Help please, combining AND filters with OR filters

Question

I have this application I am working on: http://webbymgc.com/tomato/
It's working fairly well EXCEPT, and this is a big except: selectors WITHIN each fieldset should be "or" but BETWEEN fieldsets as "and"
In other words, clicking "red" and "yellow" in "color" should get you both kinds of tomatoes.  This is how I set it up.
Now, if you check "class" = "heirloom" is adds all the ones that match that term, so you get more tomatoes.  I would like "heirloom" to be an "AND" so the user would get yellow or red heirloom tomatoes.
Make sense? 

Answer 1

mr kglad i really hope my ( too many replies and questions ) don't bother you.. but please excuse me if they sound foolish or something im a beginner as mentioned...
There must be something wrong with whatever im doing ... ( im so desperate and since you are the only one who replied on me i really need your help please.. )
1- i published the first fla as a swf (10.3 ) with a button with the code you've given me )
2- i published the second fla as a swf (10.3) with another button with the same code you've given me )
3- i made a main page where there are two buttons.. one for english and one for foreign language
  English button with this code :
Engbutton.addEventListener(MouseEvent.CLICK, fl_ClickToLoadUnloadSWF_4);
import fl.display.ProLoader;
var fl_ProLoader_4:ProLoader;
//This variable keeps track of whether you want to load or unload the SWF
var fl_ToLoad_4:Boolean = true;
function fl_ClickToLoadUnloadSWF_4(event:MouseEvent):void
    if(fl_ToLoad_4)
        fl_ProLoader_4 = new ProLoader();
        fl_ProLoader_4.load(new URLRequest("englishformFIN.swf"));
        addChild(fl_ProLoader_4);
    else
        fl_ProLoader_4.unload();
        removeChild(fl_ProLoader_4);
        fl_ProLoader_4 = null;
    // Toggle whether you want to load or unload the SWF
    fl_ToLoad_4 = !fl_ToLoad_4;
and the other button with the same code ( the second fla )
IT DOESNT WORK WHEN I TEST THE MOVIE.. the return buttons nor the main ones..why why why why why... ???
i really need your help
THANK YOU in advance