function changeliste(select_famille, first_l1, first_l2)
{
	select_gamme=document.getElementById('gamme');
	if (select_famille.options[select_famille.selectedIndex].text == first_l1)
	{
		select_gamme.options.length=1;
		select_gamme.options[0].text=first_l2;
		select_gamme.options[0].value="";
		return;
	}
	myarray = select_famille.options[select_famille.selectedIndex].value.split("%FIN");
	select_gamme.options.length=myarray.length;
	select_gamme.options[0].text=first_l2;
	select_gamme.options[0].value="";
	select_gamme.options[0].selected="selected";
	for (var i=0;i < myarray.length-1; i++)
	{
		arrayGamme=myarray[i].split("%NAME");
		select_gamme.options[i+1].text=arrayGamme[1];
		select_gamme.options[i+1].value=arrayGamme[0];
	}
}