//var MIN_ELEMS = 1;
var MAX_ELEMS = 120;
var DISPLAYABLE_LAYER = 0;

function initInputValues () {
	var ALL_MINUSBTNS = getElementsByClass("qtyControlMinus",null,"a");
	var ALL_PLUSBTNS = getElementsByClass("qtyControlPlus",null,"a");
	i=0;
	while(i<ALL_MINUSBTNS.length) {
		ALL_MINUSBTNS[i].onclick = function() {
			// here I have to search my value to decrement
			var elem = this.parentNode.getElementsByTagName("input")[0];
			var lotde = this.parentNode.getElementsByTagName("input")[1];
			var elemVal = parseInt(elem.value);
			var lotdeVal = parseInt(lotde.value);
			if (elemVal > lotdeVal) elem.value = elemVal - lotdeVal;
			return false;
		}
		i++;
	}
	ii=0;
	while(ii<ALL_PLUSBTNS.length) {
		ALL_PLUSBTNS[ii].onclick = function() {
			// here I have to search my value to increment
			var elem = this.parentNode.getElementsByTagName("input")[0];
			var lotde = this.parentNode.getElementsByTagName("input")[1];
			var lotdeVal = parseInt(lotde.value);
			if (elem.value <= (MAX_ELEMS - lotdeVal)) elem.value = parseInt(elem.value)+ lotdeVal;
			return false;
		};
		ii++;
	}
}

//initialisation au chargement de la page
addLoadListener(initInputValues);