/*
// works for one
$(function()
{
   
        $("#add").click(function(){
		  var newQty = +($("#qty1").val()) + 1;
		  $("#qty1").val(newQty);
		});
		
		$("#minus").click(function(){
		  var newQty = +($("#qty1").val()) - 1;
		  if(newQty < 0)newQty = 0;
		  $("#qty1").val(newQty);
		});
   
});


$(function()
{
    var numButtons = 2;
    for (var i = 1; i <= numButtons; ++i)
    {
        $("#add" + i).click(function()
        {
            var currentVal = parseInt($("#qty" + i).val());
            if (currentVal != NaN)
            {
                $("#qty" + i).val(currentVal + 1);
            }
        });

        $("#minus" + i).click(function()
        {
            var currentVal = parseInt($("qty" + i).val());
            if (currentVal != NaN && currentVal > 0)
            {
                $("#qty" + i).val(currentVal - 1);
            }
        });
    }
});


$(function increase(button)
{
 var id = $(button).attr('id');
 var fname = id.substr(3);

 var newval = parseInt($("#"+fname).val()) + 1;
 $("#" + fname).val(newval);
})};


function decrease(button)
{
 var id = $(button).attr('id');
 var fname = id.substr(5);

 var newval = parseInt($("#"+fname).val()) - 1;
 $("#" + fname).val(newval);
}


$(function()
{
	$('#add').click(function (e) {
		var quant = $(this).next('input');
		quant.val(parseInt(quant.val(), 10) + 1);
	};
	$('#minus').click(function (e) {
		var quant = $(this).prev('input');
		quant.val(parseInt(quant.val(), 10) - 1);
		if (parseInt(quant.val(), 10) < 0)
		{ quant.val(0); }
	};
});	

 <input type="button" value="+" id="add1">
<input type="text" id="qty1" >
<input type="button" value="-" id="minus1">

<input type="button" value="+" id="add2">
<input type="text" id="qty2" >
<input type="button" value="-" id="minus2">
	
	*/
$(function loopme()
{
    var numButtons = 2;
    for (var i = 1; i <= numButtons; ++i)
    {
        $("#add" + i).click(function()
        {
            var currentVal = parseInt($("#qty" + i).val());
            if (currentVal != NaN)
            {
                $("#qty" + i).val(currentVal + 1);
            }
        });

        $("#minus" + i).click(function()
        {
            var currentVal = parseInt($("qty" + i).val());
            if (currentVal != NaN && currentVal > 0)
            {
                $("#qty" + i).val(currentVal - 1);
            }
        });
    }
});

$(document).ready(loopme);