function toggleSide(tab) {
	tabs = new Array(3);
	tabs[0] = "search";
	tabs[1] = "login";
	tabs[2] = "links";
	tattrs = new Array(3);		tat_on = new Array(3);	tat_off = new Array(3);
	tattrs[0] = "background";	tat_on[0] = "#FFF";		tat_off[0] = "#E6E6E6";
	tattrs[1] = "marginLeft";	tat_on[1] = "0";		tat_off[1] = "1px";
	tattrs[2] = "paddingLeft";	tat_on[2] = "6px";		tat_off[2] = "5px";
	
	if (tab == "showlogin") {
		showed = "hidden";
		tab = "login";
	} else {
		showed = eval('document.getElementById(\''+tab+'\').style.visibility');
	}
	
	if (showed == "visible") {
		eval('document.getElementById(\''+tab+'\').style.visibility = \'hidden\'');
		document.getElementById('side_tabs').style.left = "700px";
		for (var i=0; i<3; i++) {
			eval('document.getElementById(\'t'+tab+'\').style.'+tattrs[i]+' = \''+tat_off[i]+'\'');
		}
	} else {
		eval('document.getElementById(\''+tab+'\').style.display = \'block\'');
		eval('document.getElementById(\''+tab+'\').style.visibility = \'visible\'');
		document.getElementById('side_tabs').style.left = "908px";
		for (var i=0; i<3; i++) {
			eval('document.getElementById(\'t'+tab+'\').style.'+tattrs[i]+' = \''+tat_on[i]+'\'');
		}
		for (var i=0; i<3; i++) {
			if (tabs[i] != tab) {
				eval('document.getElementById(\''+tabs[i]+'\').style.visibility = \'hidden\'');
				for (var j=0; j<3; j++) {
					eval('document.getElementById(\'t'+tabs[i]+'\').style.'+tattrs[j]+' = \''+tat_off[j]+'\'');
				}
			}
		}
	}
}

function showLogin() {
	toggleSide('showlogin');	
	document.lbrown.user.focus();
}

function setWebmail() {
	type = document.lemail.agent.options[document.lemail.agent.selectedIndex].value;
	setCookie('webmail',type,'700');

	if (type == "IMP") {
		mailform = '<form action="https://webmail.mail.rice.edu/imp/redirect.php" method="post" name="lemail"><input type="hidden" name="actionID" value="105"><input type="hidden" name="url" value=""><input type="hidden" name="mailbox" value="INBOX"><input type="hidden" name="folders" value="Mail/"><input type="hidden" name="new_lang" value="en_US"><input type="hidden" name="server" value="owlnet"><label>Username:<'+'/label><input type="text" size="14" name="imapuser" /><br /><label>Password:<'+'/label><input type="password" size="14" name="pass" /> <input type="image" src="/images/go.gif" width="18" height="13" /><label>Use:<'+'/label><select name="agent" size="1" onchange="setWebmail()"><option value="IMP" selected>IMP<'+'/option><option value="TWIG">TWIG<'+'/option><'+'/select><'+'/form>';
	} else if (type == "TWIG") {
		mailform = '<form action="https://webmail.mail.rice.edu/twig/owlnet/index.php3" method="post" name="lemail"><input type="hidden" name="set_twig_authenticated" value="Log In"><label>Username:<'+'/label><input type="text" size="14" name="login_username" /><br /><label>Password:<'+'/label><input type="password" size="14" name="login_password" /> <input type="image" src="/images/go.gif" width="18" height="13" /><label>Use:<'+'/label><select name="agent" size="1" onchange="setWebmail()"><option value="IMP">IMP<'+'/option><option value="TWIG" selected>TWIG<'+'/option><'+'/select><'+'/form>';
	}
	document.lemail.innerHTML = mailform;
}

function expand(type,id) {
	eval("document.getElementById('" + type + "_more_" + id + "').style.display = 'none'");
	eval("document.getElementById('" + type + "_rest_" + id + "').style.display = 'inline'");
}
function collapse(type,id) {
	eval("document.getElementById('" + type + "_rest_" + id + "').style.display = 'none'");
	eval("document.getElementById('" + type + "_more_" + id + "').style.display = 'inline'");
}

function setPrefs() {
	var anum = document.aprefs.anum.options[document.aprefs.anum.selectedIndex].value;
	var awords = document.aprefs.awords.options[document.aprefs.awords.selectedIndex].value;
	var nnum = document.nprefs.nnum.options[document.nprefs.nnum.selectedIndex].value;
	var nwords = document.nprefs.nwords.options[document.nprefs.nwords.selectedIndex].value;
	var val = anum + ',' + awords + ',' + nnum + ',' + nwords;
	
	setCookie('homeprefs',val,'700');
	window.location.replace(window.location.href);
}

function toggleInfo(id) {
	var name = "info" + id;
	if (document.getElementById(name).style.display == "inline") {
		document.getElementById(name).style.display = "none";
	} else {
		document.getElementById(name).style.display = "inline";
	}
}

function switchDay(day) {
	if (day == 1) {
		document.getElementById('today').style.display = "none";
		document.getElementById('tomorrow').style.display = "inline";
	} else {
		document.getElementById('tomorrow').style.display = "none";
		document.getElementById('today').style.display = "inline";
	}
}