// StyleSwitcher functions written by Paul Sowden
// http://www.idontsmoke.co.uk/ss/
// For the details, visit ALA:
// http://www.alistapart.com/stories/alternate/
// nifty StyleSwitcher scripts modified by Aaron Jones 10/10/2002
// latest version grabbed from zeldman.com
function setActiveStyleSheet(title) {
	var i, a, main;
	for (i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if (a.getAttribute("rel") &&
				a.getAttribute("rel").indexOf("style") != -1 &&
				a.getAttribute("title")) {
			a.disabled = true;
			if(a.getAttribute("title") == title) a.disabled = false;
		}
	}
}

function getActiveStyleSheet() {
	var i, a;
	for (i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if (a.getAttribute("rel") &&
				a.getAttribute("rel").indexOf("style") != -1 &&
				a.getAttribute("title") &&
				!a.disabled
				) return a.getAttribute("title");
	}
	return null;
}

function getPreferredStyleSheet() {
	var i, a;
	for (i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if (a.getAttribute("rel") &&
				a.getAttribute("rel").indexOf("style") != -1 &&
				a.getAttribute("rel").indexOf("alt") == -1 &&
				a.getAttribute("title")
				) return a.getAttribute("title");
	}
	return null;
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function linksInNewWindow(a) {
var b=a?"_blank":"_self";
var c=document.links;
for(var i=0;i<c.length;i++) {if(c[i].href.search("hper.indiana.edu")==-1) c[i].target=b};
d=a?"true":"false";
createCookie("newwin", d, 365);
}

var majors = new Array('about', 'admissions', 'academics', 'careers', 'facilities', 'financial', 'news', 'people', 'service');
function toggle(a, b) {
	if (!document.getElementById) return true;
	if (b==1) for (var i=majors.length-1; i>=0; i--) if (majors[i] != a) document.getElementById(majors[i]).style.display='none';
	a=document.getElementById(a);
	a.style.display=(a.style.display=='block')?'none':'block';
	return false;
}

function eventPopup(url) {
	window.open(url, "eventwin", "height=500,width=500,scrollbars,resizable");
}
window.onload = function(e) {
	var cookie = readCookie("style");
	var title = cookie ? cookie : getPreferredStyleSheet();
	setActiveStyleSheet(title);
}

window.onunload = function(e) {
	var title = getActiveStyleSheet();
	createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);