var isPublishShown = false;
var isSaved = false;
var isCalendarClicked = false;
var isSubmitted = false;


function getCachePreventTime() {
	 var now = new Date();
	return "&rand=" + now.getTime() + escape( Math.round( Math.random() * 10000 ) );
}

function isValidImageFormat(fileName) {
	if(fileName == "") return true;
	
	var pos = fileName.lastIndexOf(".");
	if(pos != -1) {
		var extension =  fileName.substring(pos + 1, fileName.length).toLowerCase();		
		if(extension == "gif" || extension == "jpg" || extension == "jpeg" || extension == "png" || extension == "tiff") return true;
		else return false;				
	}
	else {
		return false;
	}
}

function isValidVideoFormat(fileName) {
	if(fileName == "") return true;
	
	var pos = fileName.lastIndexOf(".");
	if(pos != -1) {
		var extension =  fileName.substring(pos + 1, fileName.length).toLowerCase();		
		if(extension == "avi" || extension == "mpg" || extension == "mpeg" || extension == "wmv" || extension == "asf" || extension == "mov" || extension == "mp4" || extension == "3gp" || extension == "divx" || extension == "flv") return true;
		else return false;				
	}
	else {
		return false;
	}
}


function isValidFileFormat(fileName, validFileFormats) {
	if (fileName == "") return true;
	if (validFileFormats == "") return false;
	
	var extension = getFileExtension(fileName);
	if (extension != "") {
		return (arrayGetIndex(validFileFormats.split(", "), extension) != -1)
	}
	else {
		return false;
	}
}

//validates pages
function validate() {
	if (document.forms[0].Title.value == '') {
		validationFailure(titleMsg);
		return false;
	}	
	
	var fileNameHeader = "";
	var fileNameThumb = "";
	
	if (document.getElementById("uploadheaderimage")) {
		if (document.getElementById("uploadheaderimage").value != "") {
			fileNameHeader = document.getElementById("uploadheaderimage").value;																					
		}
	}
	
	if (document.getElementById("uploadthumbimage")) {
		if (document.getElementById("uploadthumbimage").value != "") {
			fileNameThumb = document.getElementById("uploadthumbimage").value;																					
		}
	}
	
	if (!isValidImageFormat(fileNameHeader) || !isValidImageFormat(fileNameThumb)) {
		validationFailure(imageFormatMsg + ": <br>gif, jpg, jpeg, png, tiff!");
		return false;
	}

	
	if (pageKind == "news") {
		if (document.forms[0].NewsDate.value == '') {
			validationFailure(beginMsg);
			return false;
		}
		else {
			if (!isValidNewsDate()) {
				validationFailure(labelInvalidDate);
				return false;
			 }
		}					
	}
	else if (pageKind == "event") {
		if (document.forms[0].BeginDate.value == '') {
			validationFailure(beginMsg);
			return false;
		}
		else {
			if (!isValidEventDate()) {
				validationFailure(labelInvalidDate);
				return false;
			 }
		}					
	}
	else if (pageKind == "videos") {
		if (document.getElementById("uploadNVideo")) {
			if (document.getElementById("uploadNVideo").value != "") {
				var fileName = document.getElementById("uploadNVideo").value;
				if (!isValidFileFormat(fileName, document.getElementById("allowedfileformats").value)) {
					validationFailure(videoFormatMsg + ": <br>" + document.getElementById("allowedfileformats").value + "!");
					return false;
				}										
			}			
		}				
	}
	else if (pageKind == "excel") {
		if (document.getElementById("uploadfile")) {
			if (document.getElementById("uploadfile").value != "") {
				var fileName = document.getElementById("uploadfile").value;
				var pos = fileName.lastIndexOf(".");
				if (pos != -1) {
					var extension =  fileName.substring(pos + 1, fileName.length).toLowerCase();
					if (extension != "xls") {
						validationFailure(excelFileMsg);
						return false;
					}		
				}
				else {
					validationFailure(excelFileMsg);
					return false;
				}
			}			
		}		
	}
	
	return true;
}

//in image gallery writes name of new images
function setAttachmentNames() {	
	if(pageKind == "gallery") {		
		var pos;
		var fileName;
		
		if (document.getElementById("upload_zip")) {
			if (document.getElementById("upload_zip").value != "") {
				fileName = document.getElementById("upload_zip").value;				
				if(fileName.indexOf("\\") != - 1) {
					pos = fileName.lastIndexOf("\\");
					fileName = fileName.substring(pos + 1, fileName.length);
				}
				else if(fileName.indexOf("/") != - 1) {
					pos = fileName.lastIndexOf("/");
					fileName = fileName.substring(pos + 1, fileName.length);
				}
				document.forms[0].elements["FileName_Zip"].value = fileName;
			}
		}
		
		for(i = 1; i <= 10; i++) {
			if (document.getElementById("upload_") + i) {
				if (document.getElementById("upload_" + i).value != "") {
					fileName = document.getElementById("upload_" + i).value;
					if(fileName.indexOf("\\") != - 1) {
						pos = fileName.lastIndexOf("\\");
						fileName = fileName.substring(pos + 1, fileName.length);
					}
					else if(fileName.indexOf("/") != - 1) {
						pos = fileName.lastIndexOf("/");
						fileName = fileName.substring(pos + 1, fileName.length);
					}
					document.forms[0].elements["FileName_" + i].value = fileName;
				}
			}
		}
	}
}

//gets in image gallery changes of images and captions
function setGalleryChanges() {
	var length = imageFileNames.length;
	var imageNamesNew = "";
	for(i = 0; i < length; i++) {
		if(imageFileNames[i] != "") {
			if(imageNamesNew != "") imageNamesNew += "###";
			imageNamesNew += imageFileNames[i];
		}
	}	
	document.forms[0].ImagesFileName.value = imageNamesNew;
	
	var caption;
	var captions = "";
	for(i = 0; i < entryNumbers.length; i++) {
		if(document.getElementById("captionentry" + entryNumbers[i])) {
			caption = document.getElementById("captionentry" + entryNumbers[i]).value;
			if(caption == "") caption = "&nbsp;";
			if(captions != "") captions += "###";
			captions += caption;
		}
	}
	document.forms[0].ImagesCaption.value = captions;	
}

//gets in video gallery changes of titles, descriptions and thumbnail time
function setVideosChanges() {
	var length = videoFileNames.length;
	var videoFileNamesNew = "";
	for(i = 0; i < length; i++) {
		if(videoFileNames[i] != "") {
			if(videoFileNamesNew != "") videoFileNamesNew += "###";
			videoFileNamesNew += videoFileNames[i];
		}
	}	
	document.forms[0].VideosFileName.value = videoFileNamesNew;
	
	var val;
	var values = "";
	for(i = 0; i < entryNumbers.length; i++) {
		if(document.getElementById("titleentry" + entryNumbers[i])) {
			value = document.getElementById("titleentry" + entryNumbers[i]).value;
			if(value == "") value = " ";
			if(values != "") values += "###";
			values += value;
		}
	}
	document.forms[0].VideosTitle.value = values;	
	
	values = "";
	for(i = 0; i < entryNumbers.length; i++) {
		if(document.getElementById("descriptionentry" + entryNumbers[i])) {
			value = document.getElementById("descriptionentry" + entryNumbers[i]).value;			
			value = value.replace(/\r\n/g, "#nl#");			
			value = value.replace(/\n/g, "#nl#");		
			if(value == "") value = " ";
			if(values != "") values += "###";
			values += value;
		}
	}
	document.forms[0].VideosDescription.value = values;	
	
	values = "";
	for(i = 0; i < entryNumbers.length; i++) {
		if(document.getElementById("minuteentry" + entryNumbers[i])) {
			value = document.getElementById("minuteentry" + entryNumbers[i]).value;
			if(value == "") value = " ";
			if(values != "") values += "###";
			values += value;
		}
	}
	document.forms[0].VideosThumbnailMinute.value = values;	
	
	values = "";
	for(i = 0; i < entryNumbers.length; i++) {
		if(document.getElementById("secondentry" + entryNumbers[i])) {
			value = document.getElementById("secondentry" + entryNumbers[i]).value;
			if(value == "") value = " ";
			if(values != "") values += "###";
			values += value;
		}
	}
	document.forms[0].VideosThumbnailSecond.value = values;	
	
	values = "";
	for(i = 0; i < entryNumbers.length; i++) {
		if(document.getElementById("frameentry" + entryNumbers[i])) {
			value = document.getElementById("frameentry" + entryNumbers[i]).value;
			if(value == "") value = " ";
			if(values != "") values += "###";
			values += value;
		}
	}
	document.forms[0].VideosThumbnailFrame.value = values;	
}


//gets in youtube video gallery changes of titles, descriptions and thumbnail time
function setYouTubeVideosChanges() {
	var length = videoIDs.length;
	var videoIDsNew = "";
	for(i = 0; i < length; i++) {
		if(videoIDs[i] != "") {
			if(videoIDsNew != "") videoIDsNew += "###";
			videoIDsNew += videoIDs[i];
		}
	}	
	document.forms[0].VideosID.value = videoIDsNew;
	
	var val;
	var values = "";
	for(i = 0; i < entryNumbers.length; i++) {
		if(document.getElementById("titleentry" + entryNumbers[i])) {
			value = document.getElementById("titleentry" + entryNumbers[i]).value;
			if(value == "") value = " ";
			if(values != "") values += "###";
			values += value;
		}
	}
	document.forms[0].VideosTitle.value = values;	
	
	values = "";
	for(i = 0; i < entryNumbers.length; i++) {
		if(document.getElementById("descriptionentry" + entryNumbers[i])) {
			value = document.getElementById("descriptionentry" + entryNumbers[i]).value;			
			value = value.replace(/\r\n/g, "#nl#");			
			value = value.replace(/\n/g, "#nl#");		
			if(value == "") value = " ";
			if(values != "") values += "###";
			values += value;
		}
	}
	document.forms[0].VideosDescription.value = values;		


	values = "";
	for(i = 0; i < entryNumbers.length; i++) {
		if(document.getElementById("toyoutubeentry" + entryNumbers[i])) {
			value = document.getElementById("toyoutubeentry" + entryNumbers[i]).checked ? "1" : "0";			
			if(values != "") values += "###";
			values += value;
		}
	}
	document.forms[0].VideosToYouTube.value = values;		
	
	document.forms[0].VideosToYouTubeDelete.value = youTubeVideosToDelete;
}


//writes name of file
function setFileName(id, name) {	
	var pos;
	var fileName;
	if (document.getElementById("upload" + id)) {
		if (document.getElementById("upload" + id).value != "") {
			fileName = document.getElementById("upload" + id).value;
			if(fileName.indexOf("\\") != - 1) {
				pos = fileName.lastIndexOf("\\");
				fileName = fileName.substring(pos + 1, fileName.length);
			}
			else if(fileName.indexOf("/") != - 1) {
				pos = fileName.lastIndexOf("/");
				fileName = fileName.substring(pos + 1, fileName.length);
			}
			document.forms[0].elements[name + "Name"].value = fileName;
		}
	}
}



//deletes file
function deleteFile(id, name) {
	document.getElementById("view" + id).style.display = "none";
	document.getElementById("input" + id).style.display = "block";
	document.forms[0].elements["Is" + name + "Deleted"].value = "1";
	document.forms[0].elements[name + "Name"].value = "";
	
	//document.getElementById("tabContent").style.height = tabHeights[selectedTab] + "px";
	//var strTop = document.getElementById("ActionsBottom").style.top;
	//var aTop = strTop.slice(0, strTop.length - 2);		
	//document.getElementById("ActionsBottom").style.top = new String(aTop - parseInt(tabHeights[selectedTab]) + parseInt(tabHeights[tab])) + "px";
	//document.getElementById("ActionsBottom").style.top = new String(260 + parseInt(tabHeights[selectedTab])) + "px";
	
}


function getEditInfo() {
	isSaved = true;
	//gets html, files and starts upload of images in editor applet
	if (pageKind != "home") selectTab('body');
	if (pageKind == "gallery") {			
		setAttachmentNames();
		setGalleryChanges();
	}	
	if (pageKind == "videos") {			
		setVideosChanges();
	}	
	if (pageKind == "youtubevideos") {			
		setYouTubeVideosChanges();
	}
	if (pageKind == "home" && document.forms[0].HomeImageKind[1].checked) setFileName('homeimage', 'HomeImage');	
	else if (pageKind == "excel") setFileName('file', 'File');	
	if (pageKind == "normal" || pageKind == "newslist" || pageKind == "news" || pageKind == "eventslist" || pageKind == "event" || pageKind == "gallery" || pageKind == "excel" || pageKind == "html" || pageKind == "forward" || pageKind == "documentlist" || pageKind == "listdocument" || pageKind == "videos") setFileName('headerimage', 'HeaderImage');	
	if (pageKind == "listdocument" || pageKind == "news") setFileName('thumbimage', 'ThumbImage');	
	if (pageKind != "home" & pageKind != "html") setHTML();		
	
	if (pageKind == "gallery" && document.forms[1].uploadzip.value != "") {
		//post new gallery zip to servlet and show upload progress
		document.forms[0].Captions_Zip.value = document.forms[1].CaptionsZip.value;
		var fileNameEncoded = escape(getFileName("uploadzip"));
		document.forms[0].elements["ZipName"].value = fileNameEncoded;
		document.forms[1].elements["uploadfilename"].value = fileNameEncoded;
		initShowProcessingStatus();
		document.forms[1].submit();
	}	
	
	if (pageKind == "videos" && document.getElementById("uploadNVideo") && document.forms[1].uploadNVideo.value != "") {
		//post new video to servlet and show upload progress
		document.forms[0].NewVideoTitle.value = document.forms[1].NVideoTitle.value;		
		var value = document.forms[1].NVideoDescription.value;			
		value = value.replace(/\r\n/g, "#nl#");			
		value = value.replace(/\n/g, "#nl#");		
		if (value == "") value = " ";
		document.forms[0].NewVideoDescription.value = value;
		document.forms[0].NewVideoThumbnailMinute.value = document.forms[1].NVideoThumbnailMinute.value;
		document.forms[0].NewVideoThumbnailSecond.value = document.forms[1].NVideoThumbnailSecond.value;
		document.forms[0].NewVideoThumbnailFrame.value = document.forms[1].NVideoThumbnailFrame.value;						
		var fileNameEncoded = escape(getFileName("uploadNVideo"));
		document.forms[0].elements["NewVideoName"].value = fileNameEncoded;
		document.forms[1].elements["uploadfilename"].value = fileNameEncoded;
		initShowProcessingStatus();
		document.forms[1].submit();
	}	
	
	elementHide("contentbodymain");
	elementHide("contentbodyaddoninfobox");	
}


//saves existing document
function saveExisting() {
	if (validate()) {	
		openWaitWindow();	
		getEditInfo();		
		hideAll();		
		
		if ((pageKind != "videos" && pageKind != "gallery") || 
			(pageKind == "gallery" && document.forms[0].ZipName.value == "") ||
			(pageKind == "videos" && document.forms[0].NewVideoName.value == "")
		) {		
			//if pageKind != videos or pageKind = videos and no new video has to be uploaded, submit document
			//otherwise it will be submitted, after new video is uploaded to servlet
			initShowProcessingStatus();		
			isSubmitted = true;
			document.forms[0].submit();
		}
	}
}

//saves document into repository
function saveAndReposit() {	
	if(validate()) {		
		openWaitWindow();
		getEditInfo();
		document.forms[0].isdraft.value = '1';
		hideAll();	
		
		if ((pageKind != "videos" && pageKind != "gallery") || 
			(pageKind == "gallery" && document.forms[0].ZipName.value == "") ||
			(pageKind == "videos" && document.forms[0].NewVideoName.value == "")
		) {		
			//if pageKind != videos or pageKind = videos and no new video has to be uploaded, submit document
			//otherwise it will be submitted, after new video is uploaded to servlet
			initShowProcessingStatus();		
			isSubmitted = true;
			document.forms[0].submit();
		}
	}
}


var isPublishAlreadyShown = false;
//if is event page then publishes event
//else shows area where you can determine where to publish the document
function saveAndPublish() {
	if(validate()) {	
		
		document.forms[0].isdraft.value = '0';
		newLabel = document.forms[0].Title.value;		
			
		if (!isPublishAlreadyShown &!isEvent & !isNews) {
			newTitle = "*** " + newLabel + " ***";
			document.forms[0].LevelSort.options[document.forms[0].LevelSort.length] = new Option(newTitle, "new", false, true);
			document.forms[0].LevelSort.options.selectedIndex = document.forms[0].LevelSort.length - 1;			
		}
		isPublishAlreadyShown = true;
		isPublishShown = true;			
	

		//elementShow("contentbody");
		//elementShow("contentbodyaddonkind");
		//elementShow("contentbodymaininfo");

		elementHide("EditArea");
		elementHide("contentheader");
		elementHide("contentbody");
		elementHide("contentbodyaddonkind");
		elementHide("contentbodymaininfo");
		elementHide("contentbodyaddoninfobox");
		elementHide("contentbodyaddonrelatedlinks");
		elementHide("contentthumb");	
		elementHide("contentfile");	
		elementHide("contentexistingimages");	
		elementHide("contentnewimages");	
		elementHide("contentnewimageszip");	
		elementHide("contentexistingvideos");			
		elementHide("contentnewvideo");	
		elementHide("contentexistingyoutubevideos");			
		elementHide("contentnewyoutubevideos");	
			
		elementShow("PublishArea");
		elementShow("ChooseTable");			
		if (pageKind == "listdocument" && isManualList) elementShow("SortTable");
		else if (pageKind != "listdocument") elementShow("SortTable");
	
		if (!isEvent & !isNews) {		
			if (document.forms[0].LevelSort.length > 1) {
				elementShow("LevelSorterTop");	
				elementShow("LevelSorterUp");	
				elementShow("LevelSorterDown");	
				elementShow("LevelSorterBottom");
			}
			else {
				elementHide("LevelSorterTop");	
				elementHide("LevelSorterUp");	
				elementHide("LevelSorterDown");	
				elementHide("LevelSorterBottom");
			}
		}
					
		document.getElementById("ActionsTop").innerHTML = actionsPublish;
		document.getElementById("ActionsBottom").innerHTML = actionsPublish;
			
		if(pageKind == "listdocument") document.getElementById("ActionsBottom").style.top = "600px";  //"575px";
		else document.getElementById("ActionsBottom").style.top = "400px";   //"375px";	
	}	
}

function editCancel() {
	window.close();
}

//hides publish area and shows edit area
//is called if in document after clicking 'save and publish', 'cancel' is clicked
function editPublishCancel() {
				
		elementHide("PublishArea");
		document.getElementById("ActionsTop").innerHTML = actionsEdit;
		document.getElementById("ActionsBottom").innerHTML = actionsEdit;
		
		//hide sorter images and selectors		
		if (!isEvent & !isNews) {
			elementHide("LevelSorterTop");	
			elementHide("LevelSorterUp");	
			elementHide("LevelSorterDown");	
			elementHide("LevelSorterBottom");
		}
		elementHide("ChooseTable");
		elementHide("SortTable");



		elementShow("EditArea");		
		elementShow("content" + selectedTab);		
		if(selectedTab == "body") {
			elementShow("contentbody");
			elementShow("contentbodyaddonkind");
			elementShow("contentbodymaininfo");
			showHideAddOn();
		}			

	document.getElementById("ActionsBottom").style.top = new String(tabContentBegin + parseInt(tabHeights[selectedTab])) + "px";
	//var strTop = document.getElementById("ActionsBottom").style.top;
	//var aTop = strTop.slice(0, strTop.length - 2);		
	//document.getElementById("ActionsBottom").style.top = new String(aTop - parseInt(tabHeights[selectedTab]) + parseInt(tabHeights[tab])) + "px";
		
}


// called if edit page is closed, onBeforeUnload="return navigateAway()"
function navigateAway() {
	//In IE wird bei Click auf Kalender diese Funktion mit aufgerufen, deshalb auf isCalendarClicked checken, bei showCalendar auf true gesetzt
	if (!isSaved && !isCalendarClicked) {
		var isChanged = document.main.isChanged();
		if (pageKind == "info") isChanged = isChanged || document.info.isChanged();
		if (isChanged) {
			var msg = "--------------------------------------------------------------------\n";
			msg += changedAndNotSavedMsg
			msg += "\n--------------------------------------------------------------------";
			return msg;
		}
	}
	else {
		isCalendarClicked = false;
		isSaved = false;
	}
}

//closes wait window
//is called when page is unloaded
function closeWaitWindow() {	
	elementHide("wait");
	document.getElementsByTagName("body")[0].style.cursor = "auto";
	
	if (document.getElementById("actions")) document.getElementById("actions").style.visibility = "visible";	
	if (document.getElementById("actionstop")) document.getElementById("actionstop").style.visibility = "visible";
	if (document.getElementById("actionsbottom")) document.getElementById("actionsbottom").style.visibility = "visible";
}

// gets html and image and attachment names and writes them into fields
function setHTML() {
	if(pageKind != "home" && pageKind != "html") {	

		document.forms[0].MainHTML.value = document.main.getHTML();
		document.forms[0].newimagemultimedianames.value = document.main.getNewImageMultimediaAttachmentNames();
		document.forms[0].imagemultimedianames.value = document.main.getImageMultimediaAttachmentNames();
		document.forms[0].zoomimagenames.value = document.main.getZoomImageNames();
		if (document.forms[0].AddOnKind) {
			//if (document.forms[0].AddOnKind[1].checked) {
			if (getRadioClickedValue(document.forms[0].AddOnKind) == "i") {
				// info box
				document.forms[0].InfoHTML.value = document.info.getHTML();	
				document.forms[0].infonewimagemultimedianames.value = document.info.getNewImageMultimediaAttachmentNames();
				document.forms[0].infoimagemultimedianames.value = document.info.getImageMultimediaAttachmentNames();
				document.forms[0].infozoomimagenames.value = document.info.getZoomImageNames();
			}
		}
		
		elementHide("contentbodymain");
		elementHide("contentbodyaddoninfobox");
	}	
}


//Ajax 
var xmlHttp = null;
function createXMLHttpRequest() { 
	if (xmlHttp) xmlHttp.abort();
	xmlHttp = null;
	/*if (window.ActiveXObject) { 	
		xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); 
	}
	else if (window.XMLHttpRequest) { 
		
		xmlHttp = new XMLHttpRequest(); 
	}
	
	var req = false;*/
  	
	if(window.XMLHttpRequest){
		xmlHttp = new XMLHttpRequest();
		
		if(xmlHttp.overrideMimeType){ xmlHttp.overrideMimeType('text/xml'); }
	} 
	else if(window.ActiveXObject){
		try{ xmlHttp = new ActiveXObject("Msxml2.XMLHTTP"); }
		catch(e){
			try{ xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); }
			catch(e){}
		}
	}
}


//Homepage

function previewHomeImage() {
	var key = strRight(document.forms[0].HomeImageDesignation.value, "###");
	var adminPath = strLeftBack(strLeftBack(strLeft(window.location.href, ".nsf"), "/"), "/") + "/pc_admin.nsf";
	prepareShowHomeImageInfo(adminPath + "/HomeImagesUNID/" + key + "?OpenDocument" +  getCachePrevent());
}

function prepareShowHomeImageInfo(sUrl) {
	createXMLHttpRequest();
	xmlHttp.onreadystatechange = showHomeImageInfo;
	xmlHttp.open("GET", sUrl, true);
	xmlHttp.send(null);
}

function showHomeImageInfo() {
	if (xmlHttp.readyState == 4) {
		if (xmlHttp.status == 200) {        
			var s = "";
			s = strRight(xmlHttp.responseText, "<?xml version=\"1.0\"?>");
        
			var elemAjax = document.getElementById("homeimagepreviewajax");                

			//s = replStr(s, "<?xml version=\"1.0\"?>", "");
			elemAjax.innerHTML = s;                 
		}
		else {
			alert("Can't retrieve XML: " + xmlHttp.statusText);
		}
	}
}

function setHomeImageKind() {
	var homeImageKind = document.forms[0].HomeImageKind[0].checked ? "p" : "o";
	//alert(homeImageKind);
	if(homeImageKind == "p") swapElements("homeimageown", "homeimagepredefined");
	else swapElements("homeimagepredefined", "homeimageown");
}


function showHideNewsInput() {
	document.forms[0].NewsShow.checked ? document.getElementById("homenewsinput").style.display = "block" : document.getElementById("homenewsinput").style.display = "none";
}


function swapElements(elToHide, elToShow) {
	document.getElementById(elToHide).style.display = "none";
	document.getElementById(elToShow).style.display = "block";
}


//tabs
var tmpHTML;
var addDistActions = 25;
function selectTab(tab) {

	if(selectedTab != tab) {		
	
		var selTabImg = document.getElementById("img" + selectedTab);
		var tabImg = document.getElementById("img" + tab);
		document.getElementById("tab" + selectedTab).className = "";
		selTabImg.src = backLeftStr(selTabImg.src, "_a.gif") + "_p.gif";		
		document.getElementById("content" + selectedTab).style.visibility = "hidden";
		tabImg.src = backLeftStr(tabImg.src, "_p.gif") + "_a.gif";
		document.getElementById("tab" + tab).className = "selected";
		document.getElementById("content" + tab).style.visibility = "visible";
		
		if(selectedTab == "body") {
			elementHide("contentbodyaddonrelatedlinks");
			elementHide("contentbodyaddoninfobox");
		}
		if(tab == "body") {
			 showHideAddOn();			 			
		}

		var tabHeight = new String(tabHeights[tab] + 20 + 3);
		document.getElementById("tabContent").style.height = tabHeight + "px";
				
		document.getElementById("ActionsBottom").style.top = new String(tabContentBegin + tabHeights[tab] + 20 + 30) + "px";
		
		if(selectedTab == "existingimages" || selectedTab == "existingvideos" || selectedTab == "existingyoutubevideos") elementHide("scroller");

		selectedTab = tab;

		if(selectedTab == "existingimages" || selectedTab == "existingvideos" || selectedTab == "existingyoutubevideos") elementShow("scroller");	
		
	}

}



function setColor(fieldNameBegin, red, green, blue) {
	document.forms[0].elements[fieldNameBegin + "Red"].value = String(red);
	document.forms[0].elements[fieldNameBegin + "Green"].value = String(green);
	document.forms[0].elements[fieldNameBegin + "Blue"].value = String(blue);
}

function getRadioClickedValue(elems) {
	for (var i = 0; i < elems.length; ++i)
    		if (elems[i].checked)
      		return elems[i].value;     		
}

//when add-on-radio-button is clicked, shows selected add-on-kind
function showHideAddOn() {
	if (document.forms[0].AddOnKind) {
		var clickedValue = getRadioClickedValue(document.forms[0].AddOnKind);		
		//if (document.forms[0].AddOnKind[1].checked) {
		if (clickedValue == "i") {
			// info box
			elementHide("contentbodyaddonrelatedlinks");
			elementShow("contentbodyaddoninfobox");
		}
		//else if (document.forms[0].AddOnKind[2].checked) {
		else if (clickedValue == "r") {
			// related links
			elementShow("contentbodyaddonrelatedlinks");
			elementHide("contentbodyaddoninfobox");
		}
		else {
			//no add on
			elementHide("contentbodyaddonrelatedlinks");
			elementHide("contentbodyaddoninfobox");
		}	
	}
}

function elementShow(id)
{
    var elm = document.getElementById(id);
    if (elm) {
        elm.style.visibility = "visible";
    }
}

function elementHide(id)
{
    var elm = document.getElementById(id);
    if (elm) {
        elm.style.visibility = "hidden";
    }
}

function hideAll() {
	elementHide("EditArea");
		
	elementHide("contenthomeimage");
	elementHide("contenthometext");
	elementHide("contenthomenews");
	
	elementHide("contentheader");
	elementHide("contentbody");
	elementHide("contentbodyaddonkind");
	elementHide("contentbodymaininfo");
	elementHide("contentbodyaddoninfobox");
	elementHide("contentbodyaddonrelatedlinks");
	elementHide("contentthumb");	
	elementHide("contentfile");	
	elementHide("contentexistingimages");	
	elementHide("contentnewimages");	
	elementHide("contentnewimageszip");	
	elementHide("contentexistingvideos");	
	elementHide("contentnewvideo");	
	elementHide("contentexistingyoutubevideos");	
	elementHide("contentnewyoutubevideos");	
	
	elementHide("PublishArea");
	elementHide("ActionsTop");
	elementHide("ActionsBottom");
	elementHide("LevelSorterTop");	
	elementHide("LevelSorterUp");	
	elementHide("LevelSorterDown");	
	elementHide("LevelSorterBottom");
	elementHide("ChooseTable");
	elementHide("SortTable");
	
	elementHide("tabContent");
	elementHide("tabContainer");
	elementHide("documentinfo");
}


function setHomeTextColor(r, g, b) {
    document.forms[0].HomeTextColorRed.value = r;
    document.forms[0].HomeTextColorGreen.value = g;
    document.forms[0].HomeTextColorBlue.value = b;    
    setColorShow();
}


function setColorShow() {

	var intR = parseInt(document.forms[0].HomeTextColorRed.value);
	var intG = parseInt(document.forms[0].HomeTextColorGreen.value);
	var intB = parseInt(document.forms[0].HomeTextColorBlue.value);
	if (isNaN(intR) || intR < 0 || intR > 255) intR = 0;	
	if (isNaN(intG) || intG < 0 || intG > 255) intG = 0;
	if (isNaN(intB) || intB < 0 || intB > 255) intB = 0;
		
	document.forms[0].HomeTextColorRed.value = intR.toString();
	document.forms[0].HomeTextColorGreen.value = intG.toString();
	document.forms[0].HomeTextColorBlue.value = intB.toString();	
	
    document.getElementById("colorshow").style.backgroundColor = "rgb(" + document.forms[0].HomeTextColorRed.value + ", " + document.forms[0].HomeTextColorGreen.value + ", " + document.forms[0].HomeTextColorBlue.value + ")";
}



function getNodeValue(obj, tag) {
	if (obj.getElementsByTagName(tag)[0].firstChild)
		return obj.getElementsByTagName(tag)[0].firstChild.nodeValue;
	else
		return "&nbsp;";
}




//Processing Status

var processingStatusURL = "";
var lastSecond = -1;
var indXPos = 0;
var indXDist = 50;
var strIndWidth = indXDist.toString();
var elemPS;         
var iWidthTable = 400;

/* called when no information about progress can be retrieved from server */
function showIndeterminate() {
	if (!elemPS) elemPS = document.getElementById("processingstatus");
	html = "<p>" + labelProcessing + "</p>";	
	html += "<p>&nbsp;</p>";	
	html += getIndeterminate();			
	elemPS.innerHTML = html;		
			
	window.setTimeout("showIndeterminate()", 1000);
}



var yDistPS = -200;
function initShowProcessingStatus() {
		elemPS = document.getElementById("processingstatus");
		openProcessingWindow();
	
		processingStatusURL = strLeft(window.location.href, ".nsf") + ".nsf/ProcessingStatus/ProcessingStatus?OpenDocument"; 			
		window.setTimeout("getProcessingStatus()", 1000);
}

function initShowProcessingStatusCommon() {
			yDistPS = 0;
			initShowProcessingStatus();
}

function getProcessingStatus() {		
 	createXMLHttpRequest();		
 	if (!xmlHttp) {
		showIndeterminate();
	}
	else {
		xmlHttp.onreadystatechange = showProcessingStatus;
		xmlHttp.open("GET", processingStatusURL + getCachePreventTime(), true);
		xmlHttp.send(null);
	}
}


function showProcessingStatus() {
	var html = "";	
	var status;
	if (xmlHttp.readyState == 4) {	
		try {      //firefox sometimes throws errors     
			status = xmlHttp.status;
		}
		catch (e) {
			status = 404;
            /*alert("Network error!\nPlease try later.");
            try {
            alert("Failure: " +  + xmlHttp.statusText);
            }
            catch(e) {}*/
        	}

		if (status == 200) {     
			var response = xmlHttp.responseXML.documentElement;
			var line1 = getNodeValue(response, "line1");
			html += "<p>" + line1 + "</p>";
			var line2 = getNodeValue(response, "line2");
			html += "<p>" + line2 + "</p>";
			var progress = getNodeValue(response, "progress");			
			var iProgress = parseInt(progress);
			if (iProgress > -1) {
				var width = ((iProgress / 100) * iWidthTable).toString();
				html += "<table id=\"progressborder\" cellspacing=\"0\" cellpadding=\"0\"><tr><td>";				
				html += "<table id=\"progressshow\" style=\"width:" + width + "px\" cellspacing=\"0\" cellpadding=\"0\"><tr><td>&nbsp;</td></tr></table>";
				html += "</td></tr></table>";
				
				indXPos = 0;
				indXDist = 50
			}
			else {
				 html += getIndeterminate();
			}				
			elemPS.innerHTML = html;					
			
			window.setTimeout("getProcessingStatus()", 1000);			
			
			if (iProgress == 100 && !isSubmitted) {			
				//when file was ready uploaded to servlet and form is not yet submitted, then submit it			
				document.forms[0].submit();
				isSubmitted = true;
			}
		}
		else if (status == 404) {
			html = getIndeterminate();
			elemPS.innerHTML = html;		
			window.setTimeout("getProcessingStatus()", 1000);		
		}
		else {			
			
		}		
	}
}

function getIndeterminate() {
	var htm = "<table id=\"progressborder\" cellspacing=\"0\" cellpadding=\"0\"><tr><td><table id=\"progressshow\" style=\"width:" + strIndWidth + "px;position:relative;top:0px;left:" + indXPos.toString() + "px\" cellspacing=\"0\" cellpadding=\"0\"><tr><td>&nbsp;</td></tr></table></td></tr></table>";           
	indXPos += indXDist;
	if (indXPos == (iWidthTable -  indXDist) || indXPos == 0) indXDist *= -1;
	return htm;
}


//opens processing window
//is called when page is submitted
function openProcessingWindow() {
	var windowWidth = 418;
	var windowHeight = 120;

	var windowX;
	var windowY;
	
     if (window.innerWidth) windowX = (window.innerWidth - windowWidth) / 2;
     else windowX = (document.body.offsetWidth - windowWidth) / 2;
     	
      //if (window.innerHeight) windowY = (window.innerHeight - windowHeight) / 2;
     //else windowY = (document.body.offsetHeight - windowHeight) / 2;    
     windowY = Math.round( (viewportGetHeight() - windowHeight)/2 ) + viewportGetScrollY() + yDistPS; //- 200;	   
     if (windowY < 110) windowY = 110;
	
	elemPS = document.getElementById("processingstatus");
	elemPS.style.position = "absolute";
	elemPS.style.left = windowX + "px";
	elemPS.style.top = windowY + "px";
	elemPS.style.visibility = "visible";
}




/* returns file name of a chosen file in upload input, independent of platform of client */
function getFileName(upload) {	
	var pos;
	var fileName = "";
	if (document.getElementById(upload)) {
		if (document.getElementById(upload).value != "") {
			fileName = document.getElementById(upload).value;
			if(fileName.indexOf("\\") != - 1) {
				pos = fileName.lastIndexOf("\\");
				fileName = fileName.substring(pos + 1, fileName.length);
			}
			else if(fileName.indexOf("/") != - 1) {
				pos = fileName.lastIndexOf("/");
				fileName = fileName.substring(pos + 1, fileName.length);
			}
			return fileName;			
		}
	}
}

/* returns extension of file name */
function getFileExtension(fileName) {
	var pos = fileName.lastIndexOf(".");
		if (pos != -1) {
			return fileName.substring(pos + 1, fileName.length).toLowerCase();
		}
		else {
			return "";
		}
}



/*returns first index of an element in an array, when element is not found returns -1 */
function arrayGetIndex(array, element) {
	var length = array.length;
	var found = false;
	for(i = 0; i < length && !found; i++) if(array[i] == element) found = true;	
	if(found) i--;
	else i = -1;
	return i;
}

function swapOptions(option1, option2) {	
	var text = option1.text;
	var value = option1.value;
	var title = option1.title;
	var selected = option1.selected;
	
	option1.text = option2.text;
	option1.value = option2.value;
	option1.title = option2.title;
	option1.selected = option2.selected;	
	
	option2.text = text;
	option2.value = value;
	option2.title = title;
	option2.selected = selected;	
}



function showFailure(failureTitle, failureMsg) {
	var divFailureShow = document.createElement("div");
	divFailureShow.id = "failureShow";
	divFailureShow.style.left = "170px";
	var innerHTML = 
	innerHTML = '<div id="failureShowHeader">' ;
	innerHTML += failureTitle;
	innerHTML += '<div id="closeButton" onclick="closeFailureShow()"><a href="javascript:void(null)" onclick="closeFailureShow()"><img src="' + adminPath + 'close-button.gif" alt="x" border="0"></a></div>';
	innerHTML += '</div>';
	innerHTML += '<table>';
	innerHTML += '<tr>';
	innerHTML += '<td style="padding:7px"><img src="' + adminPath + 'msgExclamation.gif" alt="!" border="0"></td>';
	innerHTML += '<td style="padding:7px">' + failureMsg + '</td>';
	innerHTML += '</tr>';
	innerHTML += '</table>';
	innerHTML += '<span id="failureShowButton"><span><a href="javascript:void(null)" onclick="closeFailureShow()">OK</a></span></span>';
	
	divFailureShow.innerHTML = innerHTML;
	document.getElementsByTagName("body")[0].appendChild(divFailureShow);
}