var largeExpDate = new Date ();
largeExpDate.setTime(largeExpDate.getTime() + (365 * 24 * 3600 * 1000));
    
function setDocCookie(name, value, expires, path, domain, secure) {
  var curCookie = name + "=" + escape(value) +
      ((expires) ? "; expires=" + expires.toGMTString() : "") +
      ((path) ? "; path=" + path : "; path=/") +
      ((domain) ? "; domain=" + domain : "") +
      ((secure) ? "; secure" : "");
//  document.cookie = "";
  document.cookie = curCookie;
}

function getDocCookie(name) {
  var dc = document.cookie;
  var prefix = name + "=";
  var begin = dc.indexOf(prefix);
  if (begin == -1)
    return null;

  var end = document.cookie.indexOf(";", begin);
  if (end == -1)
    end = dc.length;
//  alert(name + ' ' + begin + ' ' + prefix.length + ' ' + end);
  return unescape(dc.substring(begin + prefix.length, end));
}

function deleteDocCookie(name, path, domain) 
{
	document.cookie = name + "=" + 
                ((path) ? "; path=" + path : "") +
                ((domain) ? "; domain=" + domain : "") +
                "; expires=Thu, 01-Jan-70 00:00:01 GMT"
}

function SaveCurrentResolution()
{
	var CurrentResolution = '';
	if(screen && parent == window)
	{
		CurrentResolution += 'ah=' + screen.availHeight + ';';
		CurrentResolution += 'aw=' + screen.availWidth + ';';
		CurrentResolution += 'h=' + screen.height + ';';
		CurrentResolution += 'w=' + screen.width + ';';
		setDocCookie('BrowserResolution', CurrentResolution, largeExpDate);
	}
}

SaveCurrentResolution();