function getCookie(Name) {
  var end;
  var search;
  search = Name + "=";

  if (document.cookie.length > 0) {
    offset = document.cookie.indexOf(search);
    if (offset != -1) {
      offset += search.length;
      end = document.cookie.indexOf(";", offset);
      if (end == -1) end = document.cookie.length;
      return unescape(document.cookie.substring(offset, end));
    } else {
      return "";
    }
  } else {
    return "";
  }
}

function setCookie (name, value, expire) {
  document.cookie = name + "=" + escape(value) + ";path=/" +((expire == null) ? "" : ("; expires=" + expire.toGMTString()));
}

function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		do {
			curleft += obj.offsetLeft;
			curtop += obj.offsetTop;
		} while (obj = obj.offsetParent);
	}
	return [curleft,curtop];
}