var enablepersistence=true 
var persisttype="local"

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 savetabstate()
{
	var cookiename=(persisttype=="sitewide")? "tabcontent" : window.location.pathname
	var cookievalue=(persisttype=="sitewide")? tabsourceindex+"|"+previoustab+";path=/" : tabsourceindex+"|"+previoustab
	document.cookie=cookiename+"="+cookievalue
}

window.onunload=savetabstate