function changer_ordre(champ_tri, num_form)
{
	 if(!num_form) num_form = 0;
	
	document.forms[num_form].page_ec.value=1;	
	document.forms[num_form].champ_tri.value=champ_tri;
	document.forms[num_form].operation.value="changer_tri";
	document.forms[num_form].submit();
}

function changer_filtre(num_form)
{
	if(!num_form) num_form = 0;
	
	document.forms[num_form].operation.value="changer_page";
	document.forms[num_form].page_ec.value=1;	
	document.forms[num_form].submit();
}

function aller_page(num_page, num_form)
{
	if(!num_form) num_form = 0;
	
	document.forms[num_form].operation.value="changer_page";
	document.forms[num_form].page_ec.value=num_page;	
	document.forms[num_form].submit();
}

function supprimer(num_form)
{
	if(!num_form) num_form = 0;
	
	if( confirm("Voulez vous supprimer ce(s) produit(s) ?") )
	{
		document.forms[num_form].operation.value="supprimer_produits";
		document.forms[num_form].submit();
	}
}