var prevRoomReqlength = 2;//initialise to starting amount for 2nd menu

function update2ndmenu(){

	for(var i=0; i < menu1choice[document.theform.NumberAndSexOfSeekers.selectedIndex].RoomReqoption.length; i++)
		{
		if ( ( i + 1 ) > prevRoomReqlength)
			{
			eval('document.theform.RoomReq.options[' + i + '] = new Option()');
			}
		eval('document.theform.RoomReq.options[' + i + '].value = menu1choice[document.theform.NumberAndSexOfSeekers.selectedIndex].RoomReqoption[i]'); //set new value of RoomReq
		eval('document.theform.RoomReq.options[' + i + '].text  = menu1choice[document.theform.NumberAndSexOfSeekers.selectedIndex].RoomReqoption[i]'); //set new text of RoomReq
		}
	        
	// set length of maker menu
	document.theform.RoomReq.length = menu1choice[document.theform.NumberAndSexOfSeekers.selectedIndex].RoomReqoption.length;//i.e. set to number of items in the RoomReqchoice array
	
	// set prev length
	prevRoomReqlength = menu1choice[document.theform.NumberAndSexOfSeekers.selectedIndex].RoomReqoption.length;//i.e. set to number of items in the RoomReqchoice array

    document.theform.RoomReq.selectedIndex = 0;
}
var menu1choice = new Array();

menu1choice[0] = new Object();
menu1choice[0].NumberAndSexOfSeekers = '';  //NumberAndSexOfSeekers doesnt actually do anything, but is helpful for debugging
menu1choice[0].RoomReqoption = new Array();
menu1choice[0].RoomReqoption[0] = '';


menu1choice[1] = new Object();
menu1choice[1].NumberAndSexOfSeekers = '1 Male';
menu1choice[1].RoomReqoption = new Array();
menu1choice[1].RoomReqoption[0] = 'a single or double room';
menu1choice[1].RoomReqoption[1] = 'a double room';

menu1choice[2] = new Object();
menu1choice[2].NumberAndSexOfSeekers = '1 Female';
menu1choice[2].RoomReqoption = new Array();
menu1choice[2].RoomReqoption[0] = 'a single or double room';
menu1choice[2].RoomReqoption[1] = 'a double room';


menu1choice[3] = new Object();
menu1choice[3].NumberAndSexOfSeekers = '1 Male 1 Female';
menu1choice[3].RoomReqoption = new Array();
menu1choice[3].RoomReqoption[0] = 'a double room (we are partners)';
menu1choice[3].RoomReqoption[1] = '2 rooms';

menu1choice[4] = new Object();
menu1choice[4].NumberAndSexOfSeekers = '2 Males';
menu1choice[4].RoomReqoption = new Array();
menu1choice[4].RoomReqoption[0] = '2 rooms';
menu1choice[4].RoomReqoption[1] = 'a twin room or 2 rooms';
menu1choice[4].RoomReqoption[2] = 'a double room (we are partners)';

menu1choice[5] = new Object();
menu1choice[5].NumberAndSexOfSeekers = '2 Females';
menu1choice[5].RoomReqoption = new Array();
menu1choice[5].RoomReqoption[0] = '2 rooms';
menu1choice[5].RoomReqoption[1] = 'a twin room or 2 rooms';
menu1choice[5].RoomReqoption[2] = 'a double room (we are partners)';