var Textbox_Watermark =
{
    init: function () {
       
        var textboxWatermarks = $(".textbox_watermark");

        for (var i = 0, ii = textboxWatermarks.length; i < ii; i++) {
            $(textboxWatermarks[i]).watermark(textboxWatermarks[i].title);
        }
    }
}

$(document).ready(function () {
    Textbox_Watermark.init();
});