incrementor = (navigator.appName == "Microsoft Internet Explorer") ? 1:4;

//navName must be defined when calling this function
function highlight() {

	objSlider = $('slider');
	objMenuItem = $(navName);

	if (objSlider.offsetLeft < objMenuItem.offsetLeft) {
	  objSlider.style.left = objSlider.offsetLeft + Math.ceil((objMenuItem.offsetLeft - objSlider.offsetLeft) / 100) + incrementor + "px";
		if (objSlider.offsetWidth < objMenuItem.offsetWidth + 28) {
		  objSlider.style.width = objSlider.offsetWidth + incrementor + 2 + "px";
		} else {
		  objSlider.style.width = objMenuItem.offsetWidth + 28 + "px";
		}
		setTimeout("highlight()", 1);
	} else {
	  objSlider.style.left = objMenuItem.offsetLeft + "px";
		if (objSlider.offsetWidth < objMenuItem.offsetWidth + 28) {
		  objSlider.style.width = objSlider.offsetWidth + incrementor + 2 + "px";
			setTimeout("highlight()", 1);
		} else {
		  objSlider.style.width = objMenuItem.offsetWidth + 28 + "px";
		}
	}
}

var myWindow;
function openCenteredWindow(url,width,height) {
    var left = parseInt((screen.availWidth/2) - (width/2));
    var top = parseInt((screen.availHeight/2) - (height/2));
    var windowFeatures = "width=" + width + ",height=" + height + ",resizable=no,left=" + left + ",top=" + top + "screenX=" + left + ",screenY=" + top;
    myWindow = window.open(url, "subWind", windowFeatures);
}