function inscForma() {
	alert("gdgfd")
}
function activInput() {
if (document.form_contact.connaissance.value == "Autre")  {
document.getElementById("hidden_field2").style.display = "none";
document.getElementById("hidden_field3").style.display = "none";
document.getElementById("hidden_field4").style.display = "none";
document.getElementById("hidden_field1").style.display = "block";
}
else if (document.form_contact.connaissance.value == "Internet")  {
document.getElementById("hidden_field1").style.display = "none";
document.getElementById("hidden_field3").style.display = "none";
document.getElementById("hidden_field4").style.display = "none";
document.getElementById("hidden_field2").style.display = "block";
}
else if (document.form_contact.connaissance.value == "Article de presse") {
document.getElementById("hidden_field1").style.display = "none";
document.getElementById("hidden_field2").style.display = "none";
document.getElementById("hidden_field4").style.display = "none";
document.getElementById("hidden_field3").style.display = "block";
}
else if (document.form_contact.connaissance.value == "Salons")  {
document.getElementById("hidden_field1").style.display = "none";
document.getElementById("hidden_field2").style.display = "none";
document.getElementById("hidden_field3").style.display = "none";
document.getElementById("hidden_field4").style.display = "block";
}
else {
document.getElementById("hidden_field1").style.display = "none";
document.getElementById("hidden_field2").style.display = "none";
document.getElementById("hidden_field3").style.display = "none";
document.getElementById("hidden_field4").style.display = "none";
}
}
function activForma() {
if (document.form_contact.objet.value == "Formations") {
document.getElementById("hidden_field5").style.display = "block";
document.getElementById("hidden_field6").style.display = "none";
}
else {
document.getElementById("hidden_field5").style.display = "none";
document.getElementById("hidden_field6").style.display = "block";
}
}
<!-- Active onglet menu --!>

function multiClass(eltId) {
	arrLinkId = new Array('tab1','tab2','tab3');
	intNbLinkElt = new Number(arrLinkId.length);
	arrClassLink = new Array('current','ghost');
	strContent = new String()
	for (i=0; i<intNbLinkElt; i++) {
		strContent = "menu-"+arrLinkId[i];		
		if ( arrLinkId[i] == eltId ) {
			document.getElementById(arrLinkId[i]).className = arrClassLink[0];
			document.getElementById(strContent).className = 'on';
		} else {
			document.getElementById(arrLinkId[i]).className = arrClassLink[1];
			document.getElementById(strContent).className = 'off';
		}
	}	
}
<!-- DATE + HEURE -->
function HeureCheck(object)
{
krucial = new Date;
heure = krucial.getHours();
min = krucial.getMinutes();
sec = krucial.getSeconds();
jour = krucial.getDate();
mois = krucial.getMonth()+1;
annee = krucial.getFullYear();

if (sec < 10)
{
sec0 = "0";
}
else
{
sec0 = "";
}

if (min < 10)
{
min0 = "0";
}
else
{
min0 = "";
}

if (heure < 10)
{
heure0 = "0";
}
else
{
heure0 = "";
}

if (jour < 10)
{
jour0 = "0";
}
else
{
jour0 = "";
}

if (annee < 10)
{
annee0 = "0";
}
else
{
annee0 = "";
}

if (mois == 1){
	mois=".01.";
	}
else if (mois == 2){
	mois=".02.";
	}
else if (mois == 3){
	mois=".03.";
	}
else if (mois == 4){
	mois=".04.";
	}
else if (mois == 5){
	mois=".05.";
	}
else if (mois == 6){
	mois=".06.";
	}
else if (mois == 7){
	mois=".07.";
	}
else if (mois == 8){
	mois=".08.";
	}
else if (mois == 9){
	mois=".09.";
	}
else if (mois == 10){
	mois=".10.";
	}
else if (mois == 11){
	mois=".11.";
	}
else if (mois == 12){
	mois=".12.";
	}
DinaDate = "" + jour0 + jour + mois + annee0 + annee;
DinaHeure = heure0 + heure + ":" + min0 + min ;
//document.time.timebox.value = total;
if (object == "date"){
document.write(DinaDate);
} else if (object == "heure"){
document.write(DinaHeure);
}
}