(Stolen from Jeremy Keith and Dustin Diaz: http://domscripting.com/blog/display/38).

Unobtrusive script takes a form inputs type attribute and copies it to that input's class. So, you go from...

<input type="text" />

...to...

<input type="text" class="text" />

Basically allows attribute selectors for form until IE catches up.

/*
        form.js
        AUTH: Austin Govella ([email protected])
        DATE: 2006-07-01
        DESC: Includes form specific javascripts.
        NOTE: Stolen from Jeremy Keith and Dustin Diaz: http://domscripting.com/blog/display/38
        REVS:  
*/



function appendInputTypeClasses()
{       /* adds input type as the inputs class */
        if ( !document.getElementsByTagName ) return;

        var inputs = document.getElementsByTagName('input');
        var inputLen = inputs.length;
        for ( i=0; i < inputLen; i++ )
        {
                if ( inputs[i].getAttribute('type') )
                {
                        inputs[i].className += ' '+inputs[i].getAttribute('type');
                }
        }
}