function createWijkDropdown(selectbox){
addOption(selectbox,"Belgisch Park","Den Haag / Belgisch Park");
addOption(selectbox,"Bomen- en Bloemenbuurt","Den Haag / Bomen- en Bloemenbuurt");
addOption(selectbox,"Bomen- en Bloemenwijk","Den Haag / Bomen- en Bloemenwijk");
addOption(selectbox,"Bouwlust / Vrederust","Den Haag / Bouwlust / Vrederust");
addOption(selectbox,"Kraayenstein","Den Haag / Kraayenstein");
addOption(selectbox,"Laakkwartier en Spoorwijk","Den Haag / Laakkwartier en Spoorwijk");
addOption(selectbox,"Loosduinen","Den Haag / Loosduinen");
addOption(selectbox,"Moerwijk","Den Haag / Moerwijk");
addOption(selectbox,"Morgenstond","Den Haag / Morgenstond");
addOption(selectbox,"Oude Stad (Centrum)","Den Haag / Oude Stad (Centrum)");
addOption(selectbox,"Regentessekwartier","Den Haag / Regentessekwartier");
addOption(selectbox,"Scheveningen","Den Haag / Scheveningen");
addOption(selectbox,"Stationsbuurt/Rivierenbrt","Den Haag / Stationsbuurt/Rivierenbrt");
addOption(selectbox,"Transvaalkwartier","Den Haag / Transvaalkwartier");
addOption(selectbox,"Vruchtenbuurt","Den Haag / Vruchtenbuurt");
addOption(selectbox,"Waldeck","Den Haag / Waldeck");
addOption(selectbox,"Wateringse Veld","Den Haag / Wateringse Veld");
addOption(selectbox,"Westbroekpark / Duttendel","Den Haag / Westbroekpark / Duttendel");
addOption(selectbox,"Delft","Delft / Delft");
addOption(selectbox,"Oud-Centrum","Rijswijk / Oud-Centrum");
}
function addOption(selectbox,text,waarde)
{
var optn = document.createElement("OPTION");
optn.text = waarde;
optn.value = text;
selectbox.options.add(optn);
}