sfHover = function() {
    var el = document.getElementById('Nav1');
    if(el != null)
    {
        if(!/\bnav\b/.test(el.className) && el.tagName == 'UL')
            setHover(el);
    
        var ieNavs = document.getElementsByTagName('ul');

        for(i=0; i<ieNavs.length; i++) {
            var ul = ieNavs[i]; if(/\bnav\b/.test(ul.className))
            setHover(ul); 
        }
    }
} 
function setHover(nav) {
    var ieULs = nav.getElementsByTagName('ul');
    if (navigator.appVersion.substr(22,3)!='5.0') {
        for (j=0; j<ieULs.length; j++) {
            var ieMat=document.createElement('iframe');
            if(window.opera != 'undefined')
                ieMat.src='';
            else
                ieMat.src='javascript:false';
                ieMat.scrolling='no';
                ieMat.frameBorder='0';
                ieMat.style.width=ieULs[j].offsetWidth+'px';
                ieMat.style.height=ieULs[j].offsetHeight+'px';
                ieMat.style.zIndex='-1';
                ieULs[j].insertBefore(ieMat, ieULs[j].childNodes[0]);
                ieULs[j].style.zIndex='101';
        }
        
        var ieLIs = nav.getElementsByTagName('li');
        
        for (var i=0; i<ieLIs.length; i++) if (ieLIs[i]) {
            ieLIs[i].onmouseover=function() {
                if(!/\bsfhover\b/.test(this.className))
                this.className+=' sfhover';
            }
            
            ieLIs[i].onmouseout=function() {
                if(!this.contains(event.toElement))
                    this.className=this.className.replace(' sfhover', '');
            }
            ieLIs[i].onmouseclick=function() {
                if(!this.contains(event.toElement))
                    this.className=this.className.replace(' sfhover', '');
            }
        }
    }
}
if(window.attachEvent) window.attachEvent('onload', sfHover);