function createXMLHttpRequest() 
{
   try { return new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) {}
   try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) {}
   try { return new XMLHttpRequest(); } catch(e) {}

   alert("XMLHttpRequest non supporté, veuillez mettre à jour votre navigateur.");
   return null;
}

var req = createXMLHttpRequest();

function ajoutechocolat(id,contenu,poids,qte)
{
	req = new XMLHttpRequest();
	appel="fonctions/ajax/cartouche_choco.php?id="+id+"&contenu_ballotin="+contenu+"&poids="+poids+"&qte="+qte;
	req.open("GET",appel,true);
	req.send(null);

	req.onreadystatechange = function()
	{
		if(req.readyState == 4)
		{
			document.getElementById('liste_chocolats_ballotin').innerHTML = req.responseText;
		}
	}

}

function supp_choco(id,contenu,poids)
{
	req = new XMLHttpRequest();
	appel="fonctions/ajax/supp_choco.php?id="+id+"&contenu_ballotin="+contenu+"&poids="+poids;
	req.open("GET",appel,true);
	req.send(null);

	req.onreadystatechange = function()
	{
		if(req.readyState == 4)
		{
			document.getElementById('liste_chocolats_ballotin').innerHTML = req.responseText;
		}
	}
}


function plus_choco(id,qte)
{
	document.getElementById(id).value=(qte)-(-1);	
}


function moins_choco(id,qte)
{
  if(document.getElementById(id).value > 1)
	 document.getElementById(id).value=(qte)-1;	
}