is = new Object();
is.user_agent = "CCBot/1.0 (+http://www.commoncrawl.org/bot.html)";
is.ie = false;
is.ie4 = false;
is.ie5 = false;
is.ie55 = false;
is.ie5_5 = false;
is.ie6 = false;
is.ns = false;
is.ns4 = false;
is.ns6 = false;
is.op = false;
is.moz = false;
is.moz5 = false;
is.dhtml = false;
is.ver = 0;