var date = new Date();
var nc = date.getTime();
var tz = date.getTimezoneOffset()/60;
var res = screen.width + "x" + screen.height;
var sb = screen.colorDepth;
var track = new Image(); 
track.src = 'http://www.travelplanutazas.hu/cgi-bin/track.cgi?sid=travelplan&nc=' + nc + '&tz=' + tz + '&res=' + res + '&sb=' + sb;