function youAreHere() {
  var header_nav = document.getElementById("header").getElementsByTagName("li");
	var footer_nav = document.getElementById("footer").getElementsByTagName("li");
	var total_nav = header_nav.length + footer_nav.length;
	for (i = 0; i < total_nav; i++) {
	  if (i < header_nav.length) {
	    if (document.body.id == header_nav[i].getElementsByTagName("a")[0].className) {
		    header_nav[i].getElementsByTagName("a")[0].title += ": You are here";
		  }
		} else {
	    if (document.body.id == footer_nav[i - header_nav.length].getElementsByTagName("a")[0].className) {
		    footer_nav[i - header_nav.length].getElementsByTagName("a")[0].title += ": You are here";
		  }
		}
	}
	return false;
}