window.addEvent('domready',function() {
    $$('form span.qtyInputsA').each(function(div) {
        var input = div.getFirst('input');

        var upButton = new Element('div',{
            text: '+',
            'class': 'button',
            events: {
                click: function() {
                    input.value = input.value.toInt() + 1;
                }
            }
        }).inject(div);
        var downButton = new Element('div',{
            text: '-',
            'class': 'button dec',
            events: {
                click:function() {
                    var val = input.value.toInt();
                    if(val != 0) {
                        input.value = val - 1;
                    }
                }
            }
        }).inject(div);
    });
    
});