function ChangeUrl(formulaire)
{
	if (formulaire.selectedIndex != 0)
	{
		var form = document.form_lignes_produits;
		form.action = formulaire.options[formulaire.selectedIndex].value;
		form.submit();
	}
}

function openSurvey(param) {
	var verticalVal = (screen.height*2/3);
	var verticCenter = (screen.height/6);
	var horizontalVal = (screen.width/2)-350;
	window.open(param, '' , 'left='+ horizontalVal +',top='+ verticCenter +',width=700px,height=450px,resizable=yes,scrollbars=yes,status=no');
}