<!--
	/*******************************************************************************
				GESTION DES QUANTITE
	
	*******************************************************************************/


	function addQte(id,coeff_qte) {
		var form = document.forms["liste_produits"].elements;
	
		var qte = form["qte[" + id + "]"].value * 1;
		qte = qte + coeff_qte;
		form["qte[" + id + "]"].value = qte;
		// on check la case
		if (form["check_" + id ]) {
			form["check_" + id ].checked=true;
		}
	} // fin de addQte
	
	function removeQte(id,coeff_qte) {
		var form = document.forms["liste_produits"].elements;
		
		var qte = form["qte[" + id + "]"].value  * 1; 
		qte = qte - coeff_qte;
		if (qte <= 0 ) {
			qte=coeff_qte;
			// on decheck la case
			if (form["check_" + id ]) {
				form["check_" + id ].checked=false;
			}
		}
		form["qte[" + id + "]"].value = qte;
	} // fin de removeQte

	function verifQte(id,coeff_qte) {
		var form = document.forms["liste_produits"].elements;
	
		var qte = form["qte[" + id + "]"].value;
		//alert(isNaN(qte));
		if (isNaN(qte) || qte%coeff_qte!=0) { qte=coeff_qte; }
		if (qte==0) {
			qte=1;
			if (form["check_" + id ]) {
				form["check_" + id ].checked=false;
			}
		} else {
			if (form["check_" + id ]) {
				form["check_" + id ].checked=true;
			}
		}
		form["qte[" + id + "]"].value = qte;
		
	} // fin de verifQte

//-->