function setCookie(name,value)
{
var exdate=new Date()
exdate.setTime(exdate.getTime()+(3600*1000))
document.cookie=name+ "=" +escape(value)+ "; expires="+exdate
}

function getCookie(name)
{
var dc = document.cookie;
var prefix = name + "=";
var begin = dc.indexOf("; " + prefix);
if (begin == -1)
{
begin = dc.indexOf(prefix);
if (begin != 0) return null;
}
else
{
begin += 2;
}
var end = document.cookie.indexOf(";", begin);
if (end == -1)
{
end = dc.length;
}
return unescape(dc.substring(begin + prefix.length, end));
}