function set_cookie(name, value, exp_date, path, domain, secure)
{

  var cookie_string = name + "=" + escape(value);
  if (exp_date)
  {
    cookie_string += "; expires=" + exp_date;
  }
  
  if (path)
     cookie_string += "; path=" + escape (path);

  if (domain)
     cookie_string += "; domain=" + escape (domain);

  if (secure)
     cookie_string += "; secure";

  document.cookie = cookie_string;

}

 

function get_cookie(cookie_name)
{

  var results = document.cookie.match('(^|;) ?' + cookie_name + '=([^;]*)(;|$)');
  if (results)
    return (unescape(results[2]));
  else
    return null;
    
}


function delete_cookie(cookie_name)
{

  var cookie_date = new Date();  // current date & time
  cookie_date.setTime(cookie_date.getTime() - 1);
  document.cookie = cookie_name += "=; expires=" + cookie_date.toGMTString();

}


function getExpDate(days, hours, minutes) {
    var expDate = new Date();
    if (typeof days == "number" && typeof hours == "number" && typeof hours == "number") {
        expDate.setDate(expDate.getDate() + parseInt(days));
        expDate.setHours(expDate.getHours() + parseInt(hours));
        expDate.setMinutes(expDate.getMinutes() + parseInt(minutes));
        return expDate.toGMTString();
    }
}

cookie_name = "UK_Cookie";

function write_UK_cookie()
{
  if(get_cookie(cookie_name))
   {
   }
   else
   {
      set_cookie('UK_Cookie','1',getExpDate(7,0,0),'/',null,null);
   }
 
}

function write_cookie(cookie_name)
{

 if(get_cookie(cookie_name))
   {
   }
   else
   {
      set_cookie(cookie_name,'1',getExpDate(7,0,0),'/',null,null);
   }
}

function set_image_UK(imageid,UK_Url,US_Url)
{
   var bonus=document.getElementById(imageid);
    if(bonus) 
    {
       if (get_cookie(cookie_name))
         bonus.src=UK_Url;
       else
         bonus.src=US_Url;
     }    
}