python/helpers/docutils/writers/s5_html/themes/default/slides.js - platform/tools/idea - Git at Google

 // S5 v1.1 slides.js -- released into the Public Domain
 // Modified for Docutils (http://docutils.sf.net) by David Goodger
 //
 // Please see http://www.meyerweb.com/eric/tools/s5/credits.html for
 // information about all the wonderful and talented contributors to this code!

 var undef;
 var slideCSS = '';
 var snum = 0;
 var smax = 1;
 var slideIDs = new Array();
 var incpos = 0;
 var number = undef;
 var s5mode = true;
 var defaultView = 'slideshow';
 var controlVis = 'visible';

 var isIE = navigator.appName == 'Microsoft Internet Explorer' ? 1 : 0;
 var isOp = navigator.userAgent.indexOf('Opera') > -1 ? 1 : 0;
 var isGe = navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('Safari') < 1 ? 1 : 0;

 function hasClass(object, className) {
 	if (!object.className) return false;
 	return (object.className.search('(^|\\s)' + className + '(\\s|$)') != -1);
 }

 function hasValue(object, value) {
 	if (!object) return false;
 	return (object.search('(^|\\s)' + value + '(\\s|$)') != -1);
 }

 function removeClass(object,className) {
 	if (!object) return;
 	object.className = object.className.replace(new RegExp('(^|\\s)'+className+'(\\s|$)'), RegExp.$1+RegExp.$2);
 }

 function addClass(object,className) {
 	if (!object || hasClass(object, className)) return;
 	if (object.className) {
 		object.className += ' '+className;
 	} else {
 		object.className = className;
 	}
 }

 function GetElementsWithClassName(elementName,className) {
 	var allElements = document.getElementsByTagName(elementName);
 	var elemColl = new Array();
 	for (var i = 0; i< allElements.length; i++) {
 		if (hasClass(allElements[i], className)) {
 			elemColl[elemColl.length] = allElements[i];
 		}
 	}
 	return elemColl;
 }

 function isParentOrSelf(element, id) {
 	if (element == null || element.nodeName=='BODY') return false;
 	else if (element.id == id) return true;
 	else return isParentOrSelf(element.parentNode, id);
 }

 function nodeValue(node) {
 	var result = "";
 	if (node.nodeType == 1) {
 		var children = node.childNodes;
 		for (var i = 0; i < children.length; ++i) {
 			result += nodeValue(children[i]);
 		}
 	}
 	else if (node.nodeType == 3) {
 		result = node.nodeValue;
 	}
 	return(result);
 }

 function slideLabel() {
 	var slideColl = GetElementsWithClassName('*','slide');
 	var list = document.getElementById('jumplist');
 	smax = slideColl.length;
 	for (var n = 0; n < smax; n++) {
 		var obj = slideColl[n];

 		var did = 'slide' + n.toString();
 		if (obj.getAttribute('id')) {
 			slideIDs[n] = obj.getAttribute('id');
 		}
 		else {
 			obj.setAttribute('id',did);
 			slideIDs[n] = did;
 		}
 		if (isOp) continue;

 		var otext = '';
 		var menu = obj.firstChild;
 		if (!menu) continue; // to cope with empty slides
 		while (menu && menu.nodeType == 3) {
 			menu = menu.nextSibling;
 		}
 	 	if (!menu) continue; // to cope with slides with only text nodes

 		var menunodes = menu.childNodes;
 		for (var o = 0; o < menunodes.length; o++) {
 			otext += nodeValue(menunodes[o]);
 		}
 		list.options[list.length] = new Option(n + ' : '  + otext, n);
 	}
 }

 function currentSlide() {
 	var cs;
 	var footer_nodes;
 	var vis = 'visible';
 	if (document.getElementById) {
 		cs = document.getElementById('currentSlide');
 		footer_nodes = document.getElementById('footer').childNodes;
 	} else {
 		cs = document.currentSlide;
 		footer = document.footer.childNodes;
 	}
 	cs.innerHTML = '<span id="csHere">' + snum + '<\/span> ' +
 		'<span id="csSep">\/<\/span> ' +
 		'<span id="csTotal">' + (smax-1) + '<\/span>';
 	if (snum == 0) {
 		vis = 'hidden';
 	}
 	cs.style.visibility = vis;
 	for (var i = 0; i < footer_nodes.length; i++) {
 		if (footer_nodes[i].nodeType == 1) {
 			footer_nodes[i].style.visibility = vis;
 		}
 	}
 }

 function go(step) {
 	if (document.getElementById('slideProj').disabled || step == 0) return;
 	var jl = document.getElementById('jumplist');
 	var cid = slideIDs[snum];
 	var ce = document.getElementById(cid);
 	if (incrementals[snum].length > 0) {
 		for (var i = 0; i < incrementals[snum].length; i++) {
 			removeClass(incrementals[snum][i], 'current');
 			removeClass(incrementals[snum][i], 'incremental');
 		}
 	}
 	if (step != 'j') {
 		snum += step;
 		lmax = smax - 1;
 		if (snum > lmax) snum = lmax;
 		if (snum < 0) snum = 0;
 	} else
 		snum = parseInt(jl.value);
 	var nid = slideIDs[snum];
 	var ne = document.getElementById(nid);
 	if (!ne) {
 		ne = document.getElementById(slideIDs[0]);
 		snum = 0;
 	}
 	if (step < 0) {incpos = incrementals[snum].length} else {incpos = 0;}
 	if (incrementals[snum].length > 0 && incpos == 0) {
 		for (var i = 0; i < incrementals[snum].length; i++) {
 			if (hasClass(incrementals[snum][i], 'current'))
 				incpos = i + 1;
 			else
 				addClass(incrementals[snum][i], 'incremental');
 		}
 	}
 	if (incrementals[snum].length > 0 && incpos > 0)
 		addClass(incrementals[snum][incpos - 1], 'current');
 	ce.style.visibility = 'hidden';
 	ne.style.visibility = 'visible';
 	jl.selectedIndex = snum;
 	currentSlide();
 	number = 0;
 }

 function goTo(target) {
 	if (target >= smax || target == snum) return;
 	go(target - snum);
 }

 function subgo(step) {
 	if (step > 0) {
 		removeClass(incrementals[snum][incpos - 1],'current');
 		removeClass(incrementals[snum][incpos], 'incremental');
 		addClass(incrementals[snum][incpos],'current');
 		incpos++;
 	} else {
 		incpos--;
 		removeClass(incrementals[snum][incpos],'current');
 		addClass(incrementals[snum][incpos], 'incremental');
 		addClass(incrementals[snum][incpos - 1],'current');
 	}
 }

 function toggle() {
 	var slideColl = GetElementsWithClassName('*','slide');
 	var slides = document.getElementById('slideProj');
 	var outline = document.getElementById('outlineStyle');
 	if (!slides.disabled) {
 		slides.disabled = true;
 		outline.disabled = false;
 		s5mode = false;
 		fontSize('1em');
 		for (var n = 0; n < smax; n++) {
 			var slide = slideColl[n];
 			slide.style.visibility = 'visible';
 		}
 	} else {
 		slides.disabled = false;
 		outline.disabled = true;
 		s5mode = true;
 		fontScale();
 		for (var n = 0; n < smax; n++) {
 			var slide = slideColl[n];
 			slide.style.visibility = 'hidden';
 		}
 		slideColl[snum].style.visibility = 'visible';
 	}
 }

 function showHide(action) {
 	var obj = GetElementsWithClassName('*','hideme')[0];
 	switch (action) {
 	case 's': obj.style.visibility = 'visible'; break;
 	case 'h': obj.style.visibility = 'hidden'; break;
 	case 'k':
 		if (obj.style.visibility != 'visible') {
 			obj.style.visibility = 'visible';
 		} else {
 			obj.style.visibility = 'hidden';
 		}
 	break;
 	}
 }

 // 'keys' code adapted from MozPoint (http://mozpoint.mozdev.org/)
 function keys(key) {
 	if (!key) {
 		key = event;
 		key.which = key.keyCode;
 	}
 	if (key.which == 84) {
 		toggle();
 		return;
 	}
 	if (s5mode) {
 		switch (key.which) {
 			case 10: // return
 			case 13: // enter
 				if (window.event && isParentOrSelf(window.event.srcElement, 'controls')) return;
 				if (key.target && isParentOrSelf(key.target, 'controls')) return;
 				if(number != undef) {
 					goTo(number);
 					break;
 				}
 			case 32: // spacebar
 			case 34: // page down
 			case 39: // rightkey
 			case 40: // downkey
 				if(number != undef) {
 					go(number);
 				} else if (!incrementals[snum] || incpos >= incrementals[snum].length) {
 					go(1);
 				} else {
 					subgo(1);
 				}
 				break;
 			case 33: // page up
 			case 37: // leftkey
 			case 38: // upkey
 				if(number != undef) {
 					go(-1 * number);
 				} else if (!incrementals[snum] || incpos <= 0) {
 					go(-1);
 				} else {
 					subgo(-1);
 				}
 				break;
 			case 36: // home
 				goTo(0);
 				break;
 			case 35: // end
 				goTo(smax-1);
 				break;
 			case 67: // c
 				showHide('k');
 				break;
 		}
 		if (key.which < 48 || key.which > 57) {
 			number = undef;
 		} else {
 			if (window.event && isParentOrSelf(window.event.srcElement, 'controls')) return;
 			if (key.target && isParentOrSelf(key.target, 'controls')) return;
 			number = (((number != undef) ? number : 0) * 10) + (key.which - 48);
 		}
 	}
 	return false;
 }

 function clicker(e) {
 	number = undef;
 	var target;
 	if (window.event) {
 		target = window.event.srcElement;
 		e = window.event;
 	} else target = e.target;
     if (target.href != null || hasValue(target.rel, 'external') || isParentOrSelf(target, 'controls') || isParentOrSelf(target,'embed') || isParentOrSelf(target, 'object')) return true;
 	if (!e.which || e.which == 1) {
 		if (!incrementals[snum] || incpos >= incrementals[snum].length) {
 			go(1);
 		} else {
 			subgo(1);
 		}
 	}
 }

 function findSlide(hash) {
 	var target = document.getElementById(hash);
 	if (target) {
 		for (var i = 0; i < slideIDs.length; i++) {
 			if (target.id == slideIDs[i]) return i;
 		}
 	}
 	return null;
 }

 function slideJump() {
 	if (window.location.hash == null || window.location.hash == '') {
 		currentSlide();
 		return;
 	}
 	if (window.location.hash == null) return;
 	var dest = null;
 	dest = findSlide(window.location.hash.slice(1));
 	if (dest == null) {
 		dest = 0;
 	}
 	go(dest - snum);
 }

 function fixLinks() {
 	var thisUri = window.location.href;
 	thisUri = thisUri.slice(0, thisUri.length - window.location.hash.length);
 	var aelements = document.getElementsByTagName('A');
 	for (var i = 0; i < aelements.length; i++) {
 		var a = aelements[i].href;
 		var slideID = a.match('\#.+');
 		if ((slideID) && (slideID[0].slice(0,1) == '#')) {
 			var dest = findSlide(slideID[0].slice(1));
 			if (dest != null) {
 				if (aelements[i].addEventListener) {
 					aelements[i].addEventListener("click", new Function("e",
 						"if (document.getElementById('slideProj').disabled) return;" +
 						"go("+dest+" - snum); " +
 						"if (e.preventDefault) e.preventDefault();"), true);
 				} else if (aelements[i].attachEvent) {
 					aelements[i].attachEvent("onclick", new Function("",
 						"if (document.getElementById('slideProj').disabled) return;" +
 						"go("+dest+" - snum); " +
 						"event.returnValue = false;"));
 				}
 			}
 		}
 	}
 }

 function externalLinks() {
 	if (!document.getElementsByTagName) return;
 	var anchors = document.getElementsByTagName('a');
 	for (var i=0; i<anchors.length; i++) {
 		var anchor = anchors[i];
 		if (anchor.getAttribute('href') && hasValue(anchor.rel, 'external')) {
 			anchor.target = '_blank';
 			addClass(anchor,'external');
 		}
 	}
 }

 function createControls() {
 	var controlsDiv = document.getElementById("controls");
 	if (!controlsDiv) return;
 	var hider = ' onmouseover="showHide(\'s\');" onmouseout="showHide(\'h\');"';
 	var hideDiv, hideList = '';
 	if (controlVis == 'hidden') {
 		hideDiv = hider;
 	} else {
 		hideList = hider;
 	}
 	controlsDiv.innerHTML = '<form action="#" id="controlForm"' + hideDiv + '>' +
 	'<div id="navLinks">' +
 	'<a accesskey="t" id="toggle" href="javascript:toggle();">&#216;<\/a>' +
 	'<a accesskey="z" id="prev" href="javascript:go(-1);">&laquo;<\/a>' +
 	'<a accesskey="x" id="next" href="javascript:go(1);">&raquo;<\/a>' +
 	'<div id="navList"' + hideList + '><select id="jumplist" onchange="go(\'j\');"><\/select><\/div>' +
 	'<\/div><\/form>';
 	if (controlVis == 'hidden') {
 		var hidden = document.getElementById('navLinks');
 	} else {
 		var hidden = document.getElementById('jumplist');
 	}
 	addClass(hidden,'hideme');
 }

 function fontScale() {  // causes layout problems in FireFox that get fixed if browser's Reload is used; same may be true of other Gecko-based browsers
 	if (!s5mode) return false;
 	var vScale = 22;  // both yield 32 (after rounding) at 1024x768
 	var hScale = 32;  // perhaps should auto-calculate based on theme's declared value?
 	if (window.innerHeight) {
 		var vSize = window.innerHeight;
 		var hSize = window.innerWidth;
 	} else if (document.documentElement.clientHeight) {
 		var vSize = document.documentElement.clientHeight;
 		var hSize = document.documentElement.clientWidth;
 	} else if (document.body.clientHeight) {
 		var vSize = document.body.clientHeight;
 		var hSize = document.body.clientWidth;
 	} else {
 		var vSize = 700;  // assuming 1024x768, minus chrome and such
 		var hSize = 1024; // these do not account for kiosk mode or Opera Show
 	}
 	var newSize = Math.min(Math.round(vSize/vScale),Math.round(hSize/hScale));
 	fontSize(newSize + 'px');
 	if (isGe) {  // hack to counter incremental reflow bugs
 		var obj = document.getElementsByTagName('body')[0];
 		obj.style.display = 'none';
 		obj.style.display = 'block';
 	}
 }

 function fontSize(value) {
 	if (!(s5ss = document.getElementById('s5ss'))) {
 		if (!isIE) {
 			document.getElementsByTagName('head')[0].appendChild(s5ss = document.createElement('style'));
 			s5ss.setAttribute('media','screen, projection');
 			s5ss.setAttribute('id','s5ss');
 		} else {
 			document.createStyleSheet();
 			document.s5ss = document.styleSheets[document.styleSheets.length - 1];
 		}
 	}
 	if (!isIE) {
 		while (s5ss.lastChild) s5ss.removeChild(s5ss.lastChild);
 		s5ss.appendChild(document.createTextNode('body {font-size: ' + value + ' !important;}'));
 	} else {
 		document.s5ss.addRule('body','font-size: ' + value + ' !important;');
 	}
 }

 function notOperaFix() {
 	slideCSS = document.getElementById('slideProj').href;
 	var slides = document.getElementById('slideProj');
 	var outline = document.getElementById('outlineStyle');
 	slides.setAttribute('media','screen');
 	outline.disabled = true;
 	if (isGe) {
 		slides.setAttribute('href','null');   // Gecko fix
 		slides.setAttribute('href',slideCSS); // Gecko fix
 	}
 	if (isIE && document.styleSheets && document.styleSheets[0]) {
 		document.styleSheets[0].addRule('img', 'behavior: url(ui/default/iepngfix.htc)');
 		document.styleSheets[0].addRule('div', 'behavior: url(ui/default/iepngfix.htc)');
 		document.styleSheets[0].addRule('.slide', 'behavior: url(ui/default/iepngfix.htc)');
 	}
 }

 function getIncrementals(obj) {
 	var incrementals = new Array();
 	if (!obj)
 		return incrementals;
 	var children = obj.childNodes;
 	for (var i = 0; i < children.length; i++) {
 		var child = children[i];
 		if (hasClass(child, 'incremental')) {
 			if (child.nodeName == 'OL' || child.nodeName == 'UL') {
 				removeClass(child, 'incremental');
 				for (var j = 0; j < child.childNodes.length; j++) {
 					if (child.childNodes[j].nodeType == 1) {
 						addClass(child.childNodes[j], 'incremental');
 					}
 				}
 			} else {
 				incrementals[incrementals.length] = child;
 				removeClass(child,'incremental');
 			}
 		}
 		if (hasClass(child, 'show-first')) {
 			if (child.nodeName == 'OL' || child.nodeName == 'UL') {
 				removeClass(child, 'show-first');
 				if (child.childNodes[isGe].nodeType == 1) {
 					removeClass(child.childNodes[isGe], 'incremental');
 				}
 			} else {
 				incrementals[incrementals.length] = child;
 			}
 		}
 		incrementals = incrementals.concat(getIncrementals(child));
 	}
 	return incrementals;
 }

 function createIncrementals() {
 	var incrementals = new Array();
 	for (var i = 0; i < smax; i++) {
 		incrementals[i] = getIncrementals(document.getElementById(slideIDs[i]));
 	}
 	return incrementals;
 }

 function defaultCheck() {
 	var allMetas = document.getElementsByTagName('meta');
 	for (var i = 0; i< allMetas.length; i++) {
 		if (allMetas[i].name == 'defaultView') {
 			defaultView = allMetas[i].content;
 		}
 		if (allMetas[i].name == 'controlVis') {
 			controlVis = allMetas[i].content;
 		}
 	}
 }

 // Key trap fix, new function body for trap()
 function trap(e) {
 	if (!e) {
 		e = event;
 		e.which = e.keyCode;
 	}
 	try {
 		modifierKey = e.ctrlKey || e.altKey || e.metaKey;
 	}
 	catch(e) {
 		modifierKey = false;
 	}
 	return modifierKey || e.which == 0;
 }

 function startup() {
 	defaultCheck();
 	if (!isOp) createControls();
 	slideLabel();
 	fixLinks();
 	externalLinks();
 	fontScale();
 	if (!isOp) {
 		notOperaFix();
 		incrementals = createIncrementals();
 		slideJump();
 		if (defaultView == 'outline') {
 			toggle();
 		}
 		document.onkeyup = keys;
 		document.onkeypress = trap;
 		document.onclick = clicker;
 	}
 }

 window.onload = startup;
 window.onresize = function(){setTimeout('fontScale()', 50);}
	// S5 v1.1 slides.js -- released into the Public Domain
	// Modified for Docutils (http://docutils.sf.net) by David Goodger
	//
	// Please see http://www.meyerweb.com/eric/tools/s5/credits.html for
	// information about all the wonderful and talented contributors to this code!

	var undef;
	var slideCSS = '';
	var snum = 0;
	var smax = 1;
	var slideIDs = new Array();
	var incpos = 0;
	var number = undef;
	var s5mode = true;
	var defaultView = 'slideshow';
	var controlVis = 'visible';

	var isIE = navigator.appName == 'Microsoft Internet Explorer' ? 1 : 0;
	var isOp = navigator.userAgent.indexOf('Opera') > -1 ? 1 : 0;
	var isGe = navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('Safari') < 1 ? 1 : 0;

	function hasClass(object, className) {
	if (!object.className) return false;
	return (object.className.search('(^\|\\s)' + className + '(\\s\|$)') != -1);
	}

	function hasValue(object, value) {
	if (!object) return false;
	return (object.search('(^\|\\s)' + value + '(\\s\|$)') != -1);
	}

	function removeClass(object,className) {
	if (!object) return;
	object.className = object.className.replace(new RegExp('(^\|\\s)'+className+'(\\s\|$)'), RegExp.$1+RegExp.$2);
	}

	function addClass(object,className) {
	if (!object \|\| hasClass(object, className)) return;
	if (object.className) {
	object.className += ' '+className;
	} else {
	object.className = className;
	}
	}

	function GetElementsWithClassName(elementName,className) {
	var allElements = document.getElementsByTagName(elementName);
	var elemColl = new Array();
	for (var i = 0; i< allElements.length; i++) {
	if (hasClass(allElements[i], className)) {
	elemColl[elemColl.length] = allElements[i];
	}
	}
	return elemColl;
	}

	function isParentOrSelf(element, id) {
	if (element == null \|\| element.nodeName=='BODY') return false;
	else if (element.id == id) return true;
	else return isParentOrSelf(element.parentNode, id);
	}

	function nodeValue(node) {
	var result = "";
	if (node.nodeType == 1) {
	var children = node.childNodes;
	for (var i = 0; i < children.length; ++i) {
	result += nodeValue(children[i]);
	}
	}
	else if (node.nodeType == 3) {
	result = node.nodeValue;
	}
	return(result);
	}

	function slideLabel() {
	var slideColl = GetElementsWithClassName('*','slide');
	var list = document.getElementById('jumplist');
	smax = slideColl.length;
	for (var n = 0; n < smax; n++) {
	var obj = slideColl[n];

	var did = 'slide' + n.toString();
	if (obj.getAttribute('id')) {
	slideIDs[n] = obj.getAttribute('id');
	}
	else {
	obj.setAttribute('id',did);
	slideIDs[n] = did;
	}
	if (isOp) continue;

	var otext = '';
	var menu = obj.firstChild;
	if (!menu) continue; // to cope with empty slides
	while (menu && menu.nodeType == 3) {
	menu = menu.nextSibling;
	}
	if (!menu) continue; // to cope with slides with only text nodes

	var menunodes = menu.childNodes;
	for (var o = 0; o < menunodes.length; o++) {
	otext += nodeValue(menunodes[o]);
	}
	list.options[list.length] = new Option(n + ' : ' + otext, n);
	}
	}

	function currentSlide() {
	var cs;
	var footer_nodes;
	var vis = 'visible';
	if (document.getElementById) {
	cs = document.getElementById('currentSlide');
	footer_nodes = document.getElementById('footer').childNodes;
	} else {
	cs = document.currentSlide;
	footer = document.footer.childNodes;
	}
	cs.innerHTML = '<span id="csHere">' + snum + '<\/span> ' +
	'<span id="csSep">\/<\/span> ' +
	'<span id="csTotal">' + (smax-1) + '<\/span>';
	if (snum == 0) {
	vis = 'hidden';
	}
	cs.style.visibility = vis;
	for (var i = 0; i < footer_nodes.length; i++) {
	if (footer_nodes[i].nodeType == 1) {
	footer_nodes[i].style.visibility = vis;
	}
	}
	}

	function go(step) {
	if (document.getElementById('slideProj').disabled \|\| step == 0) return;
	var jl = document.getElementById('jumplist');
	var cid = slideIDs[snum];
	var ce = document.getElementById(cid);
	if (incrementals[snum].length > 0) {
	for (var i = 0; i < incrementals[snum].length; i++) {
	removeClass(incrementals[snum][i], 'current');
	removeClass(incrementals[snum][i], 'incremental');
	}
	}
	if (step != 'j') {
	snum += step;
	lmax = smax - 1;
	if (snum > lmax) snum = lmax;
	if (snum < 0) snum = 0;
	} else
	snum = parseInt(jl.value);
	var nid = slideIDs[snum];
	var ne = document.getElementById(nid);
	if (!ne) {
	ne = document.getElementById(slideIDs[0]);
	snum = 0;
	}
	if (step < 0) {incpos = incrementals[snum].length} else {incpos = 0;}
	if (incrementals[snum].length > 0 && incpos == 0) {
	for (var i = 0; i < incrementals[snum].length; i++) {
	if (hasClass(incrementals[snum][i], 'current'))
	incpos = i + 1;
	else
	addClass(incrementals[snum][i], 'incremental');
	}
	}
	if (incrementals[snum].length > 0 && incpos > 0)
	addClass(incrementals[snum][incpos - 1], 'current');
	ce.style.visibility = 'hidden';
	ne.style.visibility = 'visible';
	jl.selectedIndex = snum;
	currentSlide();
	number = 0;
	}

	function goTo(target) {
	if (target >= smax \|\| target == snum) return;
	go(target - snum);
	}

	function subgo(step) {
	if (step > 0) {
	removeClass(incrementals[snum][incpos - 1],'current');
	removeClass(incrementals[snum][incpos], 'incremental');
	addClass(incrementals[snum][incpos],'current');
	incpos++;
	} else {
	incpos--;
	removeClass(incrementals[snum][incpos],'current');
	addClass(incrementals[snum][incpos], 'incremental');
	addClass(incrementals[snum][incpos - 1],'current');
	}
	}

	function toggle() {
	var slideColl = GetElementsWithClassName('*','slide');
	var slides = document.getElementById('slideProj');
	var outline = document.getElementById('outlineStyle');
	if (!slides.disabled) {
	slides.disabled = true;
	outline.disabled = false;
	s5mode = false;
	fontSize('1em');
	for (var n = 0; n < smax; n++) {
	var slide = slideColl[n];
	slide.style.visibility = 'visible';
	}
	} else {
	slides.disabled = false;
	outline.disabled = true;
	s5mode = true;
	fontScale();
	for (var n = 0; n < smax; n++) {
	var slide = slideColl[n];
	slide.style.visibility = 'hidden';
	}
	slideColl[snum].style.visibility = 'visible';
	}
	}

	function showHide(action) {
	var obj = GetElementsWithClassName('*','hideme')[0];
	switch (action) {
	case 's': obj.style.visibility = 'visible'; break;
	case 'h': obj.style.visibility = 'hidden'; break;
	case 'k':
	if (obj.style.visibility != 'visible') {
	obj.style.visibility = 'visible';
	} else {
	obj.style.visibility = 'hidden';
	}
	break;
	}
	}

	// 'keys' code adapted from MozPoint (http://mozpoint.mozdev.org/)
	function keys(key) {
	if (!key) {
	key = event;
	key.which = key.keyCode;
	}
	if (key.which == 84) {
	toggle();
	return;
	}
	if (s5mode) {
	switch (key.which) {
	case 10: // return
	case 13: // enter
	if (window.event && isParentOrSelf(window.event.srcElement, 'controls')) return;
	if (key.target && isParentOrSelf(key.target, 'controls')) return;
	if(number != undef) {
	goTo(number);
	break;
	}
	case 32: // spacebar
	case 34: // page down
	case 39: // rightkey
	case 40: // downkey
	if(number != undef) {
	go(number);
	} else if (!incrementals[snum] \|\| incpos >= incrementals[snum].length) {
	go(1);
	} else {
	subgo(1);
	}
	break;
	case 33: // page up
	case 37: // leftkey
	case 38: // upkey
	if(number != undef) {
	go(-1 * number);
	} else if (!incrementals[snum] \|\| incpos <= 0) {
	go(-1);
	} else {
	subgo(-1);
	}
	break;
	case 36: // home
	goTo(0);
	break;
	case 35: // end
	goTo(smax-1);
	break;
	case 67: // c
	showHide('k');
	break;
	}
	if (key.which < 48 \|\| key.which > 57) {
	number = undef;
	} else {
	if (window.event && isParentOrSelf(window.event.srcElement, 'controls')) return;
	if (key.target && isParentOrSelf(key.target, 'controls')) return;
	number = (((number != undef) ? number : 0) * 10) + (key.which - 48);
	}
	}
	return false;
	}

	function clicker(e) {
	number = undef;
	var target;
	if (window.event) {
	target = window.event.srcElement;
	e = window.event;
	} else target = e.target;
	if (target.href != null \|\| hasValue(target.rel, 'external') \|\| isParentOrSelf(target, 'controls') \|\| isParentOrSelf(target,'embed') \|\| isParentOrSelf(target, 'object')) return true;
	if (!e.which \|\| e.which == 1) {
	if (!incrementals[snum] \|\| incpos >= incrementals[snum].length) {
	go(1);
	} else {
	subgo(1);
	}
	}
	}

	function findSlide(hash) {
	var target = document.getElementById(hash);
	if (target) {
	for (var i = 0; i < slideIDs.length; i++) {
	if (target.id == slideIDs[i]) return i;
	}
	}
	return null;
	}

	function slideJump() {
	if (window.location.hash == null \|\| window.location.hash == '') {
	currentSlide();
	return;
	}
	if (window.location.hash == null) return;
	var dest = null;
	dest = findSlide(window.location.hash.slice(1));
	if (dest == null) {
	dest = 0;
	}
	go(dest - snum);
	}

	function fixLinks() {
	var thisUri = window.location.href;
	thisUri = thisUri.slice(0, thisUri.length - window.location.hash.length);
	var aelements = document.getElementsByTagName('A');
	for (var i = 0; i < aelements.length; i++) {
	var a = aelements[i].href;
	var slideID = a.match('\#.+');
	if ((slideID) && (slideID[0].slice(0,1) == '#')) {
	var dest = findSlide(slideID[0].slice(1));
	if (dest != null) {
	if (aelements[i].addEventListener) {
	aelements[i].addEventListener("click", new Function("e",
	"if (document.getElementById('slideProj').disabled) return;" +
	"go("+dest+" - snum); " +
	"if (e.preventDefault) e.preventDefault();"), true);
	} else if (aelements[i].attachEvent) {
	aelements[i].attachEvent("onclick", new Function("",
	"if (document.getElementById('slideProj').disabled) return;" +
	"go("+dest+" - snum); " +
	"event.returnValue = false;"));
	}
	}
	}
	}
	}

	function externalLinks() {
	if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName('a');
	for (var i=0; i<anchors.length; i++) {
	var anchor = anchors[i];
	if (anchor.getAttribute('href') && hasValue(anchor.rel, 'external')) {
	anchor.target = '_blank';
	addClass(anchor,'external');
	}
	}
	}

	function createControls() {
	var controlsDiv = document.getElementById("controls");
	if (!controlsDiv) return;
	var hider = ' onmouseover="showHide(\'s\');" onmouseout="showHide(\'h\');"';
	var hideDiv, hideList = '';
	if (controlVis == 'hidden') {
	hideDiv = hider;
	} else {
	hideList = hider;
	}
	controlsDiv.innerHTML = '<form action="#" id="controlForm"' + hideDiv + '>' +
	'<div id="navLinks">' +
	'<a accesskey="t" id="toggle" href="javascript:toggle();">Ø<\/a>' +
	'<a accesskey="z" id="prev" href="javascript:go(-1);">«<\/a>' +
	'<a accesskey="x" id="next" href="javascript:go(1);">»<\/a>' +
	'<div id="navList"' + hideList + '><select id="jumplist" onchange="go(\'j\');"><\/select><\/div>' +
	'<\/div><\/form>';
	if (controlVis == 'hidden') {
	var hidden = document.getElementById('navLinks');
	} else {
	var hidden = document.getElementById('jumplist');
	}
	addClass(hidden,'hideme');
	}

	function fontScale() { // causes layout problems in FireFox that get fixed if browser's Reload is used; same may be true of other Gecko-based browsers
	if (!s5mode) return false;
	var vScale = 22; // both yield 32 (after rounding) at 1024x768
	var hScale = 32; // perhaps should auto-calculate based on theme's declared value?
	if (window.innerHeight) {
	var vSize = window.innerHeight;
	var hSize = window.innerWidth;
	} else if (document.documentElement.clientHeight) {
	var vSize = document.documentElement.clientHeight;
	var hSize = document.documentElement.clientWidth;
	} else if (document.body.clientHeight) {
	var vSize = document.body.clientHeight;
	var hSize = document.body.clientWidth;
	} else {
	var vSize = 700; // assuming 1024x768, minus chrome and such
	var hSize = 1024; // these do not account for kiosk mode or Opera Show
	}
	var newSize = Math.min(Math.round(vSize/vScale),Math.round(hSize/hScale));
	fontSize(newSize + 'px');
	if (isGe) { // hack to counter incremental reflow bugs
	var obj = document.getElementsByTagName('body')[0];
	obj.style.display = 'none';
	obj.style.display = 'block';
	}
	}

	function fontSize(value) {
	if (!(s5ss = document.getElementById('s5ss'))) {
	if (!isIE) {
	document.getElementsByTagName('head')[0].appendChild(s5ss = document.createElement('style'));
	s5ss.setAttribute('media','screen, projection');
	s5ss.setAttribute('id','s5ss');
	} else {
	document.createStyleSheet();
	document.s5ss = document.styleSheets[document.styleSheets.length - 1];
	}
	}
	if (!isIE) {
	while (s5ss.lastChild) s5ss.removeChild(s5ss.lastChild);
	s5ss.appendChild(document.createTextNode('body {font-size: ' + value + ' !important;}'));
	} else {
	document.s5ss.addRule('body','font-size: ' + value + ' !important;');
	}
	}

	function notOperaFix() {
	slideCSS = document.getElementById('slideProj').href;
	var slides = document.getElementById('slideProj');
	var outline = document.getElementById('outlineStyle');
	slides.setAttribute('media','screen');
	outline.disabled = true;
	if (isGe) {
	slides.setAttribute('href','null'); // Gecko fix
	slides.setAttribute('href',slideCSS); // Gecko fix
	}
	if (isIE && document.styleSheets && document.styleSheets[0]) {
	document.styleSheets[0].addRule('img', 'behavior: url(ui/default/iepngfix.htc)');
	document.styleSheets[0].addRule('div', 'behavior: url(ui/default/iepngfix.htc)');
	document.styleSheets[0].addRule('.slide', 'behavior: url(ui/default/iepngfix.htc)');
	}
	}

	function getIncrementals(obj) {
	var incrementals = new Array();
	if (!obj)
	return incrementals;
	var children = obj.childNodes;
	for (var i = 0; i < children.length; i++) {
	var child = children[i];
	if (hasClass(child, 'incremental')) {
	if (child.nodeName == 'OL' \|\| child.nodeName == 'UL') {
	removeClass(child, 'incremental');
	for (var j = 0; j < child.childNodes.length; j++) {
	if (child.childNodes[j].nodeType == 1) {
	addClass(child.childNodes[j], 'incremental');
	}
	}
	} else {
	incrementals[incrementals.length] = child;
	removeClass(child,'incremental');
	}
	}
	if (hasClass(child, 'show-first')) {
	if (child.nodeName == 'OL' \|\| child.nodeName == 'UL') {
	removeClass(child, 'show-first');
	if (child.childNodes[isGe].nodeType == 1) {
	removeClass(child.childNodes[isGe], 'incremental');
	}
	} else {
	incrementals[incrementals.length] = child;
	}
	}
	incrementals = incrementals.concat(getIncrementals(child));
	}
	return incrementals;
	}

	function createIncrementals() {
	var incrementals = new Array();
	for (var i = 0; i < smax; i++) {
	incrementals[i] = getIncrementals(document.getElementById(slideIDs[i]));
	}
	return incrementals;
	}

	function defaultCheck() {
	var allMetas = document.getElementsByTagName('meta');
	for (var i = 0; i< allMetas.length; i++) {
	if (allMetas[i].name == 'defaultView') {
	defaultView = allMetas[i].content;
	}
	if (allMetas[i].name == 'controlVis') {
	controlVis = allMetas[i].content;
	}
	}
	}

	// Key trap fix, new function body for trap()
	function trap(e) {
	if (!e) {
	e = event;
	e.which = e.keyCode;
	}
	try {
	modifierKey = e.ctrlKey \|\| e.altKey \|\| e.metaKey;
	}
	catch(e) {
	modifierKey = false;
	}
	return modifierKey \|\| e.which == 0;
	}

	function startup() {
	defaultCheck();
	if (!isOp) createControls();
	slideLabel();
	fixLinks();
	externalLinks();
	fontScale();
	if (!isOp) {
	notOperaFix();
	incrementals = createIncrementals();
	slideJump();
	if (defaultView == 'outline') {
	toggle();
	}
	document.onkeyup = keys;
	document.onkeypress = trap;
	document.onclick = clicker;
	}
	}

	window.onload = startup;
	window.onresize = function(){setTimeout('fontScale()', 50);}