function pcw_setCookie(name, value, expires, domain){
	pcw_setRawCookie(name, escape(value), expires, domain);
}

function pcw_setRawCookie(name, value, expires, domain){
	if(navigator.cookieEnabled){
		document.cookie = name+"="+value+";expires="+expires.toGMTString()+";domain="+domain+";path=/";
	}
}

function pcw_readCookie(name){
	return unescape(pcw_readRawCookie(name));
}

function pcw_writeCookie(name, value, expires, domain){
	pcw_setCookie(name, value, expires, domain);
}

function pcw_readRawCookie(name){
	if(navigator.cookieEnabled&&document.cookie!=''){
		var strAll = document.cookie;
		var i1 = strAll.indexOf(name);
		if(i1!=-1){
			// skip name and '='
			i1 = i1+name.length+1;
			i2 = strAll.indexOf(';', i1);
			if(i2==-1) i2 = strAll.length;
			return strAll.substring(i1, i2);
		}
	}
	return "";
}

function pcw_removeCookie(name, domain){
	if(navigator.cookieEnabled){
		var d = new Date();
		d.setDate(d.getDate()-30);
		document.cookie=name+"=;expires="+d.toGMTString()+";domain="+domain+";path=/";
	}
}