sfHover = function() {
	var sfEls = document.getElementById("menu").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);

function BrowserDetect() {
var ua = navigator.userAgent.toLowerCase();
this.isSafari = (ua.indexOf('safari') != - 1);
this.versionMinor = parseFloat(navigator.appVersion); 
this.isSafari10 = ((this.isSafari) && (this.versionMinor < 87));
if (this.isSafari10 == true) {
document.write('<style type="text/css">#menu li:hover ul, #menu li.sfhover ul {left: -999px;}<\/style>');
}
}
var browser = new BrowserDetect();