[ruslan_mart]

#save {
    background-color: blue;
}
#save:disabled {
    background-color: red;
}

var select = $('select');
var save = $('#save');

select.change(function() {
   for(var i = 0; i < select.length; i++) {
       if(select[i].value === 'F200') {
           return save.prop('disabled', true);
       }
   }
   save.prop('disabled', false);
});