function vC(c)
{	 
   a = document.cookie.substring(document.cookie.indexOf('cptch=') + 6,document.cookie.length);  
   if(a.indexOf(';') != -1)a = a.substring(0,a.indexOf(';'))
   if (a==c.value)
   	return 1;
   else
   	return 0;
}
function gC(){
return("https://registro.terra.es/servlet/captcha?aux=XXXXXXXXXXX");
}

function nuevoC(f){
document.getElementById(f).setAttribute('src','https://registro.terra.es/servlet/captcha?aux=' + (new Date()).getTime());
}