/*==================================
    Suckerfish Dropdown
    Author: Patrick Griffiths
==================================*/
sfHover = function() {
    var sfEls = document.getElementById("mainnav").getElementsByTagName("LI");
    for (var i=0; i<sfEls.length; i++) {
        sfEls[i].onmouseover=function() {
            this.className+=" sfHover";
        }
        sfEls[i].onmouseout=function() {
            this.className=this.className.replace(new RegExp(" sfHover\\b"), "");
        }
    }
}
if (window.attachEvent) window.attachEvent("onload", sfHover);