$(document).ready(function() {
    $("div#edit-qty-wrapper, div#edit-qty-1-wrapper, div#edit-qty-2-wrapper").addClass("qty");
    
	$(function() {	
	    $("form div.qty").append('<div class="inc button"></div><div class="dec button"></div>');
			
        $('div.inc').click(function() {
        	var $button = $(this);
        	
	        var oldValue = $button.parent().find("input.form-text").val();
	        
 	  		var newVal = parseInt(oldValue) + 1;  
	    	
	    	$button.parent().find("input.form-text").val(newVal);
    	});
    	$('div.dec').click(function() {
	        var $button = $(this);
	        
	        var oldValue = $button.parent().find("input.form-text").val();
	        
    		if (oldValue >= 1) {
    	    	var newVal = parseInt(oldValue) - 1;
    	  	} 	    	
	    	$button.parent().find("input.form-text").val(newVal);
    	});	
	});
});