/*
 * facnav.js - School of Music - Faculty Profile Navigation Links
 *
 * Created:  3:00 pm 7/18/2006 <m-smathers@northwestern.edu>
 *
 */

var alpha = "abcdefghijklmnopqrstuvwxyz";
var exceptions = getExceptions();

// Note: SAFARI BUG - {element}.innerHTML ignores HTML comment text
function getExceptions() {
	var xelement = document.getElementById("facNavEmpty").innerHTML;
	return xelement.replace(/(<[^>]*>)?([\w|^>]*)(<[^>]*>)?/ig,"$2");
}

function getLetter() {
	var ucheck = document.URL.substr(document.URL.lastIndexOf("/"));
	if (ucheck == "/" || ucheck == "/facultyprofiles" || ucheck == "/index.html") { return 'a'; }
	return ucheck.charAt(1);
}

function writeFacultyNav(letter) {
	if (letter == 'a') { document.write("<b>A</b> | "); } 
	else { document.write("<a href=\"../facultyprofiles/index.html\">A</a> | "); }
	
	for (i=1; i<alpha.length; i++) {
		if (alpha.charAt(i) == letter) {
			document.write("<b>" + alpha.charAt(i).toUpperCase() + "</b> | ");
		} else if (exceptions.indexOf(alpha.charAt(i)) >= 0) {
			document.write(alpha.charAt(i).toUpperCase() + " | ");
		} else {
			document.write("<a href=\"../facultyprofiles/" + alpha.charAt(i) + ".html\">" + alpha.charAt(i).toUpperCase() + "</a> | ");
		}
	}	
	document.write("<a href=\"../facultyprofiles/emeriti.html\">Emeriti Faculty</a>");
}

writeFacultyNav(getLetter());