var selId="icon_textsize_small";
var manual_or_random="manual" //"manual" or "random"
var randomsetting="7 days" //"eachtime", "sessiononly", or "x days (replace x with desired integer)". Only applicable if mode is random.

//////No need to edit beyond here//////////////

function getCookie(Name) {
var re=new RegExp(Name+"=[^;]+", "i"); //construct RE to search for target name/value pair
if (document.cookie.match(re)) //if cookie found
return document.cookie.match(re)[0].split("=")[1] //return its value
return null
}

function setCookie(name, value, days) {
var expireDate = new Date()
//set "expstring" to either future or past date, to set or delete cookie, respectively
var expstring=(typeof days!="undefined")? expireDate.setDate(expireDate.getDate()+parseInt(days)) : expireDate.setDate(expireDate.getDate()-5)
document.cookie = name+"="+value+"; expires="+expireDate.toGMTString()+"; path=/";
}

function deleteCookie(name){
setCookie(name, "moot")
}


function setStylesheet(title, randomize){ //Main stylesheet switcher function. Second parameter if defined causes a random alternate stylesheet (including none) to be enabled
var i, cacheobj, altsheets=[""]
for(i=0; (cacheobj=document.getElementsByTagName("link")[i]); i++) {
if(cacheobj.getAttribute("rel").toLowerCase()=="alternate stylesheet" && cacheobj.getAttribute("title")) { //if this is an alternate stylesheet with title
cacheobj.disabled = true
altsheets.push(cacheobj) //store reference to alt stylesheets inside array
if(cacheobj.getAttribute("title") == title) //enable alternate stylesheet with title that matches parameter
cacheobj.disabled = false //enable chosen style sheet
}
}
if (typeof randomize!="undefined"){ //if second paramter is defined, randomly enable an alt style sheet (includes non)
var randomnumber=Math.floor(Math.random()*altsheets.length)
altsheets[randomnumber].disabled=false
}
return (typeof randomize!="undefined" && altsheets[randomnumber]!="")? altsheets[randomnumber].getAttribute("title") : "" //if in "random" mode, return "title" of randomly enabled alt stylesheet
}

function chooseStyle(styletitle, days, id_Text, cdn){ //Interface function to switch style sheets plus save "title" attr of selected stylesheet to cookie
if (document.getElementById){
setStylesheet(styletitle)
setCookie("mysheet", styletitle, days)

	var imagePath = cdn+"/pgeds/en_US/data_root/images/cframe/icon_textsize_small_off.gif";
	(document.getElementById("icon_textsize_small")).getElementsByTagName("img")[0].src = imagePath;
	var imagePath = cdn+"/pgeds/en_US/data_root/images/cframe/icon_textsize_medium_off.gif";
	(document.getElementById("icon_textsize_medium")).getElementsByTagName("img")[0].src = imagePath;
	var imagePath = cdn+"/pgeds/en_US/data_root/images/cframe/icon_textsize_large_off.gif";
	(document.getElementById("icon_textsize_large")).getElementsByTagName("img")[0].src = imagePath;
	var imagePath = cdn+"/pgeds/en_US/data_root/images/cframe/" + id_Text + "_on.gif";
	(document.getElementById(id_Text)).getElementsByTagName("img")[0].src = imagePath;
}
}

function indicateSelected(element){ //Optional function that shows which style sheet is currently selected within group of radio buttons or select menu
if (selectedtitle!=null && (element.type==undefined || element.type=="select-one")){ //if element is a radio button or select menu
var element=(element.type=="select-one") ? element.options : element
for (var i=0; i<element.length; i++){
if (element[i].value==selectedtitle){ //if match found between form element value and cookie value
if (element[i].tagName=="OPTION") //if this is a select menu
element[i].selected=true
else //else if it's a radio button
element[i].checked=true
break
}
}
}
}

if (manual_or_random=="manual"){ //IF MANUAL MODE
var selectedtitle=getCookie("mysheet")
if (document.getElementById && selectedtitle!=null) //load user chosen style sheet from cookie if there is one stored
setStylesheet(selectedtitle)
}
else if (manual_or_random=="random"){ //IF AUTO RANDOM MODE
if (randomsetting=="eachtime")
setStylesheet("", "random")
else if (randomsetting=="sessiononly"){ //if "sessiononly" setting
if (getCookie("mysheet_s")==null) //if "mysheet_s" session cookie is empty
document.cookie="mysheet_s="+setStylesheet("", "random")+"; path=/" //activate random alt stylesheet while remembering its "title" value
else
setStylesheet(getCookie("mysheet_s")) //just activate random alt stylesheet stored in cookie
}
else if (randomsetting.search(/^[1-9]+ days/i)!=-1){ //if "x days" setting
if (getCookie("mysheet_r")==null || parseInt(getCookie("mysheet_r_days"))!=parseInt(randomsetting)){ //if "mysheet_r" cookie is empty or admin has changed number of days to persist in "x days" variable
setCookie("mysheet_r", setStylesheet("", "random"), parseInt(randomsetting)) //activate random alt stylesheet while remembering its "title" value
setCookie("mysheet_r_days", randomsetting, parseInt(randomsetting)) //Also remember the number of days to persist per the "x days" variable
}
else
setStylesheet(getCookie("mysheet_r")) //just activate random alt stylesheet stored in cookie
} 

}
//*************************************************

// For text size image
function changeTextSizeImageOnMouseOver(id_Text, cdn) {
var currentId=getCookie("mysheet");

if(currentId=="none"){
selId="icon_textsize_small";
}
if(currentId=="medium-font"){
selId="icon_textsize_medium";
}
if(currentId=="large-font"){
selId="icon_textsize_large";
}
//	alert(selId);
	if (selId != id_Text) {
		var imagePath = cdn + "/pgeds/en_US/data_root/images/cframe/" + id_Text + "_over.gif";
		(document.getElementById(id_Text)).getElementsByTagName("img")[0].src = imagePath;
	}
}
function changeTextSizeImageOnMouseOut(id_Text, cdn) {
	var currentId=getCookie("mysheet");
	if(currentId=="none"){
	selId="icon_textsize_small";
	}
	if(currentId=="medium-font"){
	selId="icon_textsize_medium";
	}
	if(currentId=="large-font"){
	selId="icon_textsize_large";
	}
		if (selId != id_Text) {
			var imagePath = cdn + "/pgeds/en_US/data_root/images/cframe/" + id_Text + "_off.gif";
			(document.getElementById(id_Text)).getElementsByTagName("img")[0].src = imagePath;
		}
}

function changeTextSizeImageOnClick(id_Text, cdn) {
	
	var imagePath = cdn+"/pgeds/en_US/data_root/images/cframe/icon_textsize_small_off.gif";
	(document.getElementById("icon_textsize_small")).getElementsByTagName("img")[0].src = imagePath;
	var imagePath = cdn+"/pgeds/en_US/data_root/images/cframe/icon_textsize_medium_off.gif";
	(document.getElementById("icon_textsize_medium")).getElementsByTagName("img")[0].src = imagePath;
	var imagePath = cdn+"/pgeds/en_US/data_root/images/cframe/icon_textsize_large_off.gif";
	(document.getElementById("icon_textsize_large")).getElementsByTagName("img")[0].src = imagePath;
	var imagePath = cdn+"/pgeds/en_US/data_root/images/cframe/" + id_Text + "_on.gif";
	(document.getElementById(id_Text)).getElementsByTagName("img")[0].src = imagePath;
}
function autoSelectedTextSizeImage(currentId,cdn){
	var selId="icon_textsize_small";
	if(currentId=="none"){
	selId="icon_textsize_small";
	}
	if(currentId=="medium-font"){
	selId="icon_textsize_medium";
	}
	if(currentId=="large-font"){
	selId="icon_textsize_large";
	}
	var imagePath = cdn+"/pgeds/en_US/data_root/images/cframe/"+ selId +"_on.gif";
	(document.getElementById(selId)).getElementsByTagName("img")[0].src = imagePath;
}