jQuery.vstrack({cg1: 'WWW', cg2: cg2, cg3: cg3, cg4: cg4, pn: 'WWW' + '_' + cg2 + '_' + cg3 + '_' + cg4 + '_' + cg5});
document.oldwrite = document.write;
document.write = function() {
    // Only ignore the document.write if it is a tracker.gif
    if (arguments[0].indexOf('tracker.gif') == -1) {
        this.oldwrite(arguments[0]);
    }	
	//domwrite.apply(this, arguments); This does not work in some versions of IE.
}