function getExpDate()
{
    var date = new Date();
                date.setTime(date.getTime()+(30*24*60*60*1000));
                return( date.toGMTString());
}
 
function setSkinCookie(skin)
{
document.cookie = 'skin = '+skin+'; expires = '+getExpDate()+'; path=/'; 
window.location.replace( window.location );
}