function createCookie(name,value,days)
{
	if (days)
	{
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name)
{
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++)
	{
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name)
{
	createCookie(name,"",-1);
}

function setStateCookie(stateAbbr)
{
	var _remember_me = document.forms["rememberState_form"]["rememberState_chkbx"].checked;
	if (stateAbbr){
		if(_remember_me) {
			eraseCookie("session");
			createCookie("ep_state",stateAbbr,365);
		} else {
			createCookie("session");
			createCookie("ep_state",stateAbbr);
		}
	} else {
		eraseCookie("session");
		eraseCookie("ep_state");
	}
}

function getStateCookie()
{
	var _stateAbbr = readCookie("ep_state");
	var _session = readCookie("session");
	if(_stateAbbr!=null){
		var loc = (document.location.href.lastIndexOf("/")+1<document.location.href.length) ? document.location.href.substring(0,document.location.href.lastIndexOf("/"))+"/" : document.location.href.substring(0,document.location.href.lastIndexOf("/")+1);
		if(document.referrer && document.referrer!="" && document.referrer.indexOf(loc+_stateAbbr)!=-1){
			eraseCookie("ep_state");
		} else if(!_session) {
			document.location.replace(_stateAbbr+"/");
		}
	}
}