Event.observe(window,'load',applyMailtos);

function applyMailtos()
{
    $$('.contactButton').each(function(elem)
    {
        Event.observe(elem,'click',function(evt)
        {
            var prefix = Event.element(evt).alt.toString().sub('Contact ','mailto:');
            var suffix = "@enotions.co.uk";
            window.location = (prefix+suffix).toLowerCase(); 
        });
    });
}