function change_fleche_up(id)
{
	$('lien_'+id).style.backgroundImage='url(vue/assets/image/web2.0/fleche_up.gif)';
}

function change_fleche_down(id)
{
	$('lien_'+id).style.backgroundImage='url(vue/assets/image/web2.0/fleche_down.gif)';
}

function resize()
{
    
}