconds();
var col = ":";
var spc = " ";
var tco = "-";
var mes    = (hoje.getMonth()+1);
var ano    = (hoje.getYear() + 0);
var dia    = hoje.getDate();
if (min   <= "9")  min = "0"+min;
if (dia   <= "9")  dia = "0"+dia;
if (sec   <= "9")  sec = "0"+sec;
if (mes   <= "9")  mes = "0"+mes;

if(navigator.appName == "Netscape") {
document.clock.document.write(dia+'/'+mes+'/'+ano+spc+tco+spc+hrs+col+min+col+sec+'&nbsp;&nbsp;');
document.clock.document.close();
}

if (navigator.appVersion.indexOf("MSIE") != -1){
	clock.innerHTML = dia+'/'+mes+'/'+ano+spc+tco+spc+hrs+col+min+col+sec+'&nbsp;&nbsp;'
}
}

setInterval("upclock()",1000);

upclock();