var to_display ="";
to_display +="<select class='Dropdown' id='DeptAirport' name='DeptAirport'>"
to_display +="<option value='' selected>Any UK or Ireland airport</option>"
to_display +="<option value=''></option>"
to_display +="<option id='HPDropHeader' value='LGW,LGS,LGN,LHR,STN,LTN,LCY'>London Airports</option>"
to_display +="<option value='LHR'>London Heathrow (LHR)</option>"
to_display +="<option value='LGW,LGS,LGN'>London Gatwick (LGW)</option>"
to_display +="<option value='LTN'>London Luton (LTN)</option>"
to_display +="<option value='STN'>London Stansted (STN)</option>"
to_display +="<option value='LCY'>London City (LCY)</option>"
to_display +="<option value=''></option>"
to_display +="<option id='HPDropHeader' value='BOH,SOU'>Any South-East</option>"
to_display +="<option value='BOH'>Bournemouth (BOH)</option>"
to_display +="<option value='SOU'>Southampton (SOU)</option>"
to_display +="<option value=''></option>"
to_display +="<option id='HPDropHeader' value='BRS,EXT,CWL'>Any South-West / Wales</option>"
to_display +="<option value='BRS'>Bristol (BRS)</option>"
to_display +="<option value='EXT'>Exeter (EXT)</option>"
to_display +="<option value='CWL'>Cardiff (CWL)</option>"
to_display +="<option value=''></option>"
to_display +="<option id='HPDropHeader' value='BHX,EMA,CVT'>Any Midlands</option>"
to_display +="<option value='BHX'>Birmingham (BHX)</option>"
to_display +="<option value='EMA'>East Midlands (EMA)</option>"
to_display +="<option value='CVT'>Coventry (CVT)</option>"
to_display +="<option value=''></option>"
to_display +="<option id='HPDropHeader' value='BLK,LPL,MAN,MIT,HUY,LBA,NCL,MME,DSA'>Any North</option>"
to_display +="<option value='BLK'>Blackpool (BLK)</option>"
to_display +="<option value='LPL'>Liverpool (LPL)</option>"
to_display +="<option value='MAN,MIT'>Manchester (MAN)</option>"
to_display +="<option value='HUY'>Humberside (HUY)</option>"
to_display +="<option value='DSA'>Doncaster Sheffield (DSA)</option>"
to_display +="<option value='LBA'>Leeds Bradford (LBA)</option>"
to_display +="<option value='NCL'>Newcastle (NCL)</option>"
to_display +="<option value='MME'>Teesside (MME)</option>"
to_display +="<option value=''></option>"
to_display +="<option id='HPDropHeader' value='NWI,STN'>Any East Anglia</option>"
to_display +="<option value='NWI'>Norwich (NWI)</option>"
to_display +="<option value='STN'>Stansted (STN)</option>"
to_display +="<option value=''></option>"
to_display +="<option id='HPDropHeader' value='ABZ,EDI,GLA,PIK,INV'>Any Scotland</option>"
to_display +="<option value='ABZ'>Aberdeen (ABZ)</option>"
to_display +="<option value='EDI'>Edinburgh (EDI)</option>"
to_display +="<option value='GLA'>Glasgow (GLA)</option>"
to_display +="<option value='INV'>Inverness (INV)</option>"
to_display +="<option value='PIK'>Prestwick (PIK)</option>"
to_display +="<option value=''></option>"
to_display +="<option id='HPDropHeader' value='CWL,BRS,EXT,SWS'>Any Wales /West England</option>"
to_display +="<option value='CWL'>Cardiff (CWL)</option>"
to_display +="<option value='BRS'>Bristol (BRS)</option>"
to_display +="<option value='EXT'>Exeter (EXT)</option>"
to_display +="<option value='SWS'>Swansea (SWS)</option>"
to_display +="<option value=''></option>"
to_display +="<option id='HPDropHeader' value='BFS,BHD'>Any Northern Ireland</option>"
to_display +="<option value='BFS'>Belfast (BFS)</option>"
to_display +="<option value='BHD'>Belfast City (BHD)</option>"
to_display +="</select>"
document.write(to_display);