Asi
Código HTML:
Ver original<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"> titulo
<meta http-equiv="content-type" content="text/html; charset=utf-8" /> <body onload="document.getElementById('campo').focus();"> <input id="campo" name="campo" value="" />
Saludos