function init()
{
	if (document.getElementById("metiers1") && !null)	{
	document.getElementById("metiers1").style.display = "block";
	document.getElementById("metiers2").style.display = "none";
	document.getElementById("metiers3").style.display = "none";
	document.getElementById("metiers4").style.display = "none";
	document.getElementById("metiers5").style.display = "none";

	}
}

function change(idDiv){
    for (i=1; i<=5;i++) {
		if (i==idDiv)
		document.getElementById("metiers"+i).style.display = "block";
		else
		document.getElementById("metiers"+i).style.display = "none";
	}
}

window.onload = function() {
    init();
}