<!--var teachers_menuNavURLs  = new Array('/teachers/plans/',							 '/teachers/activities/',							 '/teachers/classroom.html',							 'http://mcdonaldobservatory.org/teachers/profdev/');var teachers_menuLinkText = new Array('Lesson Plans',                             'Classroom Activities',							 'StarDate in Classroom',							 'Teacher Workshops');							 						function teachers_menuNavbar() {	var teachers_menuNavStr= '';	for (var i = 0; i < teachers_menuNavURLs.length; i++) {		if (location.href.indexOf(teachers_menuNavURLs[i]) == -1) { 			teachers_menuNavStr += "<a href = " + teachers_menuNavURLs[i] + " class=\"sidenav_off\" onMouseOver = \"this.className ='sidenav_on';\" onMouseOut = \"this.className = 'sidenav_off';\">" + teachers_menuLinkText[i] + "</a><br>"; 		}		else {		    teachers_menuNavStr += "<span class=\"sidenav_active\">" + teachers_menuLinkText[i] + "</span><br>";		}	}	document.writeln(teachers_menuNavStr);	}// -->