function viderChamp (champ, defaut)
{
	if (champ.value == defaut)
	{
		champ.value="";
	}
}

function remplirChamp (champ, defaut)
{
	if (champ.value == "")
	{
		champ.value=defaut;
		champ.type='text';
	}
}

function verifieMini(champ, qte)
{
	if (champ.value < qte)
	{
		alert('Vous devez commander au minimum '+qte+' articles');
		return false;
	}
}

function autre(dest)
{
	if (document.getElementById(dest).value != 'autre')
	{
		document.getElementById('autre'+dest).value = '';
	}
}

function selectAutre(dest)
{
	document.getElementById(dest).value = 'autre';
}

function afficheGrpmnt ()
{
	document.getElementById('pgrpmnt').style.visibility = '';
	document.getElementById('pgrpmnt').style.display = '';
}

function cacheGrpmnt ()
{
	document.getElementById('pgrpmnt').style.visibility = 'hidden';
	document.getElementById('pgrpmnt').style.display = 'none';
}