function test(id,id2)
{
alert (id)	
}

function change()
{
	var myArray = new Array("annee_2004","annee_2005","annee_2006","annee_2007","annee_2008","annee_2009","annee_2010");
	for (var i = 0; i < myArray.length; i++) {
		var contenu = document.getElementById(myArray[i]);
		if (contenu){
			contenu.style.display = 'none';
		}
	}
	var annee = document.data.annee.value;
	var anneeOK = 'annee_'+annee;
	var element = document.getElementById(anneeOK);
	element.style.display = 'block';
}