// This call is nec on Macs (Netscape & Safari) to whittle down the destination list after the Back button is hit
// (not nec on PCs with IE or Mozilla on Linux). I.e., on Mac browsers the (html SELECT element) destination list's
// initial state was shown on Back up rather than its final state.  8/04

var ABL_list=new Array( 
	 new Option('Kobuk (OBU)','OBU')  , 
	 new Option('Kotzebue (OTZ)','OTZ')  , 
	 new Option('Shungnak (SHG)','SHG') 
) ; 
var KTS_list=new Array( 
	 new Option('Nome (OME)','OME')  , 
	 new Option('Shishmaref (SHH)','SHH')  , 
	 new Option('Wales (WAA)','WAA') 
) ; 
var BKC_list=new Array( 
	 new Option('Deering (DRG)','DRG')  , 
	 new Option('Kotzebue (OTZ)','OTZ') 
) ; 
var LUR_list=new Array( 
	 new Option('Kotzebue (OTZ)','OTZ')  , 
	 new Option('Point Hope (PHO)','PHO') 
) ; 
var DRG_list=new Array( 
	 new Option('Buckland (BKC)','BKC')  , 
	 new Option('Kotzebue (OTZ)','OTZ') 
) ; 
var DIO_list=new Array( 
) ; 
var ELI_list=new Array( 
	 new Option('Golovin (GLV)','GLV')  , 
	 new Option('Koyuk (KKA)','KKA')  , 
	 new Option('Shaktoolik (SKK)','SKK')  , 
	 new Option('White Mountain (WMO)','WMO') 
) ; 
var GAM_list=new Array( 
	 new Option('Savoonga (SVA)','SVA') 
) ; 
var GLV_list=new Array( 
	 new Option('Elim (ELI)','ELI')  , 
	 new Option('Koyuk (KKA)','KKA')  , 
	 new Option('Shaktoolik (SKK)','SKK')  , 
	 new Option('White Mountain (WMO)','WMO') 
) ; 
var IAN_list=new Array( 
	 new Option('Kotzebue (OTZ)','OTZ')  , 
	 new Option('Noorvik (ORV)','ORV') 
) ; 
var KVL_list=new Array( 
	 new Option('Kotzebue (OTZ)','OTZ')  , 
	 new Option('Point Hope (PHO)','PHO') 
) ; 
var OBU_list=new Array( 
	 new Option('Ambler (ABL)','ABL')  , 
	 new Option('Kotzebue (OTZ)','OTZ')  , 
	 new Option('Shungnak (SHG)','SHG') 
) ; 
var OTZ_list=new Array( 
	 new Option('Ambler (ABL)','ABL')  , 
	 new Option('Buckland (BKC)','BKC')  , 
	 new Option('Cape Lisburne (LUR)','LUR')  , 
	 new Option('Deering (DRG)','DRG')  , 
	 new Option('Kiana (IAN)','IAN')  , 
	 new Option('Kivalina (KVL)','KVL')  , 
	 new Option('Kobuk (OBU)','OBU')  , 
	 new Option('Noatak (WTK)','WTK')  , 
	 new Option('Nome (OME)','OME')  , 
	 new Option('Noorvik (ORV)','ORV')  , 
	 new Option('Point Hope (PHO)','PHO')  , 
	 new Option('Selawik (WLK)','WLK')  , 
	 new Option('Shungnak (SHG)','SHG') 
) ; 
var KKA_list=new Array( 
	 new Option('Nome (OME)','OME')  , 
	 new Option('Shaktoolik (SKK)','SKK')  , 
	 new Option('Unalakleet (UNK)','UNK') 
) ; 
var WTK_list=new Array( 
	 new Option('Kivalina (KVL)','KVL')  , 
	 new Option('Kotzebue (OTZ)','OTZ') 
) ; 
var OME_list=new Array( 
	 new Option('Elim (ELI)','ELI')  , 
	 new Option('Golovin (GLV)','GLV')  , 
	 new Option('Kotzebue (OTZ)','OTZ')  , 
	 new Option('Koyuk (KKA)','KKA')  , 
	 new Option('Shaktoolik (SKK)','SKK')  , 
	 new Option('Shishmaref (SHH)','SHH')  , 
	 new Option('White Mountain (WMO)','WMO') 
) ; 
var ORV_list=new Array( 
	 new Option('Kiana (IAN)','IAN')  , 
	 new Option('Kotzebue (OTZ)','OTZ') 
) ; 
var PHO_list=new Array( 
	 new Option('Cape Lisburne (LUR)','LUR')  , 
	 new Option('Kotzebue (OTZ)','OTZ') 
) ; 
var KPC_list=new Array( 
) ; 
var SMK_list=new Array( 
	 new Option('Stebbins (WBB)','WBB')  , 
	 new Option('Unalakleet (UNK)','UNK') 
) ; 
var SVA_list=new Array( 
	 new Option('Gambell (GAM)','GAM')  , 
	 new Option('Nome (OME)','OME') 
) ; 
var WLK_list=new Array( 
	 new Option('Kotzebue (OTZ)','OTZ') 
) ; 
var SKK_list=new Array( 
	 new Option('Koyuk (KKA)','KKA')  , 
	 new Option('Nome (OME)','OME')  , 
	 new Option('Unalakleet (UNK)','UNK') 
) ; 
var SHH_list=new Array( 
	 new Option('Nome (OME)','OME') 
) ; 
var SHG_list=new Array( 
	 new Option('Ambler (ABL)','ABL')  , 
	 new Option('Kobuk (OBU)','OBU')  , 
	 new Option('Kotzebue (OTZ)','OTZ') 
) ; 
var WBB_list=new Array( 
	 new Option('Saint Michael (SMK)','SMK')  , 
	 new Option('Unalakleet (UNK)','UNK') 
) ; 
var TLA_list=new Array( 
	 new Option('Brevig Mission (KTS)','KTS')  , 
	 new Option('Nome (OME)','OME')  , 
	 new Option('Shishmaref (SHH)','SHH')  , 
	 new Option('Wales (WAA)','WAA') 
) ; 
var TNC_list=new Array( 
	 new Option('Wales (WAA)','WAA') 
) ; 
var UNK_list=new Array( 
	 new Option('Koyuk (KKA)','KKA')  , 
	 new Option('Nome (OME)','OME')  , 
	 new Option('Saint Michael (SMK)','SMK')  , 
	 new Option('Shaktoolik (SKK)','SKK')  , 
	 new Option('Stebbins (WBB)','WBB') 
) ; 
var WAA_list=new Array( 
	 new Option('Nome (OME)','OME')  , 
	 new Option('Shishmaref (SHH)','SHH')  , 
	 new Option('Tin City (TNC)','TNC') 
) ; 
var WMO_list=new Array( 
	 new Option('Elim (ELI)','ELI')  , 
	 new Option('Golovin (GLV)','GLV')  , 
	 new Option('Koyuk (KKA)','KKA')  , 
	 new Option('Shaktoolik (SKK)','SKK') 
) ; 


function setDestinationList()
{	// Called when user chooses/changes start_code locale. gbh 2/25/04

    if (!document.flight_search.start_code) return;

    depCode = document.flight_search.start_code.value;
    // Grab the currently selected value of the start_code list.

    if(""==depCode) return;

    destList = document.flight_search.dest_code.options;
    // From this point, what is done to destList is done to the dest_code options.

    destList.length = 0;    // Truncate away the old values.

    // Display the destination list corresponding to the currently selected start_code locale.
    for (i=0; i < eval(depCode+'_list.length'); i++)
    {
       destList[i] = eval(depCode+'_list[i]');
    }

} // endfunction setDestinationList.

function flight_search_validate()
{
    obj = document.flight_search;
    if(''==obj.start_code.value)
    {
            alert('Please select location of departure.');
            obj.start_code.focus();
            return false;
    }
    if(''==obj.dest_code.value)
    {
            alert('Please select a destination.');
            obj.dest_code.focus();
            return false;
    }

    var startdate = new Date(obj.startyear.value, obj.startmonth.value-1, obj.startday.value);

    var now = new Date(); // Var 'now' includes the time of day, which we get rid of ...
    var today = new Date(now.getFullYear(), now.getMonth(), now.getDate()); // ... here.

    if (startdate < today) {

            alert('Error: date of departure is in the past.');
            obj.startday.focus();
            return false;
    }

    return true;
} //flight_search_validate