function rollover(lieu1,source1) {
	lieu1.src = source1;
	}

function rollout(lieu2,source2) {
	lieu2.src = source2;
	}

init = 1;
function clique(a, nom1, nom2){
	// a est le numero d onglet
	document.getElementById("Content1").style.display = 'none';
	document.getElementById("Content2").style.display = 'none';
	document.getElementById("Content3").style.display = 'none';
	document.getElementById("Content4").style.display = 'none';
	document.getElementById('Content' + a).style.visibility = 'visible';
	document.getElementById('Content' + a).style.display = 'block';
		switch(a)
		{
			case 1:
				if(init == 1){
					//alert("on fait rien car init = " + init);
					//do nothing
				} else {
					init = 1;
					document.getElementById('petiteNav2').className = 'petiteNav1';
					document.getElementById('bton1').src = 'images/main/bton_' + nom1 +'1.gif';
					document.getElementById('bton2').src = 'images/main/bton_' + nom2 +'2.gif';
						document.getElementById("Content2").style.visibility = 'hidden';
						document.getElementById("Content2").style.display = 'none';
						document.getElementById("Content1").style.visibility = 'visible';
						document.getElementById("Content1").style.display = 'block';
				}
				break;
			case 2:
				if(init == 2){
					//alert("on fait rien car init = " + init);
					//do nothing
				} else {
					init = 2;
					document.getElementById('petiteNav2').className = 'petiteNav2';
					document.getElementById('bton1').src = 'images/main/bton_' + nom1 +'2.gif';
					document.getElementById('bton2').src = 'images/main/bton_' + nom2 +'1.gif';
						document.getElementById("Content1").style.visibility = 'hidden';
						document.getElementById("Content1").style.display = 'none';
						document.getElementById("Content2").style.visibility = 'visible';
						document.getElementById("Content2").style.display = 'block';
				}
				break;
		}
//	}
}

function affiche(a, b){
	// a est le numero d onglet
	// b le nombre total d'onglets
	for(k=1;k<=b;k++){
		document.getElementById("Content" + k).style.display = 'none';
		document.getElementById("Content" + k).style.visibility = 'hidden';
	}
	document.getElementById('Content' + a).style.visibility = 'visible';
	document.getElementById('Content' + a).style.display = 'block';
}


function swapClass(idForm,newClass)
	{
		var oldClass = "normal";
		var voForm = window.document.forms['formContact'];
		var totalElements = 5;
		
			voForm.elements['nom'].className = oldClass;
			voForm.elements['prenom'].className = oldClass;
			voForm.elements['email'].className = oldClass;
			voForm.elements['titre'].className = oldClass;
			voForm.elements['texte'].className = oldClass;
			
		voForm.elements[idForm].className = newClass;
	}