Snippet of javascript for pseudo HTML5 placeholder.

placeholder.js

$(function() {
    $('.placeholder input[type=text]').each(function() {
        var placeholder = $(this).val();

        $(this).focus(function() {
            if ($(this).val() == placeholder) {
                $(this).val('');
            }
        });

        $(this).blur(function() {
            if ($(this).val() == '') {
                $(this).val(placeholder);
            }
        });
    });
});