////// OPTIONAL
//// content group(s)
var wt_cg="";
//// link tracking
var wt_ln="auto"; // (auto|standard|link)
var wt_linktrack_params=""; // optional: for "link" only
var wt_ln_attribute=""; // optional: for "standard" only
//// form tracking
var wt_fm=""; // activate form tracking
var wt_fm_anonymous=""; // anonymous data
//// heatmap tracking
var wt_hm=""; // activate heatmap tracking
//// basket
var wt_ba=""; // products
var wt_co=""; // costs
var wt_qn=""; // quantity
var wt_ca=""; // category
var wt_pi=""; // brand
var wt_st=""; // basket status (add|conf|view)
//// total order
var wt_ov=""; // total order value
var wt_cr=""; // currency
var wt_oi=""; // order id
//// campaigns
var wt_mc=""; // mediacode
var wt_lp=""; // link position
var wt_kw=""; // keyword
//// internal search
var wt_is="";
//// customer id
var wt_cd="";
//// cookie handling
var wt_cookie=""; // (3|1, 3 is default, 1st or 3rd party cookie)