window.addEvent('domready', function()
{
    if($('emailAddress'))
    {
        $('emailAddress').addEvent('focus', function()
        {
            if($('emailAddress').get('value') == "enter email")
            {
                $('emailAddress').set('value', '');
            }
        });

        $('emailAddress').addEvent('blur', function()
        {
            if($('emailAddress').get('value') == "")
            {
                $('emailAddress').set('value', 'enter email');
            }
        });
    }
});