function ValidateWileyXBoxes(chkBox){
   
   switch( chkBox.name ){
    
    case "BlueMirrorCoating":
            if (document.CartItem.SilverMirrorCoating.checked){
                alert("NOTE: The Silver Mirror Coating is already selected for your \nWiley-X-Eyewear you may only select one color lens coating.");
                return false;
            }break;
       
    case "SilverMirrorCoating":
            if (document.CartItem.BlueMirrorCoating.checked) {
                alert("NOTE: The Blue Mirror Coating is already selected for your \nWiley-X-Eyewear you may only select one color lens coating.");
                return false;
            }break;
   }
   
   return true;
}