function getCookie(keyname){
	tmp = document.cookie + ";";
	index1 = tmp.indexOf(keyname,0);
	if(index1 != -1){
		tmp = tmp.substring(index1,tmp.length);
		index2 = tmp.indexOf("=",0) + 1;
		index3 = tmp.indexOf(";",index2);
		return(unescape(tmp.substring(index2,index3)));
	}
	return("");
}
function setCookie(keyname,val){
	theDay   = 180;
	setDay = new Date();
	setDay.setTime(setDay.getTime()+(theDay*1000*60*60*24));
	expDay = setDay.toGMTString();
	tmp = keyname + "=" + escape(val) + ";";
	tmp += "path" + "=" + "/" + ";";
	tmp += "expires =" + expDay;
	document.cookie = tmp;
}