var Mxm = {
    elementAttributeValue : function (element, name) {
        if (Prototype.Browser.IE) {
            // prototype readAttribute error for IE 7 !
            return element.attributes.getNamedItem(name).nodeValue;
        }
        else {
            // use of prototype's readAttribute
            return Element.readAttribute(element, name);
        }
    }
};