function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_findObj(n, d) { //v4.01
  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=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function MM_openBrWindow(theURL,breite,hoehe,winName,prop) { //v2.0
  window.open(theURL,winName,'width='+breite+', height='+hoehe+prop);
}
function MM_nbGroup(event, grpName) { //v6.0
  var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) {
      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    nbArr = document[grpName];
    if (nbArr)
      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}

var ER = {
	auth: 'You don\'t have authorization to use this app. Please try <a href="/">logging in</a> again',
	ajax: 'Unable to make a connection to the server',
	upload: 'Can\'t upload to this folder. You may not have write privileges',
	download: 'Your download cart is empty',
	parsePath: 'The file you are looking for is not there'
};

function showError(text) {
	alert("ERROR: "+text);
}

function goHome(){
	document.location="/";
}

function showAjaxRunning(){
	$('progress_wheel').style.visibility = "visible";
}

function closeAjaxRunning(){
	$('progress_wheel').style.visibility = "hidden";
}
function showImg(id, galid){
		//showAjaxRunning();	
		var url="/php/fotografen_gal1.php";
		var params = $H({bildnummer: id, gal: galid});
		
		var ajax = new Ajax.Request(url, {
						method: 'get', 	
		       			onSuccess: function(response){
		       				
							var htmlTxt=response.responseText;
												
											
							
							if (htmlTxt.strip().endsWith('}') ){ 
								
								var result = htmlTxt.strip().evalJSON();
								
								//alert ('u '+ result['url']);
							var urlneu=result['url'];
							var widthneu=result['width'];
							var heightneu=result['height'];
							overlay (urlneu, widthneu, heightneu)
							}else{
								alert(htmlTxt.strip());
							}									
		       				
		       			},
						parameters: params.toQueryString(),													
				    	onFailure: function() { showError(ER.ajax); }
					});
		
	}
	

function overlay (pic, picwidth, picheight) {
		var scrollPos;
		if (typeof window.pageYOffset != 'undefined') {
   			scrollPos = window.pageYOffset;
		}
		else if (typeof document.compatMode != 'undefined' &&
     	document.compatMode != 'BackCompat') {
   		scrollPos = document.documentElement.scrollTop;
		}
		else if (typeof document.body != 'undefined') {
   		scrollPos = document.body.scrollTop;
		}
		scrollPos=scrollPos+100;
		//document.getElementById('pop9_img').src=pic;
		htmlText="<a href=\"javascript:void(0);\" onClick=\"closeoverlay();\"><img src=\"" + pic +"\" alt=\"schliessen\" id=\"pop9_img\" height=\"" + picheight + "\" width=\"" + picwidth + "\" /></a>";
		$('pop9').down(1).update(htmlText);
		width1=picwidth+26;
		document.getElementById('pop9').style.width=width1 +"px";
		margin1=-1*(width1/2);
		document.getElementById('pop9').style.marginLeft=margin1 +"px";
		document.getElementById('pop9').style.top=scrollPos +"px";
		var disp = document.getElementById('pop9').style.display;
		if (disp=='none')
		{
		document.getElementById('pop9').style.display='block';
		}
		else{
		document.getElementById('pop9').style.display='block';
		}
	
	}
function closeoverlay () {
		
		document.getElementById('pop9').style.display = 'none';
		
	}