// ------------------------------------ DLESE controlled vocabulary dHTML functions ------------------------------------
dlese_pageHasVocabs = true;
var dlese_CHECKBOX_IMG = new Array();
dlese_CHECKBOX_IMG[ 0 ] = new Image();
dlese_CHECKBOX_IMG[ 0 ].src = "/dlese_shared/images/vocab/boxWhite.gif";
dlese_CHECKBOX_IMG[ 1 ] = new Image();
dlese_CHECKBOX_IMG[ 1 ].src = "/dlese_shared/images/vocab/boxBlack.gif";
dlese_CHECKBOX_IMG[ 2 ] = new Image();
dlese_CHECKBOX_IMG[ 2 ].src = "/dlese_shared/images/vocab/boxGray.gif";
var dlese_ARROW_OPEN = new Image(); dlese_ARROW_OPEN.src = "/dlese_shared/images/vocab/ArrowUpTransp.gif";
var dlese_ARROW_CLOSED = new Image(); dlese_ARROW_CLOSED.src = "/dlese_shared/images/vocab/ArrowDownTransp.gif";
var dlese_HIDE_STATUS_MOUSE_OVER =  " onMouseOver=\"self.status = ''; return true;\" onMouseUp=\"self.status = ''; return true;\" onClick=\"self.status = ''; return true;\"";
var dlese_LABEL_WRAP_WIDTH = 50;	
var dlese_CLEAR_ALL_BUTTON = "/dlese_shared/images/vocab/clear_all.gif";
var dlese_CLEAR_ALL_BUTTON_GREYED_OUT = "/dlese_shared/images/vocab/clear_all_gray.gif";

var dlese_allLists = new Array();
var dlese_allListsSimpleName = new Array();
var dlese_loadedQuery = ''; 
function dlese_vocabList( name, groupType, groupLabel, groupLabelAbbrev ) {
	this.name = name;
	this.groupLabel = groupLabel;
	this.groupLabelAbbrev = groupLabelAbbrev;
	this.div = name + 'div';
	this.parent = 0;
	this.parentIndex = 0;
	this.level = 1;	
	this.closeCall = 0;
	this.groupType = groupType;	// 0 = collapsible, 1 = fixed open
	this.label = new Array();
	this.labelAbbrev = new Array();
	this.sublist = new Array();
	this.checkedState = new Array();
	this.inputField = new Array();
	this.inputValue = new Array();
	this.wrap = new Array();
	this.description = new Array();
	this.href = new Array(); // Special case, list element is just a link, not a checkbox or list sub-header
}
function dlese_AV( list, label, labelAbbrev, field, value, isChecked, wrap, sublist, href, description ) {
	var ind = list.label.length;
	list.label[ ind ] = dlese_wrapVocabLabel( label );
	list.labelAbbrev[ ind ] = labelAbbrev;
	list.inputField[ ind ] = field;
	list.inputValue[ ind ] = value;
	if ( dlese_loadedQuery.indexOf( "&" + field + "=" + value + "&" ) > -1 )
		list.checkedState[ ind ] = 1;
	else
		list.checkedState[ ind ] = 0;
	list.wrap[ ind ] = wrap;
	if ( sublist ) {
		list.sublist[ ind ] = sublist;
		sublist.parent = list;
		sublist.parentIndex = ind;
		sublist.level = list.level + 1;
	}
	if ( description )
		list.description[ ind ] = description;
	if ( href )
		list.href[ ind ] = href;
}
function dlese_wrapVocabLabel( label ) {
	var ind = label.indexOf( " " );
	var ret = "";
	var tet = ""
	while ( ind > -1 ) {
		tet += label.substring( 0, ind + 1 );
		label = label.substring( ind + 1, label.length );
		ind = label.indexOf( " " );
		if ( ( ind > -1 ) && ( tet.length > dlese_LABEL_WRAP_WIDTH ) ) {
			ret += tet + "<br>&nbsp;";
			tet = "";
		}
	}
	ret += tet + label;
	var regex = /\'/g;
	return "<nobr>&nbsp;" + ret.replace( regex, "&#39;" ) + "&nbsp;</nobr>";
}
function dlese_searchOnLoad() {
	dlese_showSelectClearLinksIfGroupTwo();	
}
function dlese_setList( name ) {
	var list = eval( "tm_" + name + "0" );
	dlese_setParentStates( list );
	dlese_allLists[ dlese_allLists.length ] = list.name;
	dlese_allListsSimpleName[ dlese_allListsSimpleName.length ] = name;
}
function dlese_renderSelectedVocabsFeedback() {
	var obj = document.getElementById( "clearAll" );
	if ( obj ) 
		obj.style.visibility = 'visible';
	dlese_setVocabQueryString();
}

// Top level vocab toggle buttons:
function dlese_vocabButton( name, closedImg, openImg, left, top ) {
	this.name = name;
	this.closedImg = new Image();
	this.closedImg.src = closedImg;
	this.openImg = new Image();
	this.openImg.src = openImg;
	this.isOpen = false;
	this.isRendered = false;
	this.left = left;
	this.top = top;	
	this.focusLink = 0;
}
function dlese_toggleVocabButton( name ) {
	var button = eval( "document.vButton" + name );
	button.isOpen = !button.isOpen;
	var imgObj = document.getElementById( button.name + "button" );
	if ( button.isOpen ) {
		imgObj.src = button.openImg.src;
	}
	else {		
		mouseClickedOnOpenVocab = false;
		imgObj.src = button.closedImg.src;
	}
	if ( imgObj.style.cursor )
		imgObj.style.cursor = 'pointer'; 
}
function dlese_openVocabButton( name ) {
	var button = eval( "document.vButton" + name );
	var imgObj = document.getElementById( button.name + "button" );
	imgObj.src = button.openImg.src;
	if ( imgObj.style.cursor )
		imgObj.style.cursor = 'wait';
}
function dlese_closeVocabButton( name ) {
	var button = eval( "document.vButton" + name );
	button.isOpen = false;
	mouseClickedOnOpenVocab = false;
	var imgObj = document.getElementById( button.name + "button" );
	imgObj.src = button.closedImg.src;
	if ( imgObj.style.cursor )
		imgObj.style.cursor = 'pointer';
}
function dlese_toggleVocab( listName ) {
	dlese_toggleVocabButton( listName ); 
	setTimeout( "dlese_doToggleVocab( '" + listName + "' )", 1 );
}
function dlese_doToggleVocab( listName ) {
	dlese_hideAllVocab( "tm_" + listName + "0" );
	toggleObjDisplay( "tm_" + listName + "0div" );	
}
function dlese_checkHideFrontPage( name ) {
	if ( dlese_isFrontPage ) {
		var button = eval( "document.vButton" + name );
		if ( button ) {
			if ( button.isOpen ) {
				dlese_hideSelectListsIE( true );
				dlese_vocabsShowing = true;
			}
			else {
				dlese_hideSelectListsIE( false );
				dlese_vocabsShowing = false;
			}
		}
		else
			dlese_vocabsShowing = false;
	}
}
function dlese_renderVocabButton( name, closedImg, openImg, altText, left, top, listLeft, listTop ) {
	eval( "document.vButton" + name + " = new dlese_vocabButton( '" + name + "', '" + closedImg 
		+ "', '" + openImg + "', " + listLeft + ", " + listTop + " );" );
	document.writeln( "<div class='dlese_vocabButtons' id='" + name + "buttonDiv' style='position: absolute; z-index: 30000; top: " 
		+ top + "px; left: " + left + "px;'><a href='javascript:dlese_vocabButtonClicked( \"" + name + "\" );'"
		+ "class='cursorPointer' " + dlese_HIDE_STATUS_MOUSE_OVER + " onMouseDown='mouseClickedOnOpenVocab = true;'><img alt='" 
		+ altText + "' border='0' id='" + name + "button' " + "src='" + closedImg 
		+ "' class='cursorPointer'></a></div>" );
}
function dlese_defineVocabButton( name ) { // For buttons that aren't displayed (i.e., subject):
	eval( "document.vButton" + name + " = new dlese_vocabButton( '" + name + "', '', '', 0, 0 );" );
}
function dlese_activateVocabButton( name ) {
	var list = eval( "tm_" + name + "0" );
	list.closeCall = "dlese_closeVocabButton( '" + name + "' )";
}
function dlese_focusFirstListLink( name ) {
	var fLink = document.getElementById( "vButton" + name + "FocusLink" );
	var fList = eval( name );
	var fLayer = document.getElementById( fList.div );
	if ( fLink != null && fLayer.style.display != 'none' && fLayer.style.visibility != 'hidden' )
		fLink.focus();
}
function dlese_vocabButtonClicked( name ) {
	var button = eval( "document.vButton" + name );
	if ( button.isRendered ) {
		dlese_toggleVocab( name );
		setTimeout( "dlese_focusFirstListLink( 'tm_" + name + "0' )", 200 );
	}
	else {
		dlese_openVocabButton( name );
		setTimeout( "dlese_startRenderVocab( '" + name + "' )", 10 );
	}
	setTimeout( "dlese_checkHideFrontPage('" + name + "')", 100 );
	window.status = '';
}
function dlese_startRenderVocab( name ) {
	eval( "document.vButton" + name + ".focusLink = " + ( document.links.length + 3 ) );
	dlese_renderVocab( name );
	dlese_toggleVocab( name );
	var imgObj = document.getElementById( name + "button" );
	if ( imgObj.style.cursor )
		imgObj.style.cursor = 'pointer';
	dlese_showSelectClearLinksIfGroupTwo();
}
function dlese_renderVocab( name, simple ) {
	var button = eval( "document.vButton" + name );
	var list = eval( "tm_" + name + "0" );
	var top = button.top;
	var left = button.left;
	dlese_displayVocab( list, left, top, true );
	dlese_setToVisible( list );
	dlese_activateVocabButton( name );
	button.isRendered = true;	
}
var innerTextAppend = '';
function dlese_displayVocab( list, x, y, topCall ) {	
	var innerText = '';
	var innerTextAppend = '';
	var sc;
	if ( topCall ) {
		sc = getObject( 'dlese_vocabButtons' );
		innerText = sc.innerHTML;
		innerTextAppend = '';
	}
	if ( topCall )
			innerText += "<table id='" + list.div + "' style='z-index: 10; position: relative; left: " + x + "px; top: " 
					+ y + "px; display: none; visibility: visible;' class='dlese_vocabFlyout' onMouseDown='mouseClickedOnOpenVocab = true;'>"
					+ "<tr><td><table border='0' cellpadding='0' cellspacing='0'><tr><td class='dlese_vocabFlyoutIndent'></td><td>";		
	else 
		innerText += "<table id='" + list.div + "' style='display: block; visibility: visible;' class='dlese_vocabDropdown'><tr><td>";
	innerText += "<table cellpadding='0' cellspacing='0' border='0'><tr><td>";
	if ( list.level == 1 )
		innerText += "<table width='100%' border='0' cellpadding='0' cellspacing='0'><tr>"
			+ "<td align='left' valign='top'><a href='javascript:dlese_selectClearAll( " + list.name + " )' "
			+ "class='dlese_vocabSelectClearLinksTopLevel' onMouseOver=\"document.status = ''; return true;\"><nobr>Select / Clear all</nobr></a></td>"
			+ "<td align='right' valign='top'><a href='javascript:dlese_hideList( " + list.name + " )' "
			+ "class='dlese_vocabSelectClearLinksTopLevel' onMouseOver=\"document.status = ''; return true;\" "
			+ "title='Close'>X</a></td></tr></table></td></tr>"
			+ "<tr><td height='1' class='dlese_vocabsDividerLines'></td></tr><tr><td>";
	innerText += "<table cellpadding='0' cellspacing='0' border='0'><tr>"
		+ "<td align='left' valign='top'>";
	innerText += "<table cellpadding='0' cellspacing='0' border='0' style='margin: 0px; padding: 0px;'>";
	for ( var i = 0; i < list.label.length; i++ ) {
		if ( i == 0 && ( list.name == 'tm_ky0' ) )
			innerText += "<tr><td valign='top' colspan='2' style='padding-left: 12px;'>"
				+ "<a href='http://www.dlese.org" + dlese_DISCOVERY_ROOT + "browse.htm' title='Browse resources in each collection'>Browse resources &amp; collections</a></td></tr>"; 
		var rightLink = '';
		innerText += "<tr><td valign='top' width='5'>";
		if ( list.href[ i ] ) {
			innerText += "<a href='" + list.href[ i ] + "'>" + list.label[ i ] + "</a>";
		}
		else if ( !list.sublist[ i ] ) {
			innerText += "<a href='javascript:dlese_toggleInput( " + list.name + ", " + i + " );' class='dlese_listToggleLink' " + dlese_HIDE_STATUS_MOUSE_OVER + ">";
			innerText += "<img id='" + list.name + i + "check' border='0' src='" + dlese_CHECKBOX_IMG[ list.checkedState[ i ] ].src 
				+ "' style='margin-top: 4px; margin-bottom: 0px;' alt='Click to select " + list.label[ i ] + "'></a> ";	
		}
		else if ( list.sublist[ i ].groupType < 1 ) {
			innerText += "<a href='javascript:dlese_toggleInput( " + list.name + ", " + i + " );' class='dlese_listToggleLink' " + dlese_HIDE_STATUS_MOUSE_OVER + ">";
			innerText += "<img id='" + list.name + i + "arrow' border='0' src='"  
					+ dlese_ARROW_CLOSED.src + "' style='margin-top: 4px; margin-bottom: 0px;'></a>";
		}
		var focusId = '';
		if ( list.level == 1 && i == 0 ) {
			focusId = ' id="vButton' + list.name + 'FocusLink"';
		}
		var moText = dlese_HIDE_STATUS_MOUSE_OVER;
		if ( list.description[ i ] ) {
			moText = " onMouseOver=\"dlese_showDescription( " + list.name + ", " + i + ", event ); self.status = ''; return true;\""
				+ "onMouseOut=\"dlese_hideDescription(); self.status = ''; return true;\"";
		}		
		if ( list.sublist[ i ] ) {
			if ( list.sublist[ i ].groupType == 1 ) {
				if ( list.sublist[ i ].sublist[ 0 ] ) {
					rightLink = "<a href='#' class='dlese_listToggleLink' style='position: relative; left: -4px;'" 
						+ focusId + moText + ">";
				}
				else
					rightLink = "<a href='#' class='dlese_listToggleLink' style='position: relative; left: -12px;'" 
						+ focusId + moText + ">";
			}
			else {
				rightLink = "<a href='javascript:dlese_toggleInput( " + list.name + ", " + i 
					+ " );' class='dlese_listToggleLink'" + focusId + moText + ">";
			}
		}
		else {
			rightLink = "<a href=\"javascript:dlese_toggleInput( " + list.name + ", " + i 
				+ " );\" class='dlese_listToggleLink'" + focusId + moText + ">";
		}	
		innerText += "</td><td valign='top' nowrap='true' width='100%'>" + rightLink + list.label[ i ] + "</a>";
		if ( list.sublist[ i ] ) {
			innerText += " <a href='javascript:dlese_selectClearAll( " + list.sublist[ i ].name 
				+ " )' id='vocabSelectClear" + list.sublist[ i ].name 
				+ "' class='dlese_vocabSelectClearLinks' onMouseOver=\"document.status = ''; return true;\">Select / Clear all</a>";
			if ( list.sublist[ i ].groupType > 0 )
				innerText += "</td></tr><tr><td colspan='2'>";
			innerText += dlese_displayVocab( list.sublist[ i ] );
		}
		innerText += "</td></tr>";
		if ( list.wrap[ i ] ) {
			innerText += "</table></td><td width='1' class='dlese_vocabsDividerLines'><div style='font-size: 1px;'>&nbsp;</div></td>"
				+ "<td>&nbsp;</td><td align='left' valign='top'>"
				+ "<table border='0' cellpadding='0' cellspacing='0'>";
		}
	}
	innerText += "</table></td></tr></table></td></tr></table></td></tr></table>";	
	if ( topCall ) {
		innerText += "</td></tr></table>";
		sc.innerHTML = innerText;
		setTimeout( "dlese_focusFirstListLink( '" + list.name + "' )", 200 );
	}
	else
		return innerText;
}
function dlese_showDescription( list, index, event ) {
	var obj = document.getElementById( "dlese_vocabDescriptions" );
	if ( obj ) {
		var scrollOffset = 0;
		if ( navigator.appName == "Microsoft Internet Explorer" ) {
			scrollOffset = document.body.scrollTop;
		} 
		else { 
			scrollOffset = window.pageYOffset;
		}		
		obj.innerHTML = list.description[ index ];
		var goTop = event.clientY + 20 + scrollOffset;
		if ( event.clientY + 40 > document.body.clientHeight )	// make sure it doesn't go below visible area
			goTop = event.clientY - 40 + scrollOffset;
		obj.style.top = goTop;
		var goLeft = event.clientX + 10;
		if ( goLeft + 320 > document.body.clientWidth )	// make sure it doesn't go off the right edge of visible area
			goLeft = document.body.clientWidth - 320;
		obj.style.left = goLeft;
		obj.style.display = 'block';
	}
}
function dlese_hideDescription( divId ) {
	var obj = document.getElementById( "dlese_vocabDescriptions" );
	if ( obj ) {
		obj.style.display = 'none';
	}
}
function dlese_toggleInput( list, index ) {
	dlese_vocabsShowing = true;
	var imgObj;
	if ( list.sublist[ index ] && ( list.sublist[ index ].groupType < 1 ) ) { // just toggling display, NOT state
		var timeoutDelay = 0;
		for ( var i = 0; i < list.label.length; i++ ) {
			if ( list.sublist[ i ] && ( i != index ) && ( list.sublist[ i ].groupType < 1 ) ) {
				if ( eval( "document.getElementById( '" + list.sublist[ i ].div + "' ).style.display" ) != 'none' ) {
					hideObj( list.sublist[ i ].div );
					imgObj = document.getElementById( list.sublist[ i ].name + "arrow" );
					if ( imgObj ) {
						if ( list.sublist[ i ].groupType == 0 )
							imgObj.src = dlese_ARROW_CLOSED.src;
						else
							imgObj.src = dlese_ARROW_CLOSED_DROPDOWN.src;
					}
					var selectClearLink = document.getElementById( "vocabSelectClear" + list.sublist[ i ].name );
					if ( selectClearLink && selectClearLink.style )
						selectClearLink.style.visibility = 'hidden';
					timeoutDelay = 250;
				}
			}
		}
		setTimeout( "dlese_toggleInputFinish( " + list.name + ", " + index + " )", timeoutDelay );
	}
	else {
		imgObj = document.getElementById( list.name + index + "check" );		
		if ( list.checkedState[ index ] == 0 ) {
			if ( imgObj )
				imgObj.src = dlese_CHECKBOX_IMG[ 1 ].src;
			list.checkedState[ index ] = 1;
		}
		else if ( list.checkedState[ index ] == 1 ) {
			if ( imgObj )
				imgObj.src = dlese_CHECKBOX_IMG[ 0 ].src;
			list.checkedState[ index ] = 0;
		}
		dlese_checkParentState( list );
		dlese_setVocabQueryString();
	}
	var except = list;
	while ( except.parent.parent ) {
		except = except.parent;
	}
	var topList = except.parent;
	if ( topList ) {
		for ( var i = 0; i < topList.label.length; i++ )
			if ( topList.sublist[ i ] != except )
				dlese_hideList( topList.sublist[ i ] );
	}	
}
function dlese_toggleInputFinish( list, index ) {
	dlese_vocabsShowing = true;
	toggleObjDisplay( list.sublist[ index ].div );
	var obj = document.getElementById( list.sublist[ index ].div );
	imgObj = document.getElementById( list.sublist[ index ].name + "arrow" );		
	if ( obj.style.visibility == 'visible' && imgObj ) {
		if ( ( list.sublist[ index ].groupType > 0 ) )
			imgObj.src = dlese_ARROW_OPEN_DROPDOWN.src;
		else
			imgObj.src = dlese_ARROW_OPEN.src;
		var selectClearLink = document.getElementById( "vocabSelectClear" + list.sublist[ index ].name );
		if ( selectClearLink && selectClearLink.style )
			selectClearLink.style.visibility = 'visible';
	}
	else {
		if ( ( list.sublist[ index ].groupType == 0 ) && imgObj )
			imgObj.src = dlese_ARROW_CLOSED.src;
		else if ( imgObj )
			imgObj.src = dlese_ARROW_CLOSED_DROPDOWN.src;
		if ( list.sublist[ index ].groupType != 1 ) {
			var selectClearLink = document.getElementById( "vocabSelectClear" + list.sublist[ index ].name );
			if ( selectClearLink && selectClearLink.style )
				selectClearLink.style.visibility = 'hidden';
		}		
	}
}
function dlese_checkParentState( list, dontRender ) {
	if ( list.parent ) {
		var noneChecked = true;
		var allChecked = true;
		for ( var i = 0; i < list.label.length; i++ )
			if ( list.checkedState[ i ] == 0 )
				allChecked = false;
			else if ( list.checkedState[ i ] == 1 )
				noneChecked = false;
			else if ( list.checkedState[ i ] == 2 )
				allChecked = noneChecked = false;
		if ( noneChecked )
			list.parent.checkedState[ list.parentIndex ] = 0;
		else if ( allChecked )
			list.parent.checkedState[ list.parentIndex ] = 1;
		else
			list.parent.checkedState[ list.parentIndex ] = 2;		
		var imgObj = document.getElementById( list.parent.name + list.parentIndex + "check" );
		if ( !dontRender && imgObj )
			imgObj.src = dlese_CHECKBOX_IMG[ list.parent.checkedState[ list.parentIndex ] ].src;		
		dlese_checkParentState( list.parent, dontRender );
	}
}
function dlese_setParentStates( list ) {
	dlese_checkParentState( list, 1 );
	for ( var i = 0; i < list.label.length; i++ ) {
		if ( list.sublist[ i ] )
			dlese_setParentStates( list.sublist[ i ] );
	}
}
function dlese_setVocabQueryString() {
	dlese_vocabQueryString = '';
	for ( var i = 0; i < dlese_allLists.length; i++ ) {
		var list = eval( dlese_allLists[ i ] );
		dlese_queryString( list );
	}
	dlese_renderVocabSelectedState();
}
function dlese_queryString( list ) {
	for ( var i = 0; i < list.label.length; i++ ) {
		if ( list.sublist[ i ] )
			dlese_queryString( list.sublist[ i ] );
		else if ( list.checkedState[ i ] == 1 ) {
			dlese_vocabQueryString += "&" + list.inputField[ i ] + "=" + list.inputValue[ i ];
		}
	}	
}
function dlese_setToVisible( list, notTopList ) {
	if ( list.groupType < 1 ) {
		var obj = getObject( list.div );
		obj.style.display = "none";
		obj.style.visibility = 'visible';
	}
	for ( var i = 0; i < list.label.length; i++ )
		if ( list.sublist[ i ] )
			dlese_setToVisible( list.sublist[ i ], true );
}
function dlese_hideList( list ) {
	var imgObj;
	if ( list.closeCall )
		eval( list.closeCall );
	if ( list.groupType < 1 )
		hideObj( list.div );
	if ( list.parent && ( list.groupType < 1 ) ) {
		imgObj = getObject( list.parent.name + list.parentIndex + "arrow" );
		if ( imgObj ) {
			if ( list.groupType == 0 )
				imgObj.src = dlese_ARROW_CLOSED.src;
			else
				imgObj.src = dlese_ARROW_CLOSED_DROPDOWN.src;
		}
	}
	for ( var i = 0; i < list.label.length; i++ ) {
		if ( list.sublist[ i ] ) {
			if ( list.sublist[ i ].groupType < 1 ) {
				imgObj = getObject( list.name + i + "arrow" );
				if ( imgObj ) {
					if ( list.sublist[ i ].groupType == 0 )
						imgObj.src = dlese_ARROW_CLOSED.src;
					else
						imgObj.src = dlese_ARROW_CLOSED_DROPDOWN.src;
				}
			}
			dlese_hideList( list.sublist[ i ] );
		}
	}
	if ( list.groupType != 1 ) {
		var selectClearLink = document.getElementById( "vocabSelectClear" + list.name );
		if ( selectClearLink && selectClearLink.style )
			selectClearLink.style.visibility = 'hidden';
	}	
}
function dlese_hideAllVocab( except ) {
	for ( var i = 0; i < dlese_allLists.length; i++ ) {
		if ( except != dlese_allLists[ i ] ) {
			var list = eval( dlese_allLists[ i ] );
			var button = eval( "document.vButton" + dlese_allListsSimpleName[ i ] );
			if ( button.isRendered ) {
				dlese_hideList( list );
			}
		}
	}
}
function dlese_selectClearAll( list ) {
	dlese_vocabsShowing = true;
	if ( dlese_allSelected( list ) )
		dlese_checkAll( list, 0 );
	else
		dlese_checkAll( list, 1 );
}
function dlese_allSelected( list ) {
	var ret = true;
	for ( var i = 0; i < list.label.length; i++ ) {
		if ( list.checkedState[ i ] == 0 )
			return false;
		if ( list.sublist[ i ] )
			ret = dlese_allSelected( list.sublist[ i ] );
	}
	return ret;
}
function dlese_checkAll( list, state ) {
	window.status = '';
	if ( state < 0 ) { // state of -1 means check parent to determine new state
		if ( list.parent.checkedState[ list.parentIndex ] == 1 ) {
			state = 0;
		}
		else {
			state = 1;
		}
	}
	for ( var i = 0; i < list.label.length; i++ ) {
		list.checkedState[ i ] = state;
		var cb = getObject( list.name + i + "check" );
		if ( cb )
			eval( "cb.src = dlese_CHECKBOX_IMG[ " + state + " ].src" );
		if ( list.sublist[ i ] )
			dlese_checkAll( list.sublist[ i ], state );
	}
	dlese_checkParentState( list );
	dlese_setVocabQueryString();
}

// "Your selections" (State feedback of what user currently has selected):
function dlese_renderVocabSelectedState() {
	var say = "";
	for ( var i = 0; i < dlese_allLists.length; i++ ) {
		var list = eval( dlese_allLists[ i ] );
		var gvss = dlese_getVocabSelectedState( list );			
		if ( gvss ) {
			say += "<span>" + list.groupLabelAbbrev + ":</span> " + gvss + " + ";
		}
	}
	if ( say ) {
		var ind = say.lastIndexOf( ' + ' );
		if ( ind > -1 )
			say = say.substring( 0, ind );
	}	
	if ( document.images.clearAll ) {
		if ( !say ) {
			document.images.clearAll.src = dlese_CLEAR_ALL_BUTTON_GREYED_OUT;
		}
		else {
			document.images.clearAll.src = dlese_CLEAR_ALL_BUTTON;
		}
	}
	var obj = document.getElementById( "dlese_selectedCriteria" );
	if ( obj ) {
		obj.style.color = '#000042';		
		obj.innerHTML = say; 
	}
}
function dlese_getVocabSelectedState( list ) {
	var ret = '';
	var allSelected = true;
	for ( var i = 0; i < list.label.length; i++ ) {
		if ( list.checkedState[ i ] == 1 ) {
			if ( !list.sublist[ i ] )
				ret += list.labelAbbrev[ i ] + ", ";
			else
				ret += list.labelAbbrev[ i ] + " (all), ";
		}
		else if ( list.checkedState[ i ] == 2 ) {
			ret += list.labelAbbrev[ i ] + " (some), ";
			allSelected = false;
		}
		else
			allSelected = false;
	}
	if ( allSelected )
		return 'All';
	if ( ret ) {
		var ind = ret.lastIndexOf( ', ' );
		if ( ind > -1 )
			ret = ret.substring( 0, ind );
	}
	return ret;
}
function dlese_clearAllVocabs() {
	document.images.clearAll.src = dlese_CLEAR_ALL_BUTTON_GREYED_OUT;
	var obj = document.getElementById( "dlese_selectedCriteria" );
	if ( obj ) 
		obj.innerHTML = ''; 
	setTimeout( "dlese_doClearAll()", 10 );
}
function dlese_doClearAll() {
	for ( var i = 0; i < dlese_allLists.length; i++ ) {
		var button = eval( "document.vButton" + dlese_allListsSimpleName[ i ] );
		dlese_clearList( eval( dlese_allLists[ i ] ), button.isRendered );
	}
	dlese_setVocabQueryString();
}
function dlese_clearList( list, isRendered ) {
	for ( var i = 0; i < list.label.length; i++ ) {
		list.checkedState[ i ] = 0;
		if ( isRendered ) {
			var imgObj = document.getElementById( list.name + i + "check" );
			if ( imgObj )
				imgObj.src = dlese_CHECKBOX_IMG[ 0 ].src;
		}
		if ( list.sublist[ i ] )
			dlese_clearList( list.sublist[ i ], isRendered );
	}
}
function dlese_showSelectClearLinksIfGroupTwo() {
	for ( var i = 0; i < dlese_allLists.length; i++ ) {
		var list = eval( dlese_allLists[ i ] );
		dlese_showSelectClearForList( list );
	}
}
function dlese_showSelectClearForList( list ) {
	if ( list.groupType == 1 ) {
		var selectClearLink = document.getElementById( "vocabSelectClear" + list.name );
		if ( selectClearLink && selectClearLink.style ) {
			selectClearLink.style.visibility = 'visible';
		}
	}
	for ( var i = 0; i < list.label.length; i++ ) {
		if ( list.sublist[ i ] )
			dlese_showSelectClearForList( list.sublist[ i ] )
	}
}
function dlese_renderVocabButtonsDiv() {
	document.writeln( "<div id='dlese_vocabButtons' class='dlese_vocabButtonsDiv' onClick='dlese_vocabsShowing = true;'>&nbsp;</div>" );
	document.writeln( "<div id='dlese_vocabDescriptions' class='dlese_vocabDescription'>&nbsp;</div>" );
}