I would first use Clorox POWER stain remover which is a gel . This product takes out even stains set by the dryer.
let set for 5 minutes then wash in cold water with my favorite detergent. <object type="cosymantecnisbfw" cotype="cs" id="SILOBFWOBJECTID" style="width: 0px; height: 0px; display: block;"></object>