// JavaScript Document
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_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 MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function csvToPictureArray(csv)
{   var posa,i=0;
    var arr = new Array();
    (csv) += ",";
    while((posa = csv.indexOf(",")) >= 0)
    {   switch(i)
        {
        case 0:
            arr['index']  = Number(csv.substring(0,posa));
            break;
        case 1:
            arr['dir']  = csv.substring(0,posa);
            break;
        case 2:
            arr['lbl']  = csv.substring(0,posa);
            break;
        default:
            arr[i-3]  = csv.substring(0,posa);
            break;
        }
        i++;
        csv = csv.substring(posa+1,csv.length);
    } 
    arr['maxindex'] = i-3;
    return arr;
}
function showPicture(csv)
{   var arr = csvToPictureArray(csv)
    var node = document.createElement('DIV'); 
    document.getElementById('wrap').parentNode.appendChild(node);    
    node.id = "Picture";
    node.innerHTML = "<div id='PicturContainer' onMouseUp='removePicture()'><img id='PictureImg' border='0'/></div>";
    node.innerHTML += "<div id='PictureBack' onMouseUp='backPicture()'></div>";    
    node.innerHTML += "<div id='PictureDown' onMouseUp='downPicture()'></div>";    
    node.innerHTML += "<div id='PictureNext' onMouseUp='nextPicture()'></div>";    
    node.innerHTML += "<div id='PictureLabel' ></div>";    
    var img = document.getElementById("PictureImg");        
    img.picArr = arr;
    setPicture(img);
}
function backPicture()
{   var img = document.getElementById("PictureImg");
    img.picArr['index']--;
    if (img.picArr['index']<0) img.picArr['index'] = img.picArr['maxindex']-1;
    setPicture(img);
}
function setPicture(img)
{   var pic = "http://allonscale.nl/"+img.picArr['dir']+img.picArr[img.picArr['index']];
    img.src = pic;
    img.alt = pic;
    var lbl = document.getElementById("PictureLabel");    
    var index = (Number(img.picArr['index'])+1);
    lbl.innerHTML = img.picArr['lbl']+" ["+index+"/"+img.picArr['maxindex']+"]";
}
function downPicture()
{   removePicture();
}
function nextPicture()
{   var img = document.getElementById("PictureImg");
    img.picArr['index']++;
    if (img.picArr['index'] >= img.picArr['maxindex']) img.picArr['index'] = 0;
    setPicture(img);
}
function removePicture()
{   var node = document.getElementById("Picture");
    if (node)   node.parentNode.removeChild(node);
}