function survol(image)
	{
		document.getElementById(image).src = "imageshome/" + image + "_2.gif";		
	}
	
function desurvol(image)
	{
		document.getElementById(image).src = "imageshome/" + image + "_1.gif";
	}
	
function affiche_bloc(image)
	{

		document.getElementById('bloc_'+image).style.visibility = 'visible';
	}
	
function cache_bloc(bloc)
	{	
		document.getElementById('bloc_' + bloc).style.visibility = 'hidden';
	}
function affiche_barre(image)
	{
		document.getElementById('barre_'+image).style.visibility = 'visible';
	}
	
function cache_barre(bloc)
	{	
		document.getElementById('barre_' + bloc).style.visibility = 'hidden';
	}
	
function bouton_blanc(bouton)
{
	document.getElementById(bouton).style.background='#FFFFFF';
	document.getElementById(bouton).style.color='#004678';
}

function bouton_bleu(bouton)
{
	document.getElementById(bouton).style.background='#004678';
	document.getElementById(bouton).style.color='#FFFFFF';
}
	
function vider_champ(formulaire)
{
	if(formulaire==1 && document.inscription.email.value == "Votre email...")
		{
			document.inscription.email.value = "";
		}
	if(formulaire==2 && document.desinscription.email.value == "Votre email...")
		{
			document.desinscription.email.value = "";
		}
}