function antimierda(user){
emailE=(user + '@' + 'ubu' + '.es')
document.write('<A href="mailto:' + emailE + '"><img class=ref src="\/ingciv\/lensis\/images\/mailbox.gif" alt="Buz\&oacute;n" align="middle">' + user + ' ' + '@' + 'ubu' + ' . ' + 'es</a>')
}