$(document).ready(function(){
$("#7_rush").bind("change", function(e){
	var rush =$("#7_rush").val();
	if (rush=="rush_service"){
		$("#code").html('<input type="hidden" name="Product_Code" value="KP-1112R" />');
	}
	else{
		$("#code").html('<input type="hidden" name="Product_Code" value="KP-1112" />');
	}
	});
});