function getCook(CN)
{
	var Pi, Pf, n, v;
	n="orlv"+CN+"=";
	Pi=document.cookie.indexOf(n);
	if(Pi<0)return(0);
	Pi+=n.length;
	if((Pf=document.cookie.indexOf(';', Pi))<0) Pf=document.cookie.length;
	if(isNaN(v=parseInt(document.cookie.substring(Pi,Pf)))) return(0);
	return(Math.max(0,v));
}
function setCook(CN,v)
{
	var x=new Date();
	x.setTime(x.getTime()+(1000*60*60*24 * 30));
	document.cookie="orlv"+CN+"="+v+"; expires="+x.toGMTString();
}