How to submit an XForm by clicking on a hyperlink??

I would like to submit an XForm by clicking on a hyperlink, instead of a regular submit button. Does anyone know if this is possible?

This works in HTML, like this (there is no button shown, only a hyperlink) :

<style type="text/css">

.submitLink {
font-family: Arial, Helvetica, sans-serif;
font-size: 14px;
font-weight: Bold;
color: #CCCC88;
background-color: transparent;
text-decoration: underline;
border: none;
cursor: pointer;
cursor: hand;
}
</style>

<FORM action="http://somesite.com" method="post">
<LABEL for="firstname">First name: </LABEL>
<INPUT type="text" id="firstname"><BR>
<INPUT type="submit" class="submitLink" value="Submit Button"/>
</FORM>

How could this be achieved in XForms? I tried to add a "class"-attribute to the trigger that sends the form, but to no avail. The font has a pretty color, and is underlined, but the button is still shown.

This is my xforms-code (it's not what I want) :

<xforms:trigger class="submitLink" style="display:block">
<xforms:label>Login</xforms:label>
<xforms:action ev:event="DOMActivate">
<xforms:send submission="getLogin" />
</xforms:action>
</xforms:trigger>

So I'm thinking that Javascript is the way to go, perhaps like this:

a href="javascript:login()">Login</a>

and then

<SCRIPT LANGUAGE="JavaScript">
function login(){
var theModel = document.getElementById("LoginFormModel");

//var theInstance = theModel.getInstanceDocument("loginInstance");
//this works, I've used it to add and read nodes to and from the instance

//So how do I access the submission element of the model?
//And how can I submit it then?

//var theSubmit = theModel.getSubmission(); --> this does not work

var theSubmit = document.getElementById("getLogin"); // --> this doesn't give an
// error

theSubmit.submit(); // this does not work :(
}
</SCRIPT>

So how can I submit a XForm by clicking on a hyperlink, instead of a regular button?

I really need this, so I'd really appreciate all the help.

thanks in advance
Matt
Belgium