<!-- // 
camposig = "P01";
netscape = "";
vers = navigator.appVersion;
longitud = vers.length;
for(iln = 0; iln < longitud; iln++) {
  if ( vers.charAt(iln) == "(" ) break;
}
netscape = (vers.charAt(iln+1).toUpperCase() != "C");
function teclaPulsada(DnEvents) {
k = (netscape) ? DnEvents.which : window.event.keyCode;
if (k == 13) {                              
if (camposig == 'btnEnviar') return true; 
else {                                    
eval('document.worklife.' + camposig + '.focus()');
return false;
}}}
document.onkeydown = teclaPulsada;
if (netscape) document.captureEvents(Event.KEYDOWN | Event.KEYUP);
// -->