function position_menu_indicator() {
	if (document.getElementById('selected_submenu')!=null) {
		var offsetTrail = document.getElementById('selected_submenu');
		var offsetLeft = 0;
		var offsetTop = 0;

		while (offsetTrail){
			offsetLeft += offsetTrail.offsetLeft;
			offsetTop += offsetTrail.offsetTop;
			offsetTrail = offsetTrail.offsetParent;
		}

		if (navigator.userAgent.indexOf('Mac') != -1 && typeof document.body.leftMargin != 'undefined'){
			offsetLeft += document.body.leftMargin;
			offsetTop += document.body.topMargin;
		}

		offsetLeft+=(document.getElementById('selected_submenu').offsetWidth/2)-10;
		offsetLeft=Math.floor(offsetLeft);

		document.getElementById('selected_indicator').style.left=offsetLeft+'px';
		//document.getElementById('selected_indicator').style.top=offsetTop+28+'px';
	}
}