var w = window, d = document, mon = screen; // globale
d.clickblock = false;

function openPublicPic(pmod, pid, ptyp, px, py, pdl) { // popup-fenster
	if (picPop != undefined) {picPop.window.focus();} else {
	var whs = (pdl == 0) ? 75 : 115;
	var ww = (px < 280) ? 280 : px+20;
	var wh = (py+whs < 150) ? 210 : py+whs;
	var bar = "no", res = "yes", stt = "no";
	var pargs = "width="+ww+",height="+wh+",scrollbars="+bar+",resizable="+res+",status="+stt;
	var purl = document.glourl+"/popup.cfm?pop="+pmod+"&"+pid+"&img_typ="+ptyp+"&img_x="+px+"&img_y="+py;
	var wnam = "PoP"+pid.split("=")[1];
	var picPop = window.open(purl,wnam,pargs);
	if (picPop) {picPop.window.focus();}}
}

function openPopUp(qry, url, nam, ww, wh, res, bar, stt) { // popup-fenster
	if (!res) {res = "yes";}
	if (!bar) {bar = "yes";}
	if (!stt) {stt = "no";}
	var pargs = "width="+ww+",height="+wh+",scrollbars="+bar+",resizable="+res+",status="+stt;
	var purl = (qry!="") ? document.glourl+"/"+url+".cfm?"+qry : document.glourl+"/"+url+".cfm";
	var popPop = window.open(purl,"PoP"+nam,pargs);
	if (popPop) {popPop.window.focus();}
}

function preloadImg() {	// bilder vorladen
	var d=document; if(d.images){ if(!d.das_p) d.das_p=new Array();
	var i,j=document.das_p.length,a=preloadImg.arguments; for(i=0; i<a.length; i++)	
	if (a[i].indexOf("#")!=0){document.das_p[j]=new Image; document.das_p[j++].src=a[i]; }}
}

function changeImg() {	// bilder wechseln
	var i,j=0,x,a=changeImg.arguments; document.das_sr=new Array; for(i=0;i<a.length;i++)
	if ((x=searchObj(a[i]))!=null){document.das_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+1];}
}

function restoreImg() {
	var i,x,a=document.das_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function searchObj(n, d) {	// objekt suchen
	var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
	d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
	if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
	for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=searchObj(n,d.layers[i].document);
	if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function changeStatus(qry) {
	var w=window;
	if (qry) { w.defaultStatus=document.url+"?"+qry; }
	else { w.defaultStatus=""; }
}

function goUrl(qry, hir) {
	var d=document,u=goUrl.arguments,url=d.url;
	  if (!hir) {location.replace(url+"?"+qry);} 
	  else if (hir=="top") {top.location.replace(url+"?"+qry);}
	  else if (hir=="blank") {window.open(url+"?"+qry);}
}
function textCounter(area, show, limit) {
	anzahl = area.value.length;
	stand = parseInt(limit-anzahl);
	if (stand < 0) {stand = 0;}
	d.getElementById(show).value = stand;
	if (anzahl>limit) {
		area_limit = area.value.substring(area.value, limit);
		area.value = area_limit;
	}
}

document.clickblock = false;
function popcon(qry, url, nam, ww, wh, argRes, argSbar) {	
	if (!argSbar) {argSbar = "yes";}
	var mw, mh, ds = document.clickblock;
	if (!ww || !wh) {ww = 600, wh = 450;}
	if (mon) {mw = mon.availWidth, mh = mon.availHeight;} else {mw = 760, mh = 460;}
	var lx = parseInt((mw-ww)/2), ty = parseInt((mh-wh)/2);
	var winArgs ="width="+ww+",height="+wh+",left="+lx+",top="+ty+",scrollbars="+argSbar+",resizable="+argRes+",status=no";
	var winUrl = document.glourl+"/"+url+".cfm?"+qry;
	if (!ds) {var winDetail = window.open(winUrl,"PopCon_"+nam,winArgs);}
	document.clickblock = true; 
	if (!ds) {setTimeout("document.clickblock = false;", 2000);}
	if (winDetail) {winDetail.window.focus();}
}
//
// listenEvent()
//
function listenEvent(act) 
{
	// listen window-eventz
	if (act) {
		if (window.addEventListener) {
			window.addEventListener('scroll', posLightbox, false);
			window.addEventListener('resize', posLightbox, false);
		} else if (window.attachEvent) {
			window.attachEvent('onscroll', posLightbox);
			window.attachEvent('onresize', posLightbox);
		} else {			
			window.onscroll = posLightbox;		
			window.onresize = posLightbox;
		}	
	} else {
		if (!window.addEventListener && !window.attachEvent) {			
			window.onscroll = '';		
			window.onresize = '';
		}			
	}
}
//
// initBevorStart() [ js_PreloadImg();initLightbox();blurAllLinks();  ]
//
function initBevorStart()
{	
	// init lightbox
	initLightbox();	
	// blur all links
	blurAllLinks();
}
/*
	Lightbox JS: Fullsize Image Overlays 
	by Lokesh Dhakar - http://www.huddletogether.com

	For more information on this script, visit:
	http://huddletogether.com/projects/lightbox/

	Licensed under the Creative Commons Attribution 2.5 License - http://creativecommons.org/licenses/by/2.5/
	(basically, do anything you want, just leave my name and link)
*/
//
// Configuration
//
// If you would like to use a custom loading image or close button reference them in the next two lines.
var loadingImage = document.locimg+'/loading.gif';		
var closeButton = document.locimg+'/close.gif';	
var overlayPNG = document.locimg+'/overlay.png';
//
// 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 if (document.documentElement.scrollHeight){ // Explorer 6 Strict Mode
		xScroll = document.documentElement.scrollWidth;
		yScroll = document.documentElement.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Quirks, Mozilla, Opera and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}	
	//if (op) yScroll = yScroll + document.body.scrollTop;	
	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;
}
//
// 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;
	}
}
//
// 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'){ hideLightbox(); }
}
//
// listenKey()
//
function listenKey () {	document.onkeypress = getKey; }
//
// showLightbox()
// Preloads images. Pleaces new image in lightbox then centers and displays.
//
function showLightbox(objLink)
{
	// rem selectstat
	remSelects();	
	// disable selects
	showhideSelects(true);
	// prep objects
	var objOverlay = document.getElementById('overlay');
	var objLightbox = document.getElementById('lightbox');
	var objCaption = document.getElementById('lightboxCaption');
	var objImage = document.getElementById('lightboxImage');
	var objLoadingImage = document.getElementById('loadingImage');
	var objLightboxDetails = document.getElementById('lightboxDetails');	
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();
	// center loadingImage if it exists
	if (objLoadingImage) {
		objLoadingImage.style.top = (arrayPageScroll[1] + ((arrayPageSize[3] - 35 - objLoadingImage.height) / 2) + 'px');
		objLoadingImage.style.left = (((arrayPageSize[0] - 20 - objLoadingImage.width) / 2) + 'px');
		objLoadingImage.style.display = 'block';
	}
	// set height of Overlay to take up whole page and show
	objOverlay.style.height = (arrayPageSize[1] + 'px');
	objOverlay.style.display = 'block';
	// preload image
	imgPreload = new Image();
	imgPreload.onload=function(){
		objImage.src = objLink.href;
		// center lightbox and make sure that the top and left values are not negative
		// and the image placed outside the viewport
		var lightboxTop = arrayPageScroll[1] + ((arrayPageSize[3] - 35 - imgPreload.height) / 2);
		var lightboxLeft = ((arrayPageSize[0] - 20 - imgPreload.width) / 2);		
		objLightbox.style.top = (lightboxTop < 0) ? "0px" : lightboxTop + "px";
		objLightbox.style.left = (lightboxLeft < 0) ? "0px" : lightboxLeft + "px";

		objLightboxDetails.style.width = imgPreload.width + 'px';		
		if(objLink.getAttribute('title')){
			objCaption.style.display = 'block';
			//objCaption.style.width = imgPreload.width + 'px';
			objCaption.innerHTML = objLink.getAttribute('title');
		} else {
			objCaption.style.display = 'none';
		}		
		// A small pause between the image loading and displaying is required with IE,
		// this prevents the previous image displaying for a short burst causing flicker.
		if (navigator.appVersion.indexOf("MSIE")!=-1){
			pause(250);
		} 
		if (objLoadingImage) {	objLoadingImage.style.display = 'none'; }
		objLightbox.style.display = 'block';
		// After image is loaded, update the overlay height as the new image might have
		// increased the overall page height.
		arrayPageSize = getPageSize();
		objOverlay.style.height = (arrayPageSize[1] + 'px');		
		// Check for 'x' keypress
		listenKey();
		return false;
	}
	imgPreload.src = objLink.href;	
}
//
// hideLightbox()
//
function hideLightbox()
{
	// get objects
	objOverlay = document.getElementById('overlay');
	objLightbox = document.getElementById('lightbox');
	// hide lightbox and overlay
	objOverlay.style.display = 'none';
	objLightbox.style.display = 'none';	
	// disable keypress listener
	document.onkeypress = '';
	// set selects (rem stats)
	showhideSelects(false);
}
//
// initLightbox()
// Function runs on window load, going through link tags looking for rel="lightbox".
// These links receive onclick events that enable the lightbox display for their targets.
// The function also inserts html markup at the top of the page which will be used as a
// container for the overlay pattern and the inline image.
//
function initLightbox()
{	
	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];
		if (anchor.getAttribute("href") && (anchor.getAttribute("rel") == "lightbox")){
			anchor.onclick = function () {showLightbox(this); return false;}
		}
	}	
	var objBody = document.getElementsByTagName("body").item(0);	
	// create overlay div and hardcode some functional styles (aesthetic styles are in CSS file)
	var objOverlay = document.createElement("div");
	objOverlay.setAttribute('id','overlay');
	objOverlay.onclick = function () {hideLightbox(); return false;}
	objOverlay.style.display = 'none';
	objOverlay.style.position = 'absolute';
	objOverlay.style.top = '0';
	objOverlay.style.left = '0';
	objOverlay.style.zIndex = '90';
 	objOverlay.style.width = '100%';	
	if (navigator.appVersion.indexOf("MSIE")!=-1){
		objOverlay.style.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src="'+overlayPNG+'", sizingMethod="scale")';
	}
	objBody.insertBefore(objOverlay, objBody.firstChild);	
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();
	// preload and create loader image
	var imgPreloader = new Image();	
	// if loader image found, create link to hide lightbox and create loadingimage
	imgPreloader.onload=function(){
		var objLoadingImageLink = document.createElement("a");
		objLoadingImageLink.setAttribute('href','#');
		objLoadingImageLink.onclick = function () {hideLightbox(); return false;}
		objOverlay.appendChild(objLoadingImageLink);		
		var objLoadingImage = document.createElement("img");
		objLoadingImage.src = loadingImage;
		objLoadingImage.setAttribute('id','loadingImage');
		objLoadingImage.style.position = 'absolute';
		objLoadingImage.style.zIndex = '150';
		objLoadingImageLink.appendChild(objLoadingImage);
		imgPreloader.onload=function(){};	//	clear onLoad, as IE will flip out w/animated gifs
		return false;
	}
	imgPreloader.src = loadingImage;
	// create lightbox div, same note about styles as above
	var objLightbox = document.createElement("div");
	objLightbox.setAttribute('id','lightbox');
	objLightbox.style.display = 'none';
	objLightbox.style.position = 'absolute';
	objLightbox.style.zIndex = '100';	
	objBody.insertBefore(objLightbox, objOverlay.nextSibling);	
	// create link
	var objLink = document.createElement("a");
	objLink.setAttribute('href','#');
	objLink.setAttribute('title','Click to close');
	objLink.onclick = function () {hideLightbox(); return false;}
	objLightbox.appendChild(objLink);
	// preload and create close button image
	var imgPreloadCloseButton = new Image();
	// if close button image found, 
	imgPreloadCloseButton.onload=function(){
		var objCloseButton = document.createElement("img");
		objCloseButton.src = closeButton;
		objCloseButton.setAttribute('id','closeButton');
		objCloseButton.style.position = 'absolute';
		objCloseButton.style.zIndex = '200';
		objLink.appendChild(objCloseButton);
		return false;
	}
	imgPreloadCloseButton.src = closeButton;
	// create image
	var objImage = document.createElement("img");
	objImage.setAttribute('id','lightboxImage');
	objLink.appendChild(objImage);	
	// create details div, a container for the caption and keyboard message
	var objLightboxDetails = document.createElement("div");
	objLightboxDetails.setAttribute('id','lightboxDetails');
	objLightbox.appendChild(objLightboxDetails);
	// create caption
	var objCaption = document.createElement("div");
	objCaption.setAttribute('id','lightboxCaption');
	objCaption.style.display = 'none';
	objLightboxDetails.appendChild(objCaption);
	// create keyboard message
	/*var objKeyboardMsg = document.createElement("div");
	objKeyboardMsg.setAttribute('id','keyboardMsg');
	objKeyboardMsg.innerHTML = 'press <kbd>x</kbd> to close';
	objLightboxDetails.appendChild(objKeyboardMsg);*/
}
//
// blurAllLinks()
//
function blurAllLinks()
{	
	l = d.getElementsByTagName('a');
	for(i=0;i<l.length;i++){
		l[i].onfocus = new Function("if(this.blur)this.blur()");
	}	
}
//
// remSelects()
//
var srem = new Array();
function remSelects()
{
	s = d.getElementsByTagName('select');
	for(i=0;i<s.length;i++){
		srem[i] = s[i].disabled;
	}		
}
//
// showhideSelects()
//
function showhideSelects(act)
{	
	s = d.getElementsByTagName('select');
	for(i=0;i<s.length;i++){
		stt = (act) ? srem[i] : act;
		s[i].disabled = stt;
	}	
}
//
// addLoadEvent()
// Adds event to window.onload without overwriting currently assigned onload functions.
// Function found at Simon Willison's weblog - http://simon.incutio.com/
//
function addLoadEvent(func)
{	
	var oldonload = window.onload;
	if (typeof window.onload != 'function'){
    	window.onload = func;
	} else {
		window.onload = function(){
		oldonload();
		func();
		}
	}
}
//
//
// run onLoad
addLoadEvent(initBevorStart);