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">#menu1Container, #menu2Container, #menu3Container, #menu4Container, #menu5Container, #menu6Container, #menu7Container, #menu8Container, #menu9Container, #menu10Container, #menu11Container, #menu12Container, #menu13Container, #menu14Container, #menu15Container {display: none}<\/style>');
}
}
var browser = new BrowserDetect();