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) { //v4.0
  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 && document.getElementById) x=document.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];}
}


/**
 * Displays an confirmation box (use before delete actions).
 * This function is called while clicking links, for example:
 *
 * @param   object   the link
 * @param   object   the warning message
 *
 * @return  boolean  whether to run the query or not
 */
function confirmLink(theLink, theMessage)
{

    var is_confirmed = confirm(theMessage);
    if (is_confirmed)
    {
        theLink.href += '&is_js_confirmed=1';
    }
    return is_confirmed;
} // end function



/**
 * Flips the display status of an element by either removing it if it is displayed, or displaying it if it was removed.
 * This function is called while clicking on links or checking boxes:
 *
 * @param   object   the id of the element
 *
 */
function change_visibility(nr)
{
        if (document.layers)
        {
                current = (document.layers[nr].display == 'none') ? 'block' : 'none';
                document.layers[nr].display = current;
        }
        else if (document.all)
        {
            if (document.all[nr])
        {
                        current = (document.all[nr].style.display == 'none') ? 'block' : 'none';
                        document.all[nr].style.display = current;
        }
        }
        else if (document.getElementById)
        {
                visibility_status = (document.getElementById(nr).style.display == 'none') ? 'block' : 'none';
                document.getElementById(nr).style.display = visibility_status;
        }
} // end function






/**
 * Counts the characters in the field CountField and makes sure its doesn't exceed the maximum Limit.
 * This function is called while entering text into a textarea field:
 *
 * @param   object   the id of the element
 *
 */
function charsLimit(charsToCount, CountField, Limit)
{
        if (charsToCount.value.length > Limit)
    {
                charsToCount.value = charsToCount.value.substring(0, Limit);
    }
    else
    {
                CountField.value = Limit - charsToCount.value.length;
    }
}




//JK Popup Window Script (version 3.0)- By JavaScript Kit (http://www.javascriptkit.com)
function openpopup(popurl){
var winpops=window.open(popurl,"","width=639,height=500,scrollbars,resizable")
}

//JK Popup Window Script (version 3.0)- By JavaScript Kit (http://www.javascriptkit.com)
function openpopup_frontend(popurl){
var winpops=window.open(popurl,"","width=639,height=650,scrollbars,resizable")
}


function ajaxRead(file, tag)
{
  var xmlObj = null;
  if(window.XMLHttpRequest)
  {
      xmlObj = new XMLHttpRequest();
  } else if(window.ActiveXObject)
  {
      xmlObj = new ActiveXObject("Microsoft.XMLHTTP");
  } else {
      return;
  }
  xmlObj.onreadystatechange = function(){
    if(xmlObj.readyState == 4)
    {
        document.getElementById(tag).innerHTML = xmlObj.responseText;
    }
    }
    xmlObj.open ('GET', file, true);
    xmlObj.send ('');
  }

function ajaxReadReturn(file, i, j)
{
  var xmlObj = null;
  if(window.XMLHttpRequest)
  {
      xmlObj = new XMLHttpRequest();
  } else if(window.ActiveXObject)
  {
      xmlObj = new ActiveXObject("Microsoft.XMLHTTP");
  } else {
      return;
  }
  xmlObj.onreadystatechange = function(){
    if(xmlObj.readyState == 4)
    {
    	//alert("IN AJAX: "+xmlObj.responseText);
        //return xmlObj.responseText;
        if(xmlObj.responseText != '0')
        {
			document.getElementById('ingredienten').childNodes[i].childNodes[j].value = xmlObj.responseText;
		}
    }
    }
    xmlObj.open ('GET', file, true);
    xmlObj.send ('');
  }


function ajaxReadSelect(file, i, j)
{
  var xmlObj = null;
  if(window.XMLHttpRequest)
  {
      xmlObj = new XMLHttpRequest();
  } else if(window.ActiveXObject)
  {
      xmlObj = new ActiveXObject("Microsoft.XMLHTTP");
  } else {
      return;
  }
  xmlObj.onreadystatechange = function(){
    if(xmlObj.readyState == 4)
    {
        var select_form = document.getElementById('ingredienten').childNodes[i].childNodes[j];
        var select_form_len = document.getElementById('ingredienten').childNodes[i].childNodes[j].length;
        select_form_len = select_form_len*2;

        for(var l = 0; l < select_form_len; l++)
        {
        	if(xmlObj.responseText == select_form.childNodes[l].value)
        	{
        		select_form.childNodes[l].title = 'worst';
        		select_form.childNodes[l].selected = 'selected';
        	}
        }
    }
    }
    xmlObj.open ('GET', file, true);
    xmlObj.send ('');
  }



function ajaxPost(url, parameters, elementid)
{
  var xmlObj = null;
  if(window.XMLHttpRequest)
  {
      xmlObj = new XMLHttpRequest();
  } else if(window.ActiveXObject)
  {
      xmlObj = new ActiveXObject("Microsoft.XMLHTTP");
  } else {
      return;
  }
  xmlObj.onreadystatechange = function(){
    if(xmlObj.readyState == 4)
    {
        document.getElementById(elementid).innerHTML = xmlObj.responseText;
    }
    }
    xmlObj.open ('POST', url, true);
    xmlObj.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    xmlObj.setRequestHeader("Content-length", parameters.length);
    xmlObj.setRequestHeader("Connection", "close");
    xmlObj.send(parameters);
  }



// Script Source: CodeLifter.com
// Copyright 2003
// Do not remove this notice.

// SETUPS:
// ===============================

// Set the horizontal and vertical position for the popup

PositionX = 100;
PositionY = 100;

// Set these value approximately 20 pixels greater than the
// size of the largest image to be used (needed for Netscape)

defaultWidth  = 500;
defaultHeight = 500;

// Set autoclose true to have the window close automatically
// Set autoclose false to allow multiple popup windows

var AutoClose = true;

// Do not edit below this line...
// ================================
if (parseInt(navigator.appVersion.charAt(0))>=4){
var isNN=(navigator.appName=="Netscape")?1:0;
var isIE=(navigator.appName.indexOf("Microsoft")!=-1)?1:0;}
var optNN='scrollbars=no,width='+defaultWidth+',height='+defaultHeight+',left='+PositionX+',top='+PositionY;
var optIE='scrollbars=no,width=150,height=100,left='+PositionX+',top='+PositionY;
function popImage(imageURL,imageTitle){
if (isNN){imgWin=window.open('about:blank','',optNN);}
if (isIE){imgWin=window.open('about:blank','',optIE);}
with (imgWin.document){
writeln('<html><head><title>Loading...</title><style>body{margin:0px;}</style>');writeln('<sc'+'ript>');
writeln('var isNN,isIE;');writeln('if (parseInt(navigator.appVersion.charAt(0))>=4){');
writeln('isNN=(navigator.appName=="Netscape")?1:0;');writeln('isIE=(navigator.appName.indexOf("Microsoft")!=-1)?1:0;}');
writeln('function reSizeToImage(){');writeln('if (isIE){');writeln('window.resizeTo(100,100);');
writeln('width=100-(document.body.clientWidth-document.images[0].width);');
writeln('height=100-(document.body.clientHeight-document.images[0].height);');
writeln('window.resizeTo(width,height);}');writeln('if (isNN){');
writeln('window.innerWidth=document.images["George"].width;');writeln('window.innerHeight=document.images["George"].height;}}');
writeln('function doTitle(){document.title="'+imageTitle+'";}');writeln('</sc'+'ript>');
if (!AutoClose) writeln('</head><body bgcolor=000000 scroll="no" onload="reSizeToImage();doTitle();self.focus()">')
else writeln('</head><body bgcolor=000000 scroll="no" onload="reSizeToImage();doTitle();self.focus()" onblur="self.close()">');
writeln('<img name="George" src='+imageURL+' style="display:block"></body></html>');
close();
}}

function getNextSibling(startBrother) {
  endBrother=startBrother.nextSibling;
  while(endBrother.nodeType!=1){
    endBrother = endBrother.nextSibling;
  }
  return endBrother;
}

function getPreviousSibling(startBrother) {
  endBrother=startBrother.previousSibling;
  while(endBrother.nodeType!=1){
    endBrother = endBrother.previousSibling;
  }
  return endBrother;
}









function delete_media(object) {
    string = location.href;
    var first  = string.indexOf("&");
    var linkje = string.substring(0,first);

//    alert(object.value);

    var answer = confirm("Bestand verwijderen?")
    if (answer){
        document.getElementById(object.value).style.display = 'none';
        //object.style.display = "none";
        ajaxRead(linkje+'&action=delete_media&media_id='+object.value, 'dummy');
//        alert(linkje+'&action=delete_media&media_id='+object.value);
    } else {
        object.checked = false;
    }
}



var counter = 0;

function new_upload_image_field(parent) {
    new_upload_field(parent, 'image');
}

function new_upload_field(parent, type)
{
    //parent.style.border = "solid black 10px";
    //alert(parent.id);

    // counter is only used to increment the file-input field name
    counter++;

    // parent of the upload field
    //var parent = document.getElementById('media');

    // this is the div that is going to be copied
    var firstChild_div = (navigator.appName == "Microsoft Internet Explorer") ? parent.firstChild.firstChild : parent.firstChild.nextSibling.firstChild.nextSibling;

    // the new div will be inserted BEFORE this div
    var insert_child_before = parent.lastChild.previousSibling;

    // create the new div
    var new_div = document.createElement('div');
    new_div.id = "copy"+counter;
    // content of the new div, with a link that will delete this div
    new_div.innerHTML = firstChild_div.innerHTML + "<input type='button' onClick = 'remove_upload_field(this.parentNode.parentNode,this.parentNode);' value='Verwijder veld' class='form small' style='height: 22px;' />";

    // loop through all elements of the new div and change the name of the upload field
    var len = new_div.childNodes.length;
    for(var i = 0; i < len; i++)
    {
        if(new_div.childNodes[i].type == "file")
        {
            // new name of the upload field
            new_div.childNodes[i].name = type+"_files[" + counter + "_copy]";
        }

        if(new_div.childNodes[i].id == type+"_name_field")
        {
            new_div.childNodes[i].value = "";
            new_div.childNodes[i].name = type+"_name[" + counter + "_copy]";
        }
    }

    // finally, insert the new div
    parent.insertBefore(new_div, insert_child_before);
}

function remove_upload_field(parent, object) {
    parent.removeChild(object);

}