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

    var answer = confirm("Bestand verwijderen?");

    if (answer)
    {
        document.getElementById(media_id).style.display = 'none';
        ajaxRead(linkje+'&action=delete_media&media_id='+object.value, 'dummy');
    } else {
        object.checked = false;
    }
}

/**
 *
 * @access public
 * @return void
 **/
function delete_template_media(object, media_id, modules_name)
{
    string = location.href;
    var first  = string.indexOf("&");
    var linkje = string.substring(0,first);

    var answer = confirm("Bestand verwijderen?");

    if (answer)
    {
        document.getElementById(media_id).style.display = 'none';
        ajaxRead(linkje+'&action=delete_media&modules_name=templates&media_id='+object.value, 'dummy');
    } else {
        object.checked = false;
    }
}



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

    var div_id = 'insert_div';
    document.getElementById(div_id).style.display = 'block';
    ajaxRead(linkje+'&action=child_edit_ajax&newsletters_id='+newsletters_id, div_id);

}

/**
  *
  * @access public
  * @return void
  **/
function show_newsletters_edit_child(newsletters_cid)
{
    string = location.href;
    var first  = string.indexOf("&");
    var linkje = string.substring(0,first);

    var div_id = 'edit_div_'+newsletters_cid;
    document.getElementById(div_id).style.display = 'block';
    ajaxRead(linkje+'&action=child_edit_ajax&newsletters_cid='+newsletters_cid, div_id);
}

var hide_newsletters_edit_child = function(newsletters_cid) {
    var div_id;
      if (typeof newsletters_cid == "undefined") {
        div_id = 'insert_div';
      } else {
          div_id = 'edit_div_'+newsletters_cid;
      }

    document.getElementById(div_id).style.display = 'none';
}

function trim(str, chars) {
    return ltrim(rtrim(str, chars), chars);
}

function ltrim(str, chars) {
    chars = chars || "\\s";
    return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}

function rtrim(str, chars) {
    chars = chars || "\\s";
    return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}