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_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_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_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 GP_AdvOpenWindow(theURL,winName,features,popWidth,popHeight,winAlign,ignorelink,alwaysOnTop,autoCloseTime,borderless) { //v2.0
  var leftPos=0,topPos=0,autoCloseTimeoutHandle, ontopIntervalHandle, w = 480, h = 340;  
  if (popWidth > 0) features += (features.length > 0 ? ',' : '') + 'width=' + popWidth;
  if (popHeight > 0) features += (features.length > 0 ? ',' : '') + 'height=' + popHeight;
  if (winAlign && winAlign != "" && popWidth > 0 && popHeight > 0) {
    if (document.all || document.layers || document.getElementById) {w = screen.availWidth; h = screen.availHeight;}
		if (winAlign.indexOf("center") != -1) {topPos = (h-popHeight)/2;leftPos = (w-popWidth)/2;}
		if (winAlign.indexOf("bottom") != -1) topPos = h-popHeight; if (winAlign.indexOf("right") != -1) leftPos = w-popWidth; 
		if (winAlign.indexOf("left") != -1) leftPos = 0; if (winAlign.indexOf("top") != -1) topPos = 0; 						
    features += (features.length > 0 ? ',' : '') + 'top=' + topPos+',left='+leftPos;}
  if (document.all && borderless && borderless != "" && features.indexOf("fullscreen") != -1) features+=",fullscreen=1";
  if (window["popupWindow"] == null) window["popupWindow"] = new Array();
  var wp = popupWindow.length;
  popupWindow[wp] = window.open(theURL,winName,features);
  if (popupWindow[wp].opener == null) popupWindow[wp].opener = self;  
  if (document.all || document.layers || document.getElementById) {
    if (borderless && borderless != "") {popupWindow[wp].resizeTo(popWidth,popHeight); popupWindow[wp].moveTo(leftPos, topPos);}
    if (alwaysOnTop && alwaysOnTop != "") {
    	ontopIntervalHandle = popupWindow[wp].setInterval("window.focus();", 50);
    	popupWindow[wp].document.body.onload = function() {window.setInterval("window.focus();", 50);}; }
    if (autoCloseTime && autoCloseTime > 0) {
    	popupWindow[wp].document.body.onbeforeunload = function() {
  			if (autoCloseTimeoutHandle) window.clearInterval(autoCloseTimeoutHandle);
    		window.onbeforeunload = null;	}  
   		autoCloseTimeoutHandle = window.setTimeout("popupWindow["+wp+"].close()", autoCloseTime * 1000); }
  	window.onbeforeunload = function() {for (var i=0;i<popupWindow.length;i++) popupWindow[i].close();}; }   
  document.MM_returnValue = (ignorelink && ignorelink != "") ? false : true;
}

function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' skal indeholde en e-mail adresse.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' skal indeholde tal.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' skal indeholde tal mellem '+min+' og '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+'\n'; }
  } if (errors) alert('Følgende skal udfyldes:  \n\n'+errors);
  document.MM_returnValue = (errors == '');
}





function rotateFrontpage(sUrls){
	aImages = sUrls.split(",");
	sOutput = "";
	for (i=0;i<aImages.length;i++){
		if (aImages[i] != ""){
			if (sOutput == ""){
				sOutput += "<img style=\"position: absolute;\" src=\"uploads/" + aImages[i] + "\" alt=\"www.perb.dk\" width=\"489\" height=\"188\">\n";
			} else {
				sOutput += "<img style=\"position: absolute; display: none;\" src=\"uploads/" + aImages[i] + "\" alt=\"www.perb.dk\" width=\"489\" height=\"188\">\n";
			}
		}
	}
	document.write(sOutput);
	
	fadeElementsWait();
}

function selectElementForFade(iNum){
	oContainer = document.getElementById("frontpageLargeImage");
	
	if (oContainer){
		aImgs = oContainer.getElementsByTagName("img");
		
		if (aImgs){
			if (iNum < aImgs.length){
				iNext = iNum+1;
				if (iNext == aImgs.length){
					iNext = 0;
				}
				Effect.Fade(aImgs[iNum],{duration: 2, from:1, to: 0});
				Effect.Appear(aImgs[iNext],{duration: 2, from:0, to: 1, afterFinish: fadeElementsWait}) //go to next cycle when done
			}
		}
	}
}
function fadeElementsWait(oObj){
	iDelay = 4000;
	if (oObj)
		setTimeout(function(){myCallBackOnFinish(oObj);},iDelay);
	else {
		setTimeout(function(){selectElementForFade(0);},iDelay);
	}
}

function myCallBackOnFinish(obj){
	oContainer = document.getElementById("frontpageLargeImage");
	
	if (oContainer){
		aImgs = oContainer.getElementsByTagName("img");
		for (i=0;i<aImgs.length;i++){
			if (obj.element == aImgs[i]){
				selectElementForFade(i);
			}
		}
	}
}

function myCallBackOnFinish2(obj){
	oContainer = document.getElementById("frontpageNews");
	
	if (oContainer){
		aDivs = oContainer.getElementsByTagName("div");
		for (i=0;i<aDivs.length;i++){
			if (obj.element == aDivs[i]){
				fadeFrontpageNews(i);
			}
		}
	}
}


function fadeNewsWait(oObj){
	iDelay = 4000;
	if (oObj)
		setTimeout(function(){myCallBackOnFinish2(oObj);},iDelay);
	else {
		setTimeout(function(){fadeFrontpageNews(0);},iDelay);
	}
}

function fadeFrontpageNews(iNum){
	oContainer = document.getElementById("frontpageNews");
	
	if (oContainer){
		aDivs = oContainer.getElementsByTagName("div");
		
		if (iNum < aDivs.length){
			iNext = iNum+1;
			if (iNext == aDivs.length){
				iNext = 0;
			}
			Effect.Fade(aDivs[iNum],{duration: 2, from:1, to: 0});
			Effect.Appear(aDivs[iNext],{duration: 2, from:0, to: 1, afterFinish: fadeNewsWait}) //go to next cycle when done
		}
	}
}