var enablepersist="on" //Enable saving state of content structure using session cookies? (on/off)
var collapseprevious="yes" //Collapse previously open content when opening present? (yes/no)
var showhidecookie="showaddress" // Cookiename of the variable where state is stored in
var defaultElement = "address1";

if (document.getElementById){
	document.write('<style type="text/css">');
	document.write('.switchcontent{display:none;}');
	document.write('</style>');
}

function getElementbyClass(classname){
	ccollect=new Array();
	var inc=0;
	var alltags=document.all? document.all : document.getElementsByTagName("*");
	for (i=0; i<alltags.length; i++){
		if (alltags[i].className==classname)
			ccollect[inc++]=alltags[i];
	}
}

function contractcontent(omit){
	var inc=0
	while (ccollect[inc]){
		if (ccollect[inc].id!=omit)
			ccollect[inc].style.display="none";
		inc++;
	}
}

function expandcontent(cid){
	if (typeof ccollect!="undefined"){
	if (collapseprevious=="yes")
		contractcontent(cid);
	document.getElementById(cid).style.display=(document.getElementById(cid).style.display!="block")? "block" : "none";
	saveswitchstate();
	}
}

function revivecontent(){
	contractcontent("omitnothing");
	selectedItem=getselectedItem();
	selectedComponents=selectedItem.split("|");
	for (i=0; i<selectedComponents.length-1; i++)
		document.getElementById(selectedComponents[i]).style.display="block";
}

function get_cookie(Name) { 
	var search = Name + "=";
	var returnvalue = "";
	if (document.cookie.length > 0) {
		offset = document.cookie.indexOf(search);
		if (offset != -1) { 
			offset += search.length;
			end = document.cookie.indexOf(";", offset);
			if (end == -1) end = document.cookie.length;
			returnvalue=unescape(document.cookie.substring(offset, end));
		}
	}
	return returnvalue;
}

function getselectedItem(){
	if (get_cookie(showhidecookie) != ""){
		selectedItem=get_cookie(showhidecookie);
		return selectedItem;
	}
	else
		return defaultElement + "|";
}

function saveswitchstate(){
	var inc=0, selectedItem="";
	while (ccollect[inc]){
		if (ccollect[inc].style.display=="block")
			selectedItem+=ccollect[inc].id+"|";
		inc++;
	}
	document.cookie=showhidecookie + "=" + selectedItem + "; path=/";
}

function do_onload(){
	getElementbyClass("switchcontent");
	if (enablepersist=="on" && typeof ccollect!="undefined");
	revivecontent();
}


if (window.addEventListener)
	window.addEventListener("load", do_onload, false);
else if (window.attachEvent)
	window.attachEvent("onload", do_onload);
else if (document.getElementById)
	AddEvent(window, "load", do_onload);


if (enablepersist=="on" && document.getElementById)
	AddEvent(window, "unload", saveswitchstate);

function markSelected(id){
	for (i=1; i<4; i++){
		obj = document.getElementById("addressLink"+i);
		obj.className = "";
	}
	obj = document.getElementById(id);
	obj.className = "aAddressSelected";
}
