https://www.editions-ulb.be/gcshared/GCresponsiveV1/js/customogone.js?d=D188149C-C527-3B02-5838187CCA23660D

1function createHiddenInput(form, name, value) {
2		var input = document.createElement("input");
3		input.setAttribute("type", "hidden");
4		input.setAttribute("name", name);
5		input.setAttribute("value", value);
6		form.appendChild(input);
7
8	}
9	
10	
11	var myCCForms = document.getElementsByName("theForm");
12	if (myCCForms != null && myCCForms.length > 0) {
13		var myCCForm = myCCForms[0];
14		createHiddenInput(myCCForm, "browserUserAgent", navigator.userAgent);
15		createHiddenInput(myCCForm, "browserColorDepth", screen.colorDepth);
16		createHiddenInput(myCCForm, "browserJavaEnabled", navigator.javaEnabled());
17		createHiddenInput(myCCForm, "browserLanguage", navigator.language);
18		createHiddenInput(myCCForm, "browserScreenHeight", screen.height);
19		createHiddenInput(myCCForm, "browserScreenWidth", screen.width);
20		createHiddenInput(myCCForm, "browserTimeZone", new Date().getTimezoneOffset());
21	}