// -----------------------------------------------------------------------------------
//
//	Lightbox v2.1AH
//	by Aldo Hoeben - http://www.hoeben.net/aldo
//	based on Lightbox v2.02
//	by Lokesh Dhakar - http://www.huddletogether.com
//	3/31/06
//
//	For more information on this script, visit:
//	http://huddletogether.com/projects/lightbox2/
//
//	Licensed under the Creative Commons Attribution 2.5 License - http://creativecommons.org/licenses/by/2.5/
//	
//	Credit also due to those who have helped, inspired, and made their code available to the public.
//	Including: Scott Upton(uptonic.com), Peter-Paul Koch(quirksmode.org), Thomas Fuchs(mir.aculo.us), and others.
//
//
// -----------------------------------------------------------------------------------
/*

	Table of Contents
	-----------------
	Configuration
	Global Variables

	Extending Built-in Objects	
	- Object.extend(Element)
	- Array.prototype.removeDuplicates()
	- Array.prototype.empty()

	Lightbox Class Declaration
	- initialize()
	- start()
	- changeImage()
	- resizeImageContainer()
	- showImage()
	- updateDetails()
	- updateNav()
	- enableKeyboardNav()
	- disableKeyboardNav()
	- keyboardAction()
	- preloadNeighborImages()
	- end()
	
	Miscellaneous Functions
	- getPageScroll()
	- getPageSize()
	- getKey()
	- listenKey()
	- showSelectBoxes()
	- hideSelectBoxes()
	- pause()
	- initLightbox()
	
	Function Calls
	- addLoadEvent(initLightbox)
	
*/
// -----------------------------------------------------------------------------------

//
//	Configuration
//
var resizeSpeed = 7;	// controls the speed of the image resizing (1=slowest and 10=fastest)

var borderSize = 10;	//if you adjust the padding in the CSS, you will need to update this variable

// -----------------------------------------------------------------------------------

//
//	Global Variables
//
var imageArray = new Array;
var activeImage;

if(resizeSpeed > 10){ resizeSpeed = 10;}
if(resizeSpeed < 1){ resizeSpeed = 1;}
resizeDuration = (11 - resizeSpeed) * 0.15;

// -----------------------------------------------------------------------------------

//
//	Additional methods for Element added by SU, Couloir
//	- further additions by Lokesh Dhakar (huddletogether.com)
//
Object.extend(Element, {
	getWidth: function(element) {
	   	element = $(element);
	   	return element.offsetWidth; 
	},
	setWidth: function(element,w) {
	   	element = $(element);
    	element.style.width = w +"px";
	},
	setHeight: function(element,h) {
   		element = $(element);
    	element.style.height = h +"px";
	},
	setTop: function(element,t) {
	   	element = $(element);
    	element.style.top = t +"px";
	},
	setSrc: function(element,src) {
    	element = $(element);
    	element.src = src; 
	},
	setHref: function(element,href) {
    	element = $(element);
    	element.href = href; 
	},
	setInnerHTML: function(element,content) {
		element = $(element);
		element.innerHTML = content;
	}
});

// -----------------------------------------------------------------------------------

//
//	Extending built-in Array object
//	- array.removeDuplicates()
//	- array.empty()
//
Array.prototype.removeDuplicates = function () {
	for(i = 1; i < this.length; i++){
		if(this[i][0] == this[i-1][0]){
			this.splice(i,1);
		}
	}
}

// -----------------------------------------------------------------------------------

Array.prototype.empty = function () {
	for(i = 0; i <= this.length; i++){
		this.shift();
	}
}

// -----------------------------------------------------------------------------------

//
//	Lightbox Class Declaration
//	- initialize()
//	- start()
//	- changeImage()
//	- resizeImageContainer()
//	- showImage()
//	- updateDetails()
//	- updateNav()
//	- enableKeyboardNav()
//	- disableKeyboardNav()
//	- keyboardNavAction()
//	- preloadNeighborImages()
//	- end()
//
//	Structuring of code inspired by Scott Upton (http://www.uptonic.com/)
//
var Lightbox = Class.create();

Lightbox.prototype = {
	
	// initialize()
	// Constructor runs on completion of the DOM loading. Loops through anchor tags looking for 
	// 'lightbox' references and applies onclick events to appropriate links. The 2nd section of
	// the function inserts html at the bottom of the page which is used to display the shadow 
	// overlay and the image container.
	//
	initialize: function() {	
		if (!document.getElementsByTagName){ return; }
		var anchors = document.getElementsByTagName('a');

		// loop through all anchor tags
		for (var i=0; i<anchors.length; i++){
			var anchor = anchors[i];
			
			var relAttribute = String(anchor.getAttribute('rel'));
			
			// use the string.match() method to catch 'lightbox' references in the rel attribute
			if (anchor.getAttribute('href') && (relAttribute.toLowerCase().match('lightbox'))){
				anchor.onclick = function () {myLightbox.start(this); return false;}
			}
		}

		// The rest of this code inserts html at the bottom of the page that looks similar to this:
		//
		//	<div id="overlay"></div>
		//	<div id="lightbox">
		//		<div id="outerImageContainer">
		//			<div id="imageContainer">
		//				<img id="lightboxImage">
		//				<div id="lightboxDiv"></div>
		//				<div id="loading"></div>
		//			</div>
		//		</div>
		//		<div id="imageDataContainer">
		//			<div id="imageData">
		//				<span id="caption"></span>
		//				<div id="nav">
		//					<span id="numberDisplay"></span>
		//					<a href="#" class="navButton" id="navPrevious">previous</a>
		//					<a href="#" class="navButton" id="navNext">next</a>
		//					<a href="#" class="navButton" id="navClose">close</a>
		//				</div>
		//			</div>
		//		</div>
		//	</div>


		var objBody = document.getElementsByTagName("body").item(0);
		
		var objOverlay = document.createElement("div");
		objOverlay.setAttribute('id','overlay');
		objOverlay.style.display = 'none';
		objOverlay.onclick = function() { myLightbox.end(); return false; }
		objBody.appendChild(objOverlay);
		
		var objLightbox = document.createElement("div");
		objLightbox.setAttribute('id','lightbox');
		objLightbox.style.display = 'none';
		objBody.appendChild(objLightbox);
	
		var objOuterImageContainer = document.createElement("div");
		objOuterImageContainer.setAttribute('id','outerImageContainer');
		objLightbox.appendChild(objOuterImageContainer);

		var objImageContainer = document.createElement("div");
		objImageContainer.setAttribute('id','imageContainer');
		objOuterImageContainer.appendChild(objImageContainer);

		var objLightboxImage = document.createElement("img");
		objLightboxImage.setAttribute('id','lightboxImage');
		objImageContainer.appendChild(objLightboxImage);

		var objLightboxDiv = document.createElement("div");
		objLightboxDiv.setAttribute('id','lightboxDiv');
		objLightboxDiv.style.display = 'none';
		objImageContainer.appendChild(objLightboxDiv);

		var objLoading = document.createElement("div");
		objLoading.setAttribute('id','loading');
		objLoading.onclick = function() { myLightbox.end(); return false; }
		objImageContainer.appendChild(objLoading);

		var objImageDataContainer = document.createElement("div");
		objImageDataContainer.setAttribute('id','imageDataContainer');
		objImageDataContainer.style.display = 'none';
		objBody.appendChild(objImageDataContainer);

		var objImageData = document.createElement("div");
		objImageData.setAttribute('id','imageData');
		objImageDataContainer.appendChild(objImageData);
		
		var objCaption = document.createElement("span");
		objCaption.setAttribute('id','caption');
		objImageData.appendChild(objCaption);

		var objNav = document.createElement("div");
		objNav.setAttribute('id','nav');
		objImageData.appendChild(objNav);

		var objNumberDisplay = document.createElement("span");
		objNumberDisplay.setAttribute('id','numberDisplay');
		objNav.appendChild(objNumberDisplay);

		var objNavPrevLink = document.createElement("a");
		objNavPrevLink.setAttribute('id','navPrev');
		objNavPrevLink.className = 'navButton';
		objNavPrevLink.setAttribute('href','#');
		objNavPrevLink.onclick = function() { myLightbox.changeImage(activeImage - 1); return false; }
		objNavPrevLink.innerHTML = "zur&uuml;ck";
		objNav.appendChild(objNavPrevLink);

		var objNavNextLink = document.createElement("a");
		objNavNextLink.setAttribute('id','navNext');
		objNavNextLink.className = 'navButton';
		objNavNextLink.setAttribute('href','#');
		objNavNextLink.onclick = function() { myLightbox.changeImage(activeImage + 1); return false; }
		objNavNextLink.innerHTML = "vor";
		objNav.appendChild(objNavNextLink);

		var objNavCloseLink = document.createElement("a");
		objNavCloseLink.setAttribute('id','navClose');
		objNavCloseLink.className = 'navButton';
		objNavCloseLink.setAttribute('href','#');
		objNavCloseLink.onclick = function() { myLightbox.end(); return false; }
		objNavCloseLink.innerHTML = "Fenster schlie&szlig;en";
		objNav.appendChild(objNavCloseLink);
	},
	
	//
	//	start()
	//	Display overlay and lightbox. If image is part of a set, add siblings to imageArray.
	//
	start: function(imageLink) {	
		imageArray = [];
		imageNum = 0;		

		if (!document.getElementsByTagName){ return; }
		var anchors = document.getElementsByTagName('a');

		// if image is NOT part of a set..
		if((imageLink.getAttribute('rel') == 'lightbox')){
			// add single image to imageArray
			imageArray.push(new Array(getSrc(imageLink.getAttribute('href')), getTitle(imageLink.getAttribute('title'))));
		} else {
		// if image is part of a set..

			// loop through anchors, find other images in set, and add them to imageArray
			for (var i=0; i<anchors.length; i++){
				var anchor = anchors[i];
				if (anchor.getAttribute('href') && (anchor.getAttribute('rel') == imageLink.getAttribute('rel'))){
					imageArray.push(new Array(getSrc(anchor.getAttribute('href')), getTitle(anchor.getAttribute('title'))));
				}
			}
			imageArray.removeDuplicates();
			while(imageArray[imageNum][0] != getSrc(imageLink.getAttribute('href'))) { imageNum++;}
		}

		hideSelectBoxes();
		updateScroll();

		// stretch overlay to fill page and fade in
		var arrayPageSize = getPageSize();
		Element.setHeight('overlay', arrayPageSize[1]);
		new Effect.Appear('overlay', { duration: 0.2, from: 0.0, to: 0.8 });

		Element.show('lightbox');

		this.changeImage(imageNum);

		Event.observe(window, 'scroll', updateScroll, false);
		Event.observe(window, 'resize', updateSize, false);
	},

	//
	//	changeImage()
	//	Hide most elements and preload image in preparation for resizing image container.
	//
	changeImage: function(imageNum) {	
		
		activeImage = imageNum;	// update global var

		// hide elements during transition
		Element.show('loading');
		Element.hide('lightboxImage');
		Element.hide('navPrev');
		Element.hide('navNext');
		Element.hide('imageDataContainer');
		Element.hide('numberDisplay');

		Element.hide('lightboxDiv');
		Element.setInnerHTML('lightboxDiv', '');
		Element.setSrc('lightboxImage', '');

		if (imageArray[activeImage][0].match(/\..{3}$/) == ".mov") {
			var pageSize = getPageSize();
			var x = pageSize[2] - 70;
			var y = pageSize[3] - 90;

			myLightbox.resizeImageContainer(x, y);
		} else {
			imgPreloader = new Image();
			
			// once image is preloaded, resize image container
			imgPreloader.onload=function(){
				var pageSize = getPageSize();
				var x = pageSize[2] - 70;
				var y = pageSize[3] - 90;

				var scaledWidth = imgPreloader.width;
				var scaledHeight = imgPreloader.height;

				if(scaledWidth > x) { 
					scaledHeight = scaledHeight * (x/scaledWidth); 
					scaledWidth = x; 
					if(scaledHeight > y) { 
						scaledWidth = scaledWidth * (y/scaledHeight); 
						scaledHeight = y; 
					}
				} 

				else if(scaledHeight > y) { 
					scaledWidth = scaledWidth * (y/scaledHeight); 
					scaledHeight = y; 
					if(scaledWidth > x) { 
						scaledHeight = scaledHeight * (x/scaledWidth); 
						scaledWidth = x;
					}
				}

				Element.setWidth('lightboxImage', scaledWidth);
				Element.setHeight('lightboxImage', scaledHeight);
				Element.setSrc('lightboxImage', imgPreloader.src);
				myLightbox.resizeImageContainer(scaledWidth, scaledHeight);
			}

			imgPreloader.src = imageArray[activeImage][0];
		}


	},

	//
	//	resizeImageContainer()
	//
	resizeImageContainer: function( imgWidth, imgHeight) {

		// get current height and width
		this.wCur = Element.getWidth('outerImageContainer');
		this.hCur = Element.getHeight('outerImageContainer');

		// scalars based on change from old to new
		this.xScale = ((imgWidth  + (borderSize * 2)) / this.wCur) * 100;
		this.yScale = ((imgHeight  + (borderSize * 2)) / this.hCur) * 100;

		// calculate size difference between new and old image, and resize if necessary
		wDiff = (this.wCur - borderSize * 2) - imgWidth;
		hDiff = (this.hCur - borderSize * 2) - imgHeight;

		if(!( hDiff == 0)){ new Effect.Scale('outerImageContainer', this.yScale, {scaleX: false, duration: resizeDuration, queue: 'front'}); }
		if(!( wDiff == 0)){ new Effect.Scale('outerImageContainer', this.xScale, {scaleY: false, delay: resizeDuration, duration: resizeDuration}); }

		// if new and old image are same size and no scaling transition is necessary, 
		// do a quick pause to prevent image flicker.
		if((hDiff == 0) && (wDiff == 0)){
			if (navigator.appVersion.indexOf("MSIE")!=-1){ pause(250); } else { pause(100);} 
		}

		this.showImage();
	},
	
	//
	//	showImage()
	//	Display image and begin preloading neighbors.
	//
	showImage: function(){
		Element.hide('loading');

		if (imageArray[activeImage][0].match(/\..{3}$/) != ".mov") {
			new Effect.Appear('lightboxImage', { duration: 0.5, queue: 'end', afterFinish: function(){	myLightbox.updateDetails(); } });
		} else {
			Element.show('lightboxDiv');
			new Effect.Appear('lightboxDiv', { duration: 0.5, queue: 'end', afterFinish: function(){	
				width = Element.getWidth('outerImageContainer') - 2 * borderSize;
				height = Element.getHeight('outerImageContainer') - 2 * borderSize;

				objectHTML = QT_object(imageArray[activeImage][0],width,height);
				switch(getcookie("plugin")) {
					case "dvl":
						objectHTML = DVL_object(imageArray[activeImage][0],width,height);
						break;
					case "spv":
						objectHTML = SPV_object("/flexixtra/"+getNode(imageArray[activeImage][1])+"/2/spv.xml",width,height);
						break;
					case "ptv":
						objectHTML = PTV_object("/flexixtra/"+getNode(imageArray[activeImage][1])+"/2/full.jpg",width,height);
						break;
				}
				Element.setInnerHTML('lightboxDiv',objectHTML);

				myLightbox.updateDetails();
			} });
		}

		this.preloadNeighborImages();
	},

	//
	//	updateDetails()
	//	Display caption, image number, and bottom nav.
	//
	updateDetails: function() {
		Element.show('caption');
		Element.setInnerHTML( 'caption', imageArray[activeImage][1]);
		
		// if image is part of set display 'Panorama x von x' 
		if(imageArray.length > 1){
			Element.show('numberDisplay');
			Element.setInnerHTML( 'numberDisplay', "Panorama " + eval(activeImage + 1) + " von " + imageArray.length);
		}

		myLightbox.updateNav();

		new Effect.Parallel(
			[ new Effect.SlideDown( 'imageDataContainer', { sync: true, duration: resizeDuration + 0.25, from: 0.0, to: 1.0 }), 
			  new Effect.Appear('imageDataContainer', { sync: true, duration: 1.0 }) ], 
			{ duration: 0.65, afterFinish: function(){ updateScroll(); } }
		);
	},

	//
	//	updateNav()
	//	Display appropriate previous and next hover navigation.
	//
	updateNav: function() {

		// if not first image in set, display prev image button
		if(activeImage != 0) Element.show('navPrev')

		// if not last image in set, display next image button
		if(activeImage != (imageArray.length - 1)) Element.show('navNext')
		
		this.enableKeyboardNav();
	},

	//
	//	enableKeyboardNav()
	//
	enableKeyboardNav: function() {
		document.onkeydown = this.keyboardAction; 
	},

	//
	//	disableKeyboardNav()
	//
	disableKeyboardNav: function() {
		document.onkeydown = '';
	},

	//
	//	keyboardAction()
	//
	keyboardAction: function(e) {
		if (e == null) { // ie
			keycode = event.keyCode;
		} else { // mozilla
			keycode = e.which;
		}

		key = String.fromCharCode(keycode).toLowerCase();
		
		if((keycode==27) || (key == 'x') || (key == 'o') || (key == 'c')){	// close lightbox
			myLightbox.end();
		} else if(key == 'p'){	// display previous image
			if(activeImage != 0){
				myLightbox.disableKeyboardNav();
				myLightbox.changeImage(activeImage - 1);
			}
		} else if(key == 'n'){	// display next image
			if(activeImage != (imageArray.length - 1)){
				myLightbox.disableKeyboardNav();
				myLightbox.changeImage(activeImage + 1);
			}
		}


	},

	//
	//	preloadNeighborImages()
	//	Preload previous and next images.
	//
	preloadNeighborImages: function(){

		if((imageArray.length - 1) > activeImage){
			preloadNextImage = new Image();
			preloadNextImage.src = imageArray[activeImage + 1][0];
		}
		if(activeImage > 0){
			preloadPrevImage = new Image();
			preloadPrevImage.src = imageArray[activeImage - 1][0];
		}
	
	},

	//
	//	end()
	//
	end: function() {
		Element.setInnerHTML('lightboxDiv', '<br />');
		
		Event.stopObserving(window, 'scroll', updateScroll);
		Event.stopObserving(window, 'resize', updateSize);

//		Element.setWidth('outerImageContainer',250);
//		Element.setHeight('outerImageContainer',250);

		this.disableKeyboardNav();
		Element.hide('lightbox');
		Element.hide('imageDataContainer');
		new Effect.Fade('overlay', { duration: 0.2});
		Element.setInnerHTML('lightboxDiv', '');
		showSelectBoxes();
	}
}

// -----------------------------------------------------------------------------------

//
// getPageScroll()
// Returns array with x,y page scroll values.
// Core code from - quirksmode.org
//
function getPageScroll(){

	var yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
	}

	arrayPageScroll = new Array('',yScroll) 
	return arrayPageScroll;
}

// -----------------------------------------------------------------------------------

//
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.org
// Edit for Firefox by pHaez
//
function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}


// -----------------------------------------------------------------------------------

//
// getKey(key)
// Gets keycode. If 'x' is pressed then it hides the lightbox.
//
function getKey(e){
	if (e == null) { // ie
		keycode = event.keyCode;
	} else { // mozilla
		keycode = e.which;
	}
	key = String.fromCharCode(keycode).toLowerCase();
	
	if(key == 'x'){
	}
}

// -----------------------------------------------------------------------------------

//
// listenKey()
//
function listenKey () {	document.onkeypress = getKey; }
	
// ---------------------------------------------------

function showSelectBoxes(){
	selects = document.getElementsByTagName("select");
	for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "visible";
	}
}

// ---------------------------------------------------

function hideSelectBoxes(){
	selects = document.getElementsByTagName("select");
	for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "hidden";
	}
}

// ---------------------------------------------------

//
// pause(numberMillis)
// Pauses code execution for specified time. Uses busy code, not good.
// Code from http://www.faqts.com/knowledge_base/view.phtml/aid/1602
//
function pause(numberMillis) {
	var now = new Date();
	var exitTime = now.getTime() + numberMillis;
	while (true) {
		now = new Date();
		if (now.getTime() > exitTime)
			return;
	}
}

// ---------------------------------------------------



function initLightbox() { myLightbox = new Lightbox(); }
Event.observe(window, 'load', initLightbox, false);


function updateSize() {

}

function updateScroll() {
	// calculate top offset for the lightbox and display 
	var arrayPageScroll = getPageScroll();

	Element.setTop('lightbox', arrayPageScroll[1] + 50);
	Element.setTop('imageDataContainer', arrayPageScroll[1]);
}

function getSrc(imgSrc) {
	return ((re = imgSrc.match( /[^:]\/(\/.*)$/ )) ? re[1] : imgSrc);
}

function getTitle(title) {
	var info = title.split(unescape(" %a9 "));
	if(info.length>1) {
		title = info[0];
		info = info[1].split(", (");
		credit = info[0]
		if(info.length>1) {
			info = info[1].split(",");
			title = "<a href='/node/" + parseInt(info[0]) +"' title='View full image information.'>" + title + "</a>";
			if(info.length>1) {
				credit = "<a href='/user/"+ parseInt(info[1]) +"' title='View user profile.'>" + credit + "</a>";
			}
		}
		title += " by " + credit;
	}
	return title;
}

function getNode(title) {
	return ((re = title.match( /\/node\/([0-9]*)/ )) ? re[1] : 0);
}

function QT_object(src,width,height) {
	var output = "";
	output += "<OBJECT CLASSID='clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B' CODEBASE='http://www.apple.com/qtactivex/qtplugin.cab' HEIGHT="+height+" WIDTH="+width+" >\n";
	output += "<PARAM NAME='src' VALUE='"+src+"' />\n";
	output += "<PARAM NAME='Controller' VALUE='false' />\n";
	output += "<PARAM NAME='Scale' VALUE='tofit' />\n";
	output += "<EMBED SRC='"+src+"' HEIGHT="+height+" WIDTH="+width+" TYPE='video/quicktime' PLUGINSPAGE='http://www.apple.com/quicktime/download/' CONTROLLER='false' SCALE='tofit' />\n";
	output += "</OBJECT>\n";
	return output;
}

function DVL_object(src,width,height) {
	var output = "";
	output += '<OBJECT style="WIDTH:'+width+';HEIGHT:'+height+'"';
	output += ' codebase="http://www.devalvr.com/instalacion/plugin/devalocx.cab#version=0,3,3,2"';
	output += ' height=360 width=600 classid=clsid:5D2CF9D0-113A-476B-986F-288B54571614 id=DevalVRX1>'; 
	output += '<PARAM NAME="src" VALUE="'+src+'"> '; 
	output += '<EMBED TYPE="application/x-DevalVRX" PLUGINSPAGE=';
	output += '"http://www.devalvr.com/instalacion/plugin/install.html" src="'+src+'" ';
	output += 'width='+width+' height='+height+'></EMBED></OBJECT>';
	return output;
}

function SPV_object(src,width,height) {
	var output = "";
	output += '<object classid="clsid:166B1BCA-3F9C-11CF-8075-444553540000"';
	output += ' codebase="http://download.macromedia.com/pub/shockwave/cabs/director/sw.cab#version=10,0,0,0"';
	output += ' id=spv width='+width+' height='+height+'>';
	output += '<param name=src value="/files/spv/SPi-V.dcr">';
	output += '<param name=swRemote value="swContextMenu=\'false\' ">';
	output += '<param name=swStretchStyle value=stage>';
	output += '<param name=swUrl value="'+src+'">';
	output += '<param name=bgColor value=#FFFFFF><param name=logo value=false>'; 
	output += '<embed src="/files/spv/SPi-V.dcr" bgColor=#FFFFFF logo=false swURL="'+src+'"';
	output += ' width='+width+' height='+height+' swRemote="swContextMenu=\'false\'" swStretchStyle=stage';
	output += ' type="application/x-director" pluginspage="http://www.macromedia.com/shockwave/download/"></embed>';
	output += '</object>';
	return output;
}

function PTV_object(src,width,height) {
	var output = "";
	output += '<applet code="ptviewer.class" archive="/files/ptviewer/ptviewer.jar" width='+width+' height='+height+'>';
	output += '<param name=file value="'+src+'">';
	output += '<param name=cursor value="MOVE">';
	output += '<param name=showToolbar value="true">';
	output += '<param name=imgLoadFeedback value="false">';
	output += '</applet>';
	return output;
}

function getexpirydate( nodays){
	var UTCstring;
	Today = new Date();
	nomilli=Date.parse(Today);
	Today.setTime(nomilli+nodays*24*60*60*1000);
	UTCstring = Today.toUTCString();
	return UTCstring;
}
function getcookie(cookiename) {
	var cookiestring=""+document.cookie;
	var index1=cookiestring.indexOf(cookiename);
	if (index1==-1 || cookiename=="") return ""; 
	var index2=cookiestring.indexOf(';',index1);
	if (index2==-1) index2=cookiestring.length; 
	return unescape(cookiestring.substring(index1+cookiename.length+1,index2));
}

function setcookie(name,value,duration){
	cookiestring=name+"="+escape(value)+";EXPIRES="+getexpirydate(duration);
	document.cookie=cookiestring;
	if(!getcookie(name)){
		return false;
	}
	else{
		return true;
	}
}

