var maxLength = 10;
Menu2Options= new Array;
var Menu2OriginalLength = Menu2Options.length;


Menu1Options= new Array;

Menu1Options[0] = "East Dunbartonshire";
Menu1Options[1] = "Glasgow East";
Menu1Options[2] = "Glasgow North";
Menu1Options[3] = "Glasgow South";
Menu1Options[4] = "Glasgow West";
Menu1Options[5] = "North Lanarkshire";
Menu1Options[6] = "South Lanarkshire";
Menu1Options[7] = "Renfrewshire";
Menu1Options[8] = "West Lothian";


function changeListOfPages()
/*This function changes the list of pages-to-go in Menu2, depending on the subject selected in Menu1*/
{
Menu2Options.length = 0;
Menu1SelectedItem = document.DoubleDropDownMenu.Menu1.selectedIndex;
if (Menu1SelectedItem == null) return;

if (Menu1SelectedItem == 0)
/*East Dunbartonshire*/
{
Menu2Options= new Array;
Menu2Options[0] = new Option("East Dunbartonshire Main");
Menu2Options[1] = new Option("Bearsden");
Menu2Options[2] = new Option("Bishopbriggs");
Menu2Options[3] = new Option("Kirkintilloch");
Menu2Options[4] = new Option("Lennoxtown");
Menu2Options[5] = new Option("Lenzie");
Menu2Options[6] = new Option("Milngavie");
Menu2Options[7] = new Option("Milton Of Campsie");
Menu2Options[8] = new Option("Torrance");
Pages = new Array;
Pages[0] = "/pages/mains/east_dunbartonshire_main.html";
Pages[1] = "/pages/lesson/east_dunbartonshire/bearsden.html";
Pages[2] = "/pages/lesson/east_dunbartonshire/bishopbriggs.html";
Pages[3] = "/pages/lesson/east_dunbartonshire/kirkintilloch.html";
Pages[4] = "/pages/lesson/east_dunbartonshire/lennoxtown.html";
Pages[5] = "/pages/lesson/east_dunbartonshire/lenzie.html";
Pages[6] = "/pages/lesson/east_dunbartonshire/milngavie.html";
Pages[7] = "/pages/lesson/east_dunbartonshire/milton_of_campsie.html";
Pages[8] = "/pages/lesson/east_dunbartonshire/torrance.html";
}
if (Menu1SelectedItem == 1)
/*Glasgow East*/
{
Menu2Options= new Array;
Menu2Options[0] = new Option("Glasgow East Main");
Menu2Options[1] = new Option("Baillieston ");
Menu2Options[2] = new Option("Barlanark ");
Menu2Options[3] = new Option("Carmyle ");
Menu2Options[4] = new Option("Easterhouse ");
Menu2Options[5] = new Option("Garthamlock ");
Menu2Options[6] = new Option("Shettleston ");

/*Glasgow East*/
Pages = new Array;
Pages[0] = "/pages/mains/glasgow_east_main.html";
Pages[1] = "/pages/lesson/glasgow_east/baillieston.html";
Pages[2] = "/pages/lesson/glasgow_east/barlanark.html";
Pages[3] = "/pages/lesson/glasgow_east/carmyle.html";
Pages[4] = "/pages/lesson/glasgow_east/easterhouse.html";
Pages[5] = "/pages/lesson/glasgow_east/garthamlock.html";
Pages[6] = "/pages/lesson/glasgow_east/shettleston.html";


}
if (Menu1SelectedItem == 2)
/*Glasgow North*/
{
Menu2Options= new Array;
Menu2Options[0] = new Option("Glasgow North Main");
Menu2Options[1] = new Option("Auchinairn ");
Menu2Options[2] = new Option("Balornock ");
Menu2Options[3] = new Option("Barmulloch ");
Menu2Options[4] = new Option("Bearsden");
Menu2Options[5] = new Option("Bishopbriggs");
Menu2Options[6] = new Option("Kirkintilloch");
Menu2Options[7] = new Option("Lenzie ");
Menu2Options[8] = new Option("Milngavie");
Menu2Options[9] = new Option("Milton");
Menu2Options[10] = new Option("Possilpark");
Menu2Options[11] = new Option("Robroyston");
Menu2Options[12] = new Option("Royston");
Menu2Options[13] = new Option("Springburn");
Menu2Options[14] = new Option("Summerston");

/*Glasgow North*/
Pages = new Array;
Pages[0] = "/pages/mains/glasgow_north_main.html";
Pages[1] = "/pages/lesson/glasgow_north/auchinairn.html";
Pages[2] = "/pages/lesson/glasgow_north/Balornock.html";
Pages[3] = "/pages/lesson/glasgow_north/barmulloch.html";
Pages[4] = "/pages/lesson/glasgow_north/bearsden.html";
Pages[5] = "/pages/lesson/glasgow_north/bishopbriggs.html";
Pages[6] = "/pages/lesson/glasgow_north/kirkintilloch.html";
Pages[7] = "/pages/lesson/glasgow_north/lenzie.html";
Pages[8] = "/pages/lesson/glasgow_north/milngavie.html";
Pages[9] = "/pages/lesson/glasgow_north/milton.html";
Pages[10] = "/pages/lesson/glasgow_north/possilpark.html";
Pages[11] = "/pages/lesson/glasgow_north/robroyston.html";
Pages[12] = "/pages/lesson/glasgow_north/royston.html";
Pages[13] = "/pages/lesson/glasgow_north/springburn.html";
Pages[14] = "/pages/lesson/glasgow_north/summerston.html";

}

if (Menu1SelectedItem == 3)
/*Glasgow South*/
{
Menu2Options= new Array;
Menu2Options[0] = new Option("Glasgow South Main");
Menu2Options[1] = new Option("Barrhead ");
Menu2Options[2] = new Option("Cardonald ");
Menu2Options[3] = new Option("Cathcart");
Menu2Options[4] = new Option("Clarkston");
Menu2Options[5] = new Option("Hillington ");
Menu2Options[6] = new Option("Ibrox");
Menu2Options[7] = new Option("Kings Park");
Menu2Options[8] = new Option("Mosspark");
Menu2Options[9] = new Option("Newton Mearns");
Menu2Options[10] = new Option("Penilee ");
Menu2Options[11] = new Option("Pollok");
Menu2Options[12] = new Option("Pollokshaws");
Menu2Options[13] = new Option("Shieldhall");

/*Glasgow South*/
Pages = new Array;
Pages[0] = "/pages/mains/glasgow_south_main.html";
Pages[1] = "/pages/lesson/glasgow_south/barrhead.html";
Pages[2] = "/pages/lesson/glasgow_south/cardonald.html";
Pages[3] = "/pages/lesson/glasgow_south/cathcart.html";
Pages[4] = "/pages/lesson/glasgow_south/clarkston.html";
Pages[5] = "/pages/lesson/glasgow_south/hillington.html";
Pages[6] = "/pages/lesson/glasgow_south/ibrox.html";
Pages[7] = "/pages/lesson/glasgow_south/kings_park.html";
Pages[8] = "/pages/lesson/glasgow_south/mosspark.html";
Pages[9] = "/pages/lesson/glasgow_south/newton_mearns.html";
Pages[10] = "/pages/lesson/glasgow_south/penilee.html";
Pages[11] = "/pages/lesson/glasgow_south/pollok.html";
Pages[12] = "/pages/lesson/glasgow_south/pollokshaws.html";
Pages[13] = "/pages/lesson/glasgow_south/shieldhall.html";

}

if (Menu1SelectedItem == 4)
/*Glasgow West*/
{
Menu2Options= new Array;
Menu2Options[0] = new Option("Glasgow West Main");
Menu2Options[1] = new Option("Anniesland ");
Menu2Options[2] = new Option("Clydebank");
Menu2Options[3] = new Option("Drumchapel");
Menu2Options[4] = new Option("Dumbarton");
Menu2Options[5] = new Option("Knightswood");
Menu2Options[6] = new Option("Partick");
Menu2Options[7] = new Option("Scotstoun");
Menu2Options[8] = new Option("West End");
Menu2Options[9] = new Option("Yoker");

/*Glasgow West*/
Pages = new Array;
Pages[0] = "/pages/mains/glasgow_west_main.html";
Pages[1] = "/pages/lesson/glasgow_west/anniesland.html";
Pages[2] = "/pages/lesson/glasgow_west/clydebank.html";
Pages[3] = "/pages/lesson/glasgow_west/drumchapel.html";
Pages[4] = "/pages/lesson/glasgow_west/dumbarton.html";
Pages[5] = "/pages/lesson/glasgow_west/knightswood.html";
Pages[6] = "/pages/lesson/glasgow_west/partick.html";
Pages[7] = "/pages/lesson/glasgow_west/scotstoun.html";
Pages[8] = "/pages/lesson/glasgow_west/west_end.html";
Pages[9] = "/pages/lesson/glasgow_west/yoker.html";



}

if (Menu1SelectedItem == 5)
/*North Lanarkshire*/
{
Menu2Options= new Array;
Menu2Options[0] = new Option("North Lanarkshire Main");
Menu2Options[1] = new Option("Airdrie");
Menu2Options[2] = new Option("Bellshill");
Menu2Options[3] = new Option("Coatbridge");
Menu2Options[4] = new Option("Cumbernauld");
Menu2Options[5] = new Option("Harthill");
Menu2Options[6] = new Option("Kilsyth");
Menu2Options[7] = new Option("Motherwell");
Menu2Options[8] = new Option("Muirhead");
Menu2Options[9] = new Option("Stepps");
Menu2Options[10] = new Option("Wishaw");

/*North Lanarkshire*/
Pages = new Array;
Pages[0] = "/pages/mains/north_lanarkshire_main.html";
Pages[1] = "/pages/lesson/north_lanarkshire/airdrie.html";
Pages[2] = "/pages/lesson/north_lanarkshire/bellshill.html";
Pages[3] = "/pages/lesson/north_lanarkshire/coatbridge.html";
Pages[4] = "/pages/lesson/north_lanarkshire/cumbernauld.html";
Pages[5] = "/pages/lesson/north_lanarkshire/harthill.html";
Pages[6] = "/pages/lesson/north_lanarkshire/kilsyth.html";
Pages[7] = "/pages/lesson/north_lanarkshire/motherwell.html";
Pages[8] = "/pages/lesson/north_lanarkshire/muirhead.html";
Pages[9] = "/pages/lesson/north_lanarkshire/stepps.html";
Pages[10] = "/pages/lesson/north_lanarkshire/wishaw.html";


}

if (Menu1SelectedItem == 6)
/*South Lanarkshire*/
{
Menu2Options= new Array;
Menu2Options[0] = new Option("South Lanarkshire Main");
Menu2Options[1] = new Option("Bothwell");
Menu2Options[2] = new Option("Cambuslang");
Menu2Options[3] = new Option("East Kilbride");
Menu2Options[4] = new Option("Hamilton");
Menu2Options[5] = new Option("Rutherglen");
Menu2Options[6] = new Option("Uddingston");

/*South Lanarkshire*/
Pages = new Array;
Pages[0] = "/pages/mains/south_lanarkshire_main.html";
Pages[1] = "/pages/lesson/south_lanarkshire/bothwell.html";
Pages[2] = "/pages/lesson/south_lanarkshire/cambuslang.html";
Pages[3] = "/pages/lesson/south_lanarkshire/east_kilbride.html";
Pages[4] = "/pages/lesson/south_lanarkshire/hamilton.html";
Pages[5] = "/pages/lesson/south_lanarkshire/rutherglen.html";
Pages[6] = "/pages/lesson/south_lanarkshire/uddingston.html";

}

if (Menu1SelectedItem == 7)
/*Renfrewshire*/
{
Menu2Options= new Array;
Menu2Options[0] = new Option("Renfrewshire Main");
Menu2Options[1] = new Option("Bishopton");
Menu2Options[2] = new Option("Erskine");
Menu2Options[3] = new Option("Johnstone");
Menu2Options[4] = new Option("Linwood");
Menu2Options[5] = new Option("Paisley");
Menu2Options[6] = new Option("Renfrew");

/*Renfrewshire*/
Pages = new Array;
Pages[0] = "/pages/mains/renfrewshire_main.html";
Pages[1] = "/pages/lesson/renfrewshire/bishopton.html";
Pages[2] = "/pages/lesson/renfrewshire/erskine.html";
Pages[3] = "/pages/lesson/renfrewshire/johnstone.html";
Pages[4] = "/pages/lesson/renfrewshire/linwood.html";
Pages[5] = "/pages/lesson/renfrewshire/paisley.html";
Pages[6] = "/pages/lesson/renfrewshire/renfrew.html";

}

if (Menu1SelectedItem == 8)
/*West Lothian*/
{
Menu2Options= new Array;
Menu2Options[0] = new Option("West Lothian Main");
Menu2Options[1] = new Option("Bathgate");
Menu2Options[2] = new Option("Linlithgow");
Menu2Options[3] = new Option("Livingston");
Menu2Options[4] = new Option("Uphall");

/*West Lothian*/
Pages = new Array;
Pages[0] = "/pages/mains/west_lothian_main.html";
Pages[1] = "/pages/lesson/west_lothian/bathgate.html";
Pages[2] = "/pages/lesson/west_lothian/linlithgow.html";
Pages[3] = "/pages/lesson/west_lothian/livingston.html";
Pages[4] = "/pages/lesson/west_lothian/uphall.html";

}
/*Depending on what has been selected, this is the function that loads the pages-to-go into Menu2*/
tot = Menu2Options.length;
  for (i = Menu2OriginalLength; i > 0; i--)
        { document.DoubleDropDownMenu.Menu2.options[i] = null; }
/* The above nulls off all the options to allow the subjects to be changed without leaving data in the array from previous, longer lists of files. */
        for (i = 0; i < tot; i++)
        { document.DoubleDropDownMenu.Menu2.options[i] = Menu2Options[i]; }
        document.DoubleDropDownMenu.Menu2.options[0].selected = true;
/* The above fills the options with the descriptions of the files and makes the first description the selected one. */
Menu2OriginalLength = Menu2Options.length;
/* This makes the value of Menu2OriginalLength correct, if the subjects have been changed. */
}

function gotoPage()
/*This function loads the selected page to go into the browser.*/
        {

        i = document.DoubleDropDownMenu.Menu2.selectedIndex;
        window.location.href = Pages[i];
        }