/* Client-side access to querystring name=value pairs
  Version 1.2.3
  22 Jun 2005
  Adam Vandenberg
*/
function Querystring(qs) { // optionally pass a querystring to parse
  this.params = new Object()
  this.get=Querystring_get

  if (qs == null)
    qs=location.search.substring(1,location.search.length)

  if (qs.length == 0) return

// Turn <plus> back to <space>
// See: http://www.w3.org/TR/REC-html40/interact/forms.html#h-17.13.4.1
  qs = qs.replace(/\+/g, ' ')
  var args = qs.split('&') // parse out name/value pairs separated via &

// split out each name=value pair
  for (var i=0;i<args.length;i++) {
    var value;
    var pair = args[i].split('=')
    var name = unescape(pair[0])

    if (pair.length == 2)
      value = unescape(pair[1])
    else
      value = name

    this.params[name] = value
  }
}

function Querystring_get(key, default_) {
  // This silly looking line changes UNDEFINED to NULL
  if (default_ == null) default_ = null;

  var value=this.params[key]
  if (value==null) value=default_;

  return value
}

var expDays = 365; // number of days the cookie should last

function SetCookie (name, value) {
var argv = SetCookie.arguments;
var argc = SetCookie.arguments.length;
var expires = (argc > 2) ? argv[2] : null;
var path = (argc > 3) ? argv[3] : null;
var domain = (argc > 4) ? argv[4] : null;
var secure = (argc > 5) ? argv[5] : false;
document.cookie = name + "=" + escape (value) +
((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
((path == null) ? "" : ("; path=" + path)) +
((domain == null) ? "" : ("; domain=" + domain)) +
((secure == true) ? "; secure" : "");
}
function DeleteCookie (name) {
var exp = new Date();
exp.setTime (exp.getTime() - 1);
var cval = GetCookie (name);
document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}
var exp = new Date();
exp.setTime(exp.getTime() + (expDays*24*60*60*1000));
function amt(){
var count = GetCookie('count')
if(count == null) {
SetCookie('count','1')
return 1
}
else {
var newcount = parseInt(count) + 1;
DeleteCookie('count')
SetCookie('count',newcount,exp)
return count
   }
}
function getCookieVal(offset) {
var endstr = document.cookie.indexOf (";", offset);
if (endstr == -1)
endstr = document.cookie.length;
return unescape(document.cookie.substring(offset, endstr));
}

  var qs = new Querystring();

  var src = qs.get("src");

  if (src != null)
    SetCookie('adv', src, exp);

  var aid = qs.get("adused");

  if (aid != null)
    SetCookie('aid', aid, exp);
