[gitmo/moose-website.git] / hosted-presentations / 2007 / nothingmuch-YAPC-EU / slides / ui / slides-cc.js

// S5 v1.1 slides.js -- released under CC by-sa 2.0 license
//
// 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 snum = 0;
var smax = 1;
var incpos = 0;
var number = undef;
var s5mode = true;
var slideCSS = document.getElementById('slideProj').href;
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();
		obj.setAttribute('id',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;
	if (document.getElementById) {
		cs = document.getElementById('currentSlide');
	} else {
		cs = document.currentSlide;
	}
	cs.innerHTML = '<span id="csHere">' + snum + '<\/span> ' + 
		'<span id="csSep">\/<\/span> ' + 
		'<span id="csTotal">' + (smax-1) + '<\/span>';
	if (snum == 0) {
		cs.style.visibility = 'hidden';
	} else {
		cs.style.visibility = 'visible';
	}
}

function go(step) {
	if (document.getElementById('slideProj').disabled || step == 0) return;
	var jl = document.getElementById('jumplist');
	var cid = 'slide' + 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 = 'slide' + snum;
	var ne = document.getElementById(nid);
	if (!ne) {
		ne = document.getElementById('slide0');
		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('div','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 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);
		}
	}
}

function clicker(e) {
	number = undef;
	var target;
	if (window.event) {
		target = window.event.srcElement;
		e = window.event;
	} else target = e.target;
	if (target.getAttribute('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 = null;
	var slides = GetElementsWithClassName('*','slide');
	for (var i = 0; i < slides.length; i++) {
		var targetSlide = slides[i];
		if ( (targetSlide.name && targetSlide.name == hash)
		 || (targetSlide.id && targetSlide.id == hash) ) {
			target = targetSlide;
			break;
		}
	}
	while(target != null && target.nodeName != 'BODY') {
		if (hasClass(target, 'slide')) {
			return parseInt(target.id.slice(5));
		}
		target = target.parentNode;
	}
	return null;
}

function slideJump() {
	if (window.location.hash == null) return;
	var sregex = /^#slide(\d+)$/;
	var matches = sregex.exec(window.location.hash);
	var dest = null;
	if (matches != null) {
		dest = parseInt(matches[1]);
	} else {
		dest = findSlide(window.location.hash.slice(1));
	}
	if (dest != null)
		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('\#slide[0-9]{1,2}');
		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() {
	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
	}
}

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('slide'+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;
	}
}


//IE/Win PNG transparency hack -- ONLY WORKS FOR FOREGROUND IMAGES!
/*@cc_on
@if (@_win16 != @_win16)
@set @_win16 = false
@end
@if (@_win32 != @_win32)
@set @_win32 = false
@end
@if (@_jscript_version >= 5.5 && (@_win32 || @_win16))
window.attachEvent(
  'onload', function() {
    for (var i = 0; i < document.images.length; i++) {
      var img = document.images[i];
      var len = img.src.length;
      if ('.PNG' == img.src.substring(len - 4, len).toUpperCase()) {
        var span = {
           id: img.id
          ,className: img.className
          ,title: (img.title) ? img.title : img.alt
          ,style: 'display:inline-block;width:'
            + img.width + 'px;height:' + img.height + 'px;'
            + 'filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\''
              + img.src + '\',sizingMethod=\'scale\');'
          ,toString: function() {
            return '<span '
              + ((this.id) ? 'id="' + this.id + '" ' : '')
              + ((this.className) ? 'class="' + this.className + '" ' : '')
              + 'title="' + this.title + '" '
              + 'style="' + this.style + '"><\/span>';
          }
        }
        if ('left' == img.align)
          span.style += 'float:left;';
        if ('right' == img.align)
          span.style += 'float:right;';
        if (img.parentElement.href)
          span.style += 'cursor:hand;';
        if (0 != img.style.cssText.length)
          span.style = img.currentStyle + ';' + span.style;
        img.outerHTML = span + '';
        i--;
      }
    }
  }
  );
@end @*/

window.onload = startup;
window.onresize = function(){setTimeout('fontScale()', 50);}
Commit	Line	Data
720accfe	1	// S5 v1.1 slides.js -- released under CC by-sa 2.0 license
	2	//
	3	// Please see http://www.meyerweb.com/eric/tools/s5/credits.html for information
	4	// about all the wonderful and talented contributors to this code!
	5
	6	var undef;
	7	var snum = 0;
	8	var smax = 1;
	9	var incpos = 0;
	10	var number = undef;
	11	var s5mode = true;
	12	var slideCSS = document.getElementById('slideProj').href;
	13	var defaultView = 'slideshow';
	14	var controlVis = 'visible';
	15
	16	var isIE = navigator.appName == 'Microsoft Internet Explorer' ? 1 : 0;
	17	var isOp = navigator.userAgent.indexOf('Opera') > -1 ? 1 : 0;
	18	var isGe = navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('Safari') < 1 ? 1 : 0;
	19
	20	function hasClass(object, className) {
	21	if (!object.className) return false;
	22	return (object.className.search('(^\|\\s)' + className + '(\\s\|$)') != -1);
	23	}
	24
	25	function hasValue(object, value) {
	26	if (!object) return false;
	27	return (object.search('(^\|\\s)' + value + '(\\s\|$)') != -1);
	28	}
	29
	30	function removeClass(object,className) {
	31	if (!object) return;
	32	object.className = object.className.replace(new RegExp('(^\|\\s)'+className+'(\\s\|$)'), RegExp.$1+RegExp.$2);
	33	}
	34
	35	function addClass(object,className) {
	36	if (!object \|\| hasClass(object, className)) return;
	37	if (object.className) {
	38	object.className += ' '+className;
	39	} else {
	40	object.className = className;
	41	}
	42	}
	43
	44	function GetElementsWithClassName(elementName,className) {
	45	var allElements = document.getElementsByTagName(elementName);
	46	var elemColl = new Array();
	47	for (var i = 0; i< allElements.length; i++) {
	48	if (hasClass(allElements[i], className)) {
	49	elemColl[elemColl.length] = allElements[i];
	50	}
	51	}
	52	return elemColl;
	53	}
	54
	55	function isParentOrSelf(element, id) {
	56	if (element == null \|\| element.nodeName=='BODY') return false;
	57	else if (element.id == id) return true;
	58	else return isParentOrSelf(element.parentNode, id);
	59	}
	60
	61	function nodeValue(node) {
	62	var result = "";
	63	if (node.nodeType == 1) {
	64	var children = node.childNodes;
65	for (var i = 0; i < children.length; ++i) {
66	result += nodeValue(children[i]);
67	}
68	}
69	else if (node.nodeType == 3) {
70	result = node.nodeValue;
71	}
72	return(result);
73	}
74
75	function slideLabel() {
76	var slideColl = GetElementsWithClassName('*','slide');
77	var list = document.getElementById('jumplist');
78	smax = slideColl.length;
79	for (var n = 0; n < smax; n++) {
80	var obj = slideColl[n];
81
82	var did = 'slide' + n.toString();
83	obj.setAttribute('id',did);
84	if (isOp) continue;
85
86	var otext = '';
87	var menu = obj.firstChild;
88	if (!menu) continue; // to cope with empty slides
89	while (menu && menu.nodeType == 3) {
90	menu = menu.nextSibling;
91	}
92	if (!menu) continue; // to cope with slides with only text nodes
93
94	var menunodes = menu.childNodes;
95	for (var o = 0; o < menunodes.length; o++) {
96	otext += nodeValue(menunodes[o]);
97	}
98	list.options[list.length] = new Option(n + ' : ' + otext, n);
99	}
100	}
101
102	function currentSlide() {
103	var cs;
104	if (document.getElementById) {
105	cs = document.getElementById('currentSlide');
106	} else {
107	cs = document.currentSlide;
108	}
109	cs.innerHTML = '<span id="csHere">' + snum + '<\/span> ' +
110	'<span id="csSep">\/<\/span> ' +
111	'<span id="csTotal">' + (smax-1) + '<\/span>';
112	if (snum == 0) {
113	cs.style.visibility = 'hidden';
114	} else {
115	cs.style.visibility = 'visible';
116	}
117	}
118
119	function go(step) {
120	if (document.getElementById('slideProj').disabled \|\| step == 0) return;
121	var jl = document.getElementById('jumplist');
122	var cid = 'slide' + snum;
123	var ce = document.getElementById(cid);
124	if (incrementals[snum].length > 0) {
125	for (var i = 0; i < incrementals[snum].length; i++) {
126	removeClass(incrementals[snum][i], 'current');
127	removeClass(incrementals[snum][i], 'incremental');
128	}
129	}
130	if (step != 'j') {
131	snum += step;
132	lmax = smax - 1;
133	if (snum > lmax) snum = lmax;
134	if (snum < 0) snum = 0;
135	} else
136	snum = parseInt(jl.value);
137	var nid = 'slide' + snum;
138	var ne = document.getElementById(nid);
139	if (!ne) {
140	ne = document.getElementById('slide0');
141	snum = 0;
142	}
143	if (step < 0) {incpos = incrementals[snum].length} else {incpos = 0;}
144	if (incrementals[snum].length > 0 && incpos == 0) {
145	for (var i = 0; i < incrementals[snum].length; i++) {
146	if (hasClass(incrementals[snum][i], 'current'))
147	incpos = i + 1;
148	else
149	addClass(incrementals[snum][i], 'incremental');
150	}
151	}
152	if (incrementals[snum].length > 0 && incpos > 0)
153	addClass(incrementals[snum][incpos - 1], 'current');
154	ce.style.visibility = 'hidden';
155	ne.style.visibility = 'visible';
156	jl.selectedIndex = snum;
157	currentSlide();
158	number = 0;
159	}
160
161	function goTo(target) {
162	if (target >= smax \|\| target == snum) return;
163	go(target - snum);
164	}
165
166	function subgo(step) {
167	if (step > 0) {
168	removeClass(incrementals[snum][incpos - 1],'current');
169	removeClass(incrementals[snum][incpos], 'incremental');
170	addClass(incrementals[snum][incpos],'current');
171	incpos++;
172	} else {
173	incpos--;
174	removeClass(incrementals[snum][incpos],'current');
175	addClass(incrementals[snum][incpos], 'incremental');
176	addClass(incrementals[snum][incpos - 1],'current');
177	}
178	}
179
180	function toggle() {
181	var slideColl = GetElementsWithClassName('div','slide');
182	var slides = document.getElementById('slideProj');
183	var outline = document.getElementById('outlineStyle');
184	if (!slides.disabled) {
185	slides.disabled = true;
186	outline.disabled = false;
187	s5mode = false;
188	fontSize('1em');
189	for (var n = 0; n < smax; n++) {
190	var slide = slideColl[n];
191	slide.style.visibility = 'visible';
192	}
193	} else {
194	slides.disabled = false;
195	outline.disabled = true;
196	s5mode = true;
197	fontScale();
198	for (var n = 0; n < smax; n++) {
199	var slide = slideColl[n];
200	slide.style.visibility = 'hidden';
201	}
202	slideColl[snum].style.visibility = 'visible';
203	}
204	}
205
206	function showHide(action) {
207	var obj = GetElementsWithClassName('*','hideme')[0];
208	switch (action) {
209	case 's': obj.style.visibility = 'visible'; break;
210	case 'h': obj.style.visibility = 'hidden'; break;
211	case 'k':
212	if (obj.style.visibility != 'visible') {
213	obj.style.visibility = 'visible';
214	} else {
215	obj.style.visibility = 'hidden';
216	}
217	break;
218	}
219	}
220
221	// 'keys' code adapted from MozPoint (http://mozpoint.mozdev.org/)
222	function keys(key) {
223	if (!key) {
224	key = event;
225	key.which = key.keyCode;
226	}
227	if (key.which == 84) {
228	toggle();
229	return;
230	}
231	if (s5mode) {
232	switch (key.which) {
233	case 10: // return
234	case 13: // enter
235	if (window.event && isParentOrSelf(window.event.srcElement, 'controls')) return;
236	if (key.target && isParentOrSelf(key.target, 'controls')) return;
237	if(number != undef) {
238	goTo(number);
239	break;
240	}
241	case 32: // spacebar
242	case 34: // page down
243	case 39: // rightkey
244	case 40: // downkey
245	if(number != undef) {
246	go(number);
247	} else if (!incrementals[snum] \|\| incpos >= incrementals[snum].length) {
248	go(1);
249	} else {
250	subgo(1);
251	}
252	break;
253	case 33: // page up
254	case 37: // leftkey
255	case 38: // upkey
256	if(number != undef) {
257	go(-1 * number);
258	} else if (!incrementals[snum] \|\| incpos <= 0) {
259	go(-1);
260	} else {
261	subgo(-1);
262	}
263	break;
264	case 67: // c
265	showHide('k');
266	break;
267	}
268	if (key.which < 48 \|\| key.which > 57) {
269	number = undef;
270	} else {
271	if (window.event && isParentOrSelf(window.event.srcElement, 'controls')) return;
272	if (key.target && isParentOrSelf(key.target, 'controls')) return;
273	number = (((number != undef) ? number : 0) * 10) + (key.which - 48);
274	}
275	}
276	}
277
278	function clicker(e) {
279	number = undef;
280	var target;
281	if (window.event) {
282	target = window.event.srcElement;
283	e = window.event;
284	} else target = e.target;
285	if (target.getAttribute('href') != null \|\| hasValue(target.rel, 'external') \|\| isParentOrSelf(target, 'controls') \|\| isParentOrSelf(target,'embed') \|\| isParentOrSelf(target,'object')) return true;
286	if (!e.which \|\| e.which == 1) {
287	if (!incrementals[snum] \|\| incpos >= incrementals[snum].length) {
288	go(1);
289	} else {
290	subgo(1);
291	}
292	}
293	}
294
295	function findSlide(hash) {
296	var target = null;
297	var slides = GetElementsWithClassName('*','slide');
298	for (var i = 0; i < slides.length; i++) {
299	var targetSlide = slides[i];
300	if ( (targetSlide.name && targetSlide.name == hash)
301	\|\| (targetSlide.id && targetSlide.id == hash) ) {
302	target = targetSlide;
303	break;
304	}
305	}
306	while(target != null && target.nodeName != 'BODY') {
307	if (hasClass(target, 'slide')) {
308	return parseInt(target.id.slice(5));
309	}
310	target = target.parentNode;
311	}
312	return null;
313	}
314
315	function slideJump() {
316	if (window.location.hash == null) return;
317	var sregex = /^#slide(\d+)$/;
318	var matches = sregex.exec(window.location.hash);
319	var dest = null;
320	if (matches != null) {
321	dest = parseInt(matches[1]);
322	} else {
323	dest = findSlide(window.location.hash.slice(1));
324	}
325	if (dest != null)
326	go(dest - snum);
327	}
328
329	function fixLinks() {
330	var thisUri = window.location.href;
331	thisUri = thisUri.slice(0, thisUri.length - window.location.hash.length);
332	var aelements = document.getElementsByTagName('A');
333	for (var i = 0; i < aelements.length; i++) {
334	var a = aelements[i].href;
335	var slideID = a.match('\#slide[0-9]{1,2}');
336	if ((slideID) && (slideID[0].slice(0,1) == '#')) {
337	var dest = findSlide(slideID[0].slice(1));
338	if (dest != null) {
339	if (aelements[i].addEventListener) {
340	aelements[i].addEventListener("click", new Function("e",
341	"if (document.getElementById('slideProj').disabled) return;" +
342	"go("+dest+" - snum); " +
343	"if (e.preventDefault) e.preventDefault();"), true);
344	} else if (aelements[i].attachEvent) {
345	aelements[i].attachEvent("onclick", new Function("",
346	"if (document.getElementById('slideProj').disabled) return;" +
347	"go("+dest+" - snum); " +
348	"event.returnValue = false;"));
349	}
350	}
351	}
352	}
353	}
354
355	function externalLinks() {
356	if (!document.getElementsByTagName) return;
357	var anchors = document.getElementsByTagName('a');
358	for (var i=0; i<anchors.length; i++) {
359	var anchor = anchors[i];
360	if (anchor.getAttribute('href') && hasValue(anchor.rel, 'external')) {
361	anchor.target = '_blank';
362	addClass(anchor,'external');
363	}
364	}
365	}
366
367	function createControls() {
368	var controlsDiv = document.getElementById("controls");
369	if (!controlsDiv) return;
370	var hider = ' onmouseover="showHide(\'s\');" onmouseout="showHide(\'h\');"';
371	var hideDiv, hideList = '';
372	if (controlVis == 'hidden') {
373	hideDiv = hider;
374	} else {
375	hideList = hider;
376	}
377	controlsDiv.innerHTML = '<form action="#" id="controlForm"' + hideDiv + '>' +
378	'<div id="navLinks">' +
379	'<a accesskey="t" id="toggle" href="javascript:toggle();">Ø<\/a>' +
380	'<a accesskey="z" id="prev" href="javascript:go(-1);">«<\/a>' +
381	'<a accesskey="x" id="next" href="javascript:go(1);">»<\/a>' +
382	'<div id="navList"' + hideList + '><select id="jumplist" onchange="go(\'j\');"><\/select><\/div>' +
383	'<\/div><\/form>';
384	if (controlVis == 'hidden') {
385	var hidden = document.getElementById('navLinks');
386	} else {
387	var hidden = document.getElementById('jumplist');
388	}
389	addClass(hidden,'hideme');
390	}
391
392	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
393	if (!s5mode) return false;
394	var vScale = 22; // both yield 32 (after rounding) at 1024x768
395	var hScale = 32; // perhaps should auto-calculate based on theme's declared value?
396	if (window.innerHeight) {
397	var vSize = window.innerHeight;
398	var hSize = window.innerWidth;
399	} else if (document.documentElement.clientHeight) {
400	var vSize = document.documentElement.clientHeight;
401	var hSize = document.documentElement.clientWidth;
402	} else if (document.body.clientHeight) {
403	var vSize = document.body.clientHeight;
404	var hSize = document.body.clientWidth;
405	} else {
406	var vSize = 700; // assuming 1024x768, minus chrome and such
407	var hSize = 1024; // these do not account for kiosk mode or Opera Show
408	}
409	var newSize = Math.min(Math.round(vSize/vScale),Math.round(hSize/hScale));
410	fontSize(newSize + 'px');
411	if (isGe) { // hack to counter incremental reflow bugs
412	var obj = document.getElementsByTagName('body')[0];
413	obj.style.display = 'none';
414	obj.style.display = 'block';
415	}
416	}
417
418	function fontSize(value) {
419	if (!(s5ss = document.getElementById('s5ss'))) {
420	if (!isIE) {
421	document.getElementsByTagName('head')[0].appendChild(s5ss = document.createElement('style'));
422	s5ss.setAttribute('media','screen, projection');
423	s5ss.setAttribute('id','s5ss');
424	} else {
425	document.createStyleSheet();
426	document.s5ss = document.styleSheets[document.styleSheets.length - 1];
427	}
428	}
429	if (!isIE) {
430	while (s5ss.lastChild) s5ss.removeChild(s5ss.lastChild);
431	s5ss.appendChild(document.createTextNode('body {font-size: ' + value + ' !important;}'));
432	} else {
433	document.s5ss.addRule('body','font-size: ' + value + ' !important;');
434	}
435	}
436
437	function notOperaFix() {
438	var slides = document.getElementById('slideProj');
439	var outline = document.getElementById('outlineStyle');
440	slides.setAttribute('media','screen');
441	outline.disabled = true;
442	if (isGe) {
443	slides.setAttribute('href','null'); // Gecko fix
444	slides.setAttribute('href',slideCSS); // Gecko fix
445	}
446	}
447
448	function getIncrementals(obj) {
449	var incrementals = new Array();
450	if (!obj)
451	return incrementals;
452	var children = obj.childNodes;
453	for (var i = 0; i < children.length; i++) {
454	var child = children[i];
455	if (hasClass(child, 'incremental')) {
456	if (child.nodeName == 'OL' \|\| child.nodeName == 'UL') {
457	removeClass(child, 'incremental');
458	for (var j = 0; j < child.childNodes.length; j++) {
459	if (child.childNodes[j].nodeType == 1) {
460	addClass(child.childNodes[j], 'incremental');
461	}
462	}
463	} else {
464	incrementals[incrementals.length] = child;
465	removeClass(child,'incremental');
466	}
467	}
468	if (hasClass(child, 'show-first')) {
469	if (child.nodeName == 'OL' \|\| child.nodeName == 'UL') {
470	removeClass(child, 'show-first');
471	if (child.childNodes[isGe].nodeType == 1) {
472	removeClass(child.childNodes[isGe], 'incremental');
473	}
474	} else {
475	incrementals[incrementals.length] = child;
476	}
477	}
478	incrementals = incrementals.concat(getIncrementals(child));
479	}
480	return incrementals;
481	}
482
483	function createIncrementals() {
484	var incrementals = new Array();
485	for (var i = 0; i < smax; i++) {
486	incrementals[i] = getIncrementals(document.getElementById('slide'+i));
487	}
488	return incrementals;
489	}
490
491	function defaultCheck() {
492	var allMetas = document.getElementsByTagName('meta');
493	for (var i = 0; i< allMetas.length; i++) {
494	if (allMetas[i].name == 'defaultView') {
495	defaultView = allMetas[i].content;
496	}
497	if (allMetas[i].name == 'controlVis') {
498	controlVis = allMetas[i].content;
499	}
500	}
501	}
502
503	// Key trap fix, new function body for trap()
504	function trap(e) {
505	if (!e) {
506	e = event;
507	e.which = e.keyCode;
508	}
509	try {
510	modifierKey = e.ctrlKey \|\| e.altKey \|\| e.metaKey;
511	}
512	catch(e) {
513	modifierKey = false;
514	}
515	return modifierKey \|\| e.which == 0;
516	}
517
518	function startup() {
519	defaultCheck();
520	if (!isOp) createControls();
521	slideLabel();
522	fixLinks();
523	externalLinks();
524	fontScale();
525	if (!isOp) {
526	notOperaFix();
527	incrementals = createIncrementals();
528	slideJump();
529	if (defaultView == 'outline') {
530	toggle();
531	}
532	document.onkeyup = keys;
533	document.onkeypress = trap;
534	document.onclick = clicker;
535	}
536	}
537
538
539	//IE/Win PNG transparency hack -- ONLY WORKS FOR FOREGROUND IMAGES!
540	/*@cc_on
541	@if (@_win16 != @_win16)
542	@set @_win16 = false
543	@end
544	@if (@_win32 != @_win32)
545	@set @_win32 = false
546	@end
547	@if (@_jscript_version >= 5.5 && (@_win32 \|\| @_win16))
548	window.attachEvent(
549	'onload', function() {
550	for (var i = 0; i < document.images.length; i++) {
551	var img = document.images[i];
552	var len = img.src.length;
553	if ('.PNG' == img.src.substring(len - 4, len).toUpperCase()) {
554	var span = {
555	id: img.id
556	,className: img.className
557	,title: (img.title) ? img.title : img.alt
558	,style: 'display:inline-block;width:'
559	+ img.width + 'px;height:' + img.height + 'px;'
560	+ 'filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\''
561	+ img.src + '\',sizingMethod=\'scale\');'
562	,toString: function() {
563	return '<span '
564	+ ((this.id) ? 'id="' + this.id + '" ' : '')
565	+ ((this.className) ? 'class="' + this.className + '" ' : '')
566	+ 'title="' + this.title + '" '
567	+ 'style="' + this.style + '"><\/span>';
568	}
569	}
570	if ('left' == img.align)
571	span.style += 'float:left;';
572	if ('right' == img.align)
573	span.style += 'float:right;';
574	if (img.parentElement.href)
575	span.style += 'cursor:hand;';
576	if (0 != img.style.cssText.length)
577	span.style = img.currentStyle + ';' + span.style;
578	img.outerHTML = span + '';
579	i--;
580	}
581	}
582	}
583	);
584	@end @*/
585
586	window.onload = startup;
587	window.onresize = function(){setTimeout('fontScale()', 50);}