function navChange(formName, popupName, target) {
	var popup = document[formName].elements[popupName];
	if (popup.options[popup.selectedIndex].value != "") {
		window.open(popup.options[popup.selectedIndex].value, target);
		popup.selectedIndex=0;
	}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}