function setRVCookie(name, value) {
	var today = new Date()
	var expires = new Date()
	expires.setTime(today.getTime() + 1000*60*60*24*30) // expires in a month
	document.cookie = name + "=" + escape(value) + "; expires=" + expires.toGMTString() +";path=/"
}

function getRVCookie(Name) {
	var search = Name + "="
	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
	return unescape(document.cookie.substring(offset, end))}
	else return ""
	}
}