function NavMouseover(li) {
    var agent  = navigator.userAgent.toLowerCase();
    var regex = /msie/i;
    if (regex.test(agent))
       li.className+='hover ';
    if (li.id.match('^navParent')) {
        var navChild=document.getElementById('navChild');
        if (navChild) {
            var childContainers = navChild.getElementsByTagName('ul');
            if (childContainers) {
                for (var i = 0; i < childContainers.length; i++)
                {  
                    if (childContainers[i].id.match('^navChild')) {
                        if (childContainers[i].id.match('^navChild-'+li.id.substring(li.id.indexOf('-')+1))) {
                            childContainers[i].style.display='inline';
                        } else {
                            childContainers[i].style.display='none';
                        }
                    }
                }
            }
        }
    }
}
function NavMouseout(li) { 
    var agent  = navigator.userAgent.toLowerCase();
    var regex = /msie/i;
    if (regex.test(agent))
        li.className=li.className.replace(' hover ', '');
}