function preload()
{
image_1 = new Image();
image_1.src = "../images/simulation/photo-simulation.jpg";
image_2 = new Image();
image_2.src = "../images/simulation/picto-exoneration.gif";
}

function afficheCoordonnee()
{
	var affiche = document.getElementById('participeConcours');
	var coord = document.getElementById('coordonnee');
	
	if(affiche.checked !== null && affiche.checked===true)
		coord.style.display= '';
	else
		coord.style.display= 'none';
}