/*
	script-qty.js
    Source: http://jigowatt.co.uk/blog/magento-quantity-increments-jquery-edition/
*/

jQuery(function($){
    $(".quant").append('<input type="button" value="+" id="add1" class="plus" />').prepend('<input type="button" value="-" id="minus1" class="minus" />');
    $(".plus").click(function(){
        var currentVal = parseInt(jQuery(this).prev(".skuquantity").val());
        if (!currentVal || currentVal=="" || currentVal == "NaN") currentVal = 0;
        $(this).prev(".skuquantity").val(currentVal + 1); 
    });

    $(".minus").click(function(){
        var currentVal = parseInt(jQuery(this).next(".skuquantity").val());
        if (currentVal == "NaN") currentVal = 0;
        if (currentVal > 0) {
            $(this).next(".skuquantity").val(currentVal - 1);
        }
    });
});