function doChange(stage) { $('setstage').value=stage; $('booking').submit() } 

/*
function buildPartyTable (partyCount, incLessons) {
	// dynamically appends rows to the partylist table and populates with values from the partyMembers field.  rows are rebuilt on each call
	var rowsToAdd = partyCount;
	var rowCnt = 1;
	var tr = '';

	if(partyCount>1 & incLessons==1) $('roomtext').innerHTML = 'for the ' + partyCount + ' of you'

	for (i=$('partylist').rows.length-1; i>=2;i--) {
		$('partylist').deleteRow(i)
	}
	
	for (i=2; i <= rowsToAdd ; i++) {
		rowCnt++ ;
		tr = $('partylist').insertRow(-1);
		tdCnt = tr.insertCell(0);
		tdCnt.style.width="20px";
		tdSal = tr.insertCell(1);
		tdFname = tr.insertCell(2);
		tdLname = tr.insertCell(3);
		tdAge = tr.insertCell(4);
		tdSlevel = tr.insertCell(5);
		if (incLessons == 1) {
			tdLessons = tr.insertCell(6);
			tdBoard = tr.insertCell(7);
			tdSuit= tr.insertCell(8);
		} else {
			tdBoard = tr.insertCell(6);
			tdSuit= tr.insertCell(7);
		}
				
		tdCnt.innerHTML = rowCnt + '.'
		tdSal.innerHTML = '<select name="p_sal_' + i + '" id="p_sal_' + i + '" style=width:40px><option>-----</option><option>Mr<option>Mrs</option><option>Ms</option><option>Miss</option><option>Dr</option></select>';
		tdFname.innerHTML = '<input type="text" name="p_first_' + i + '"id="p_first_' + i + '" size=10 style=width:60px>';
		tdLname.innerHTML = '<input type="text" name="p_last_' + i + '"id="p_last_' + i + '" size=10 style=width:60px>';
		tdAge.innerHTML = '<input type="text" name="p_age_' + i + '" id="p_age_' + i + '" size=4 style=width:40px>';
		tdSlevel.innerHTML = '<select name="p_surflevel_' + i + '" id="p_surflevel_' + i + '" style=width:100px><option>- Choose -</option><option>Beginner<option>Intermediate</option><option>Advanced</option><option>Not Surfing</option></select>';		
		if (incLessons == 1) {
			tdLessons.innerHTML = '<input type="checkbox" name="p_lessons_' + i + '" id="p_lessons_' + i + '">';
		}
		tdBoard.innerHTML = '<input type="checkbox" name="p_board_' + i + '" id="p_board_' + i + '">';
		tdSuit.innerHTML = '<input type="checkbox" name="p_suit_' + i + '" id="p_suit_' + i + '">';
	} 
	
	if ($F('partyMembers') != "") {
		partyMembers =  $F('partyMembers').split(',');
		partyMembers.each(function(partyRow, idx) {
			if (idx <= rowsToAdd) {
				details = partyRow.split('~');	
				$('p_sal_' + idx).selectedIndex = setSelected($('p_sal_' + idx), details[0]);
				$('p_first_' + idx).value = details[1];
				$('p_last_' + idx).value = details[2];
				$('p_age_' + idx).value = details[3];
				$('p_surflevel_' + idx).selectedIndex = setSelected($('slevel_' + idx), details[4]);
				if (incLessons == 1) {
					$('p_lessons_' + idx ).checked = (details[5] == 'Yes') ? true : false ;
					$('p_board_' + idx ).checked = (details[6] == 'Yes') ? true : false ;
					$('p_suit_' + idx ).checked = (details[7] == 'Yes') ? true : false ;
				} else {
					$('p_board_' + idx ).checked = (details[5] == 'Yes') ? true : false ;
					$('p_suit_' + idx ).checked = (details[6] == 'Yes') ? true : false ;
				}		
			}
		});
	}
}


function popPartyMembers (incLessons) {
	var partyCount = $('numberinparty').value;
	
	var strSep = "~";
	var arrPartyMembers = new Array();

	if (incLessons == 1 ) {
		for (i=0; i <= partyCount - 2; i++) {
			strToAdd = $F('salutation_' + i ) + strSep + $F('fname_' + i ) + strSep + $F('lname_' + i ) + strSep + $F('age_' + i ) + strSep + $F('slevel_' + i ) + strSep + (($F('lessons_' + i ) == 'on') ? 'Yes' : 'No') + strSep + (($F('board_' + i )  == 'on') ? 'Yes' : 'No')+ strSep + (($F('suit_' + i )  == 'on') ? 'Yes' : 'No');
			arrPartyMembers.push(strToAdd);
		}
	} else {
			for (i=0; i <= partyCount - 2; i++) {
			strToAdd = $F('salutation_' + i ) + strSep + $F('fname_' + i ) + strSep + $F('lname_' + i ) + strSep + $F('age_' + i ) + strSep + $F('slevel_' + i ) + strSep + (($F('board_' + i )  == 'on') ? 'Yes' : 'No')+ strSep + (($F('suit_' + i )  == 'on') ? 'Yes' : 'No');			
			arrPartyMembers.push(strToAdd);
		}
	}
	
	$('partyMembers').value = arrPartyMembers.join();
}
*/