var myCookieName = 'textsize';

function writeNonPersistentCookie (CookieName, CookieValue, periodType, offset) {
	var expireDate = new Date ();
	offset = offset / 1;

	var myPeriodType = periodType;
	switch (myPeriodType.toLowerCase()) {
		case "years": 
		var year = expireDate.getYear();     
		if (year < 1000) year = year + 1900;     
			expireDate.setYear(year + offset);
			break;
		case "months":
			expireDate.setMonth(expireDate.getMonth() + offset);
			break;
		case "days":
			expireDate.setDate(expireDate.getDate() + offset);
			break;
		case "hours":
			expireDate.setHours(expireDate.getHours() + offset);
			break;
		case "minutes":
			expireDate.setMinutes(expireDate.getMinutes() + offset);
			break;
		default:
			alert ("Invalid periodType parameter for writePersistentCookie()");
		break;
	} 
	document.cookie = escape(CookieName ) + "=" + escape(CookieValue) + "; expires=" + expireDate.toGMTString() + "; path=/";
	window.location.href = unescape(window.location.pathname);
}


function writePersistentCookie (CookieName, CookieValue, periodType, offset) {
	var expireDate = new Date ();
	offset = offset / 1;

	var myPeriodType = periodType;
	switch (myPeriodType.toLowerCase()) {
		case "years": 
		var year = expireDate.getYear();     
		if (year < 1000) year = year + 1900;     
			expireDate.setYear(year + offset);
			break;
		case "months":
			expireDate.setMonth(expireDate.getMonth() + offset);
			break;
		case "days":
			expireDate.setDate(expireDate.getDate() + offset);
			break;
		case "hours":
			expireDate.setHours(expireDate.getHours() + offset);
			break;
		case "minutes":
			expireDate.setMinutes(expireDate.getMinutes() + offset);
			break;
		default:
			alert ("Invalid periodType parameter for writePersistentCookie()");
		break;
	} 
	document.cookie = escape(CookieName ) + "=" + escape(CookieValue) + "; path=/";
	window.location.href = unescape(window.location.pathname);
}


function getCookieValue (cookieName) {
	var exp = new RegExp (escape(cookieName) + "=([^;]+)");
	if (exp.test (document.cookie + ";")) {
		exp.exec (document.cookie + ";");
		return unescape(RegExp.$1);
	}
	else return false;
}

function readCookieTest () {

  if (document.getElementById('f5CookieName').value.length > 0) {
    var myCookieName = document.getElementById('f5CookieName').value;
    if (getCookieValue (myCookieName))
      alert ('The value of the Cookie is "' + getCookieValue (myCookieName) + '"')
    else alert ("Cookie not found");
  }
  else alert ("Please provide a cookie name");
} 


function setTextOnly(){

if (getCookieValue('textonly') == 'true'){
	writePersistentCookie ('textonly', 'false', 'days', '1');
	location.href = location.href;
}else{
	writePersistentCookie ('textonly', 'true', 'days', '1');
	location.href = location.href;
}
}






if (getCookieValue('textsize') == 'small') {
	//if the cookie is set, tehn set the text to the appropriate size
	document.write('<LINK REL=StyleSheet HREF="/css/small.css" TYPE="text/css">');
}
if (getCookieValue('textsize') == 'medium') {
	//set text size to default (small)
	document.write('<LINK REL=StyleSheet HREF="/css/medium.css" TYPE="text/css">');
}
if (getCookieValue('textsize') == 'large') {
	//set text size to default (small)
	document.write('<LINK REL=StyleSheet HREF="/css/large.css" TYPE="text/css">');
}

if (getCookieValue('textonly') == 'true') {
	//set text only styles
	document.write('<LINK REL=StyleSheet HREF="/css/textonly.css" TYPE="text/css">');
}else{

	document.write('<LINK REL=StyleSheet HREF="/css/default2.css" TYPE="text/css">');
}