im not familiar with the ajaxform plugin, but it looks to me like you dont even need as you have constructed your own ajax submittal. I would advise removing .ajaxForm(myFormOptions)
then do this with your success function
Code:
success: function(msg){
$("#quick_contact_form [name='" + msg.inputName +"']").removeClass('error');
$("#quick_contact_form [name='" + msg.inputName +"']").removeClass('success');
$("#quick_contact_form [name='" + msg.inputName +"']").addClass(msg.status);
$("#quick_contact_form [name='" + msg.inputName +"']").val(msg.message);
$('#quick_contact_form img.loaderIcon').fadeOut(1000);
redError = msg.message;
//reset form
$('#quick_contact_form').reset()
//alert
alert('Thanks for your submittal!')
}