var $a = jQuery.noConflict(); 	
$a(document).ready(function(){
	jQuery(".jsQuantity").append('<span id="add1" class="plus">&nbsp;</span>').prepend('<span id="minus1" class="minus">&nbsp;</span>');
	
	jQuery(".plus").click(function(){
		var currentVal = parseInt(jQuery(this).prev(".qty").val());
		if (!currentVal || currentVal=="" || currentVal == "NaN") currentVal = 0;
	
		jQuery(this).prev(".qty").val(currentVal + 1);
	});
	
	jQuery(".minus").click(function(){
		var currentVal = parseInt(jQuery(this).next(".qty").val());
		if (currentVal == "NaN") currentVal = 0;
		if (currentVal > 0)
		{
			jQuery(this).next(".qty").val(currentVal - 1);
		}
	});
});