var dealersUSED = new Array();
dealersUSED["ALL"] = new Array();
dealersUSED["ALL"]["makes"] = new Array ();
dealersUSED["ALL"]["makes"]["ACURA"] = new Array ("MDX","TL");
dealersUSED["ALL"]["makes"]["BUICK"] = new Array ("LESABRE","LUCERNE","PARK AVENUE");
dealersUSED["ALL"]["makes"]["CADILLAC"] = new Array ("CTS","STS");
dealersUSED["ALL"]["makes"]["CHEVROLET"] = new Array ("","AVALANCHE","AVEO","BLAZER","COBALT","COLORADO","CORVETTE","EQUINOX","EXPRESS","HHR","IMPALA","MALIBU","SILVERADO","SUBURBAN","TAHOE","TRAILBLAZER","TRAVERSE","UPLANDER","VENTURE");
dealersUSED["ALL"]["makes"]["CHRYSLER"] = new Array ("300","PT CRUISER","SEBRING","TOWN & COUNTRY");
dealersUSED["ALL"]["makes"]["DODGE"] = new Array ("CARAVAN","CHARGER","DURANGO","NEON","RAM","STRATUS");
dealersUSED["ALL"]["makes"]["FORD"] = new Array ("EDGE","EXPLORER","F150","FOCUS","MUSTANG","RANGER","TAURUS","WINDSTAR");
dealersUSED["ALL"]["makes"]["GMC"] = new Array ("1500","2500","ACADIA","CANYON","ENVOY","YUKON");
dealersUSED["ALL"]["makes"]["HONDA"] = new Array ("ACCORD","CIVIC","CR-V");
dealersUSED["ALL"]["makes"]["HUMMER"] = new Array ("H3");
dealersUSED["ALL"]["makes"]["HYUNDAI"] = new Array ("","ACCENT","ELANTRA","SONATA");
dealersUSED["ALL"]["makes"]["INFINITI"] = new Array ("G35","J30","QX56");
dealersUSED["ALL"]["makes"]["ISUZU"] = new Array ("TROOPER");
dealersUSED["ALL"]["makes"]["JEEP"] = new Array ("GRAND CHEROKEE","WRANGLER");
dealersUSED["ALL"]["makes"]["KIA"] = new Array ("SEDONA");
dealersUSED["ALL"]["makes"]["LEXUS"] = new Array ("ES 350","LS 430","RX 330");
dealersUSED["ALL"]["makes"]["LINCOLN"] = new Array ("MKZ","TOWNCAR");
dealersUSED["ALL"]["makes"]["MAZDA"] = new Array ("3","CX-7");
dealersUSED["ALL"]["makes"]["MERCEDES-BENZ"] = new Array ("C230");
dealersUSED["ALL"]["makes"]["MERCURY"] = new Array ("GRAND MARQUIS","MARINER");
dealersUSED["ALL"]["makes"]["NISSAN"] = new Array ("350Z","4DR","ALTIMA","ARMADA","CREW CAB","CUBE","FRONTIER","HATCH BACK","MAXIMA","MURANO","PATHFINDER","ROGUE","SENTRA","SL","SUV","TITAN","VERSA","XTERRA");
dealersUSED["ALL"]["makes"]["NISSSN"] = new Array ("ROGUE");
dealersUSED["ALL"]["makes"]["PONTIAC"] = new Array ("AZTEK","G6","GRAND AM","GRAND PRIX","GTO","SUNFIRE","TORRENT","VIBE");
dealersUSED["ALL"]["makes"]["SATURN"] = new Array ("AURA","ION","LS1","OUTLOOK","SC1");
dealersUSED["ALL"]["makes"]["SUZUKI"] = new Array ("FORENZA");
dealersUSED["ALL"]["makes"]["TOYOTA"] = new Array ("4 RUNNER","AVALON","CAMRY","COROLLA","COROLLA MATRIX","FJ CRUISER","HIGHLANDER","LANDCRUISER","RAV4","SCION","SEQUOIA","TACOMA","TUNDRA");

    function setMakesUSED(formName,dealer) {
        formName.Make.length = 0;
        formName.Make.options[0] = new Option("All Makes", "ALL_MAKES", 1, 1);
	if(dealer) {
            for (make in dealersUSED[dealer]["makes"]) {
	        formName.Make.options[formName.Make.options.length] = new Option(make,make)
            }
	} else {
	    for(dealer in dealersUSED) {
	        for(make in dealersUSED[dealer]["makes"]) {
                    document.searchForm.Make.options[document.searchForm.Make.options.length] = new Option(make,make);
	        }
	    }
	}
    }

    function setModelsUSED(formName,make) {
        if(make=="ALL_MAKES") {
	    formName.BaseModel.length = 0;
            formName.BaseModel.options[0] = new Option("All Models", "ALL_MODELS", 1, 1)
            formName.BaseModel.disabled = true;
	    return;
	} else {
            formName.BaseModel.length = 0;
            formName.BaseModel.options[0] = new Option("All Models", "ALL_MODELS", 1, 1)
	    formName.BaseModel.disabled = false;
	}
	for(DealerID in dealersUSED) {
	    if(dealersUSED[DealerID]["makes"][make]) {
	        for (i=0; i< dealersUSED[DealerID]["makes"][make].length; i++) {
                    formName.BaseModel.options[formName.BaseModel.options.length] = new Option(dealersUSED[DealerID]["makes"][make][i],dealersUSED[DealerID]["makes"][make][i])
	        }
	    }
        } 
    }

    function selectLastSearchUSED(formName, myDealer, myMake, myModel) {
        setMakes(formName, myDealer);
	var i=0;
	for(dealer in dealers) {
	    for(make in dealers[dealer]["makes"]) {
	        if(make==myMake) {
	            formName.Make.selectedIndex = i+1;
		    myDealer = dealer;
		    break;
	        }
		i++;
	    }
	}
	
	setModelsUSED(formName, myMake);
	if(myMake!="ALL_MAKES") {
	    for(var i=0;i<dealers[myDealer]["makes"][myMake].length;i++) {
	        if(dealers[myDealer]["makes"][myMake][i]==myModel) {
	            formName.BaseModel.selectedIndex = i+1;
		    return;
	        }
	    }
	}
    }

    
 setMakesUSED(document.searchFormUsed,'ALL');