var ua = navigator.userAgent;
    var opera = /opera [56789]|opera\/[56789]/i.test(ua);
    var ie = !opera && /msie [56789]/i.test(ua);
    var moz	= !opera && /mozilla\/[56789]/i.test(ua);
    if (ie || moz || opera) {
     if (ie)
      simplifyCSSExpression();
     webfxMenuImagePath = "images/";		//points to your styles imagesfolder
     document.write(webfxMenuBar);
    }