<!-- Javascript Aware bib -->
function popup(url,features) {
	window.open(url,'newwin','status=yes,scrollbars=yes,'+features);
}

var viewerPostion 		= 0;

function viewerNext(viewerImageId)
{	
	var vi 					= document.getElementById(viewerImageId);

	if(vi != null)
	{
		viewerPostion 	= (viewerPostion == viewerImages.length-1 ? 0 : viewerPostion + 1);
		vi.src 			= imagesFolder + viewerImages[viewerPostion];
	}
}

function viewerPrevious(viewerImageId)
{
	var vi 					= document.getElementById(viewerImageId);
	
	if(vi != null)
	{
		viewerPostion 	= (viewerPostion == 0 ? viewerImages.length-1 : viewerPostion - 1);
		vi.src 			= imagesFolder + viewerImages[viewerPostion];
	}
}

//function for setting height of div wrapper, otherwise we have a grey area
function adaptWrapperHeight()
{
	var wrapper = document.getElementById('wrapper');
	var extra = document.getElementById('extra');
	
	if(extra && (wrapper.offsetHeight < extra.offsetHeight))
	{
		wrapper.style.height = extra.offsetHeight + "px";
	}
}

function KeyValue( key, value )
{
    this.key = key;
    this.value = value;
}

//Map functionality
function Map()
{
    this.array = new Array();
}

Map.prototype.put = function( key, value )
{
    if( ( typeof key != "undefined" ) && ( typeof value != "undefined" ) )
    {
        this.array[this.array.length] = new KeyValue( key, value );
    }
}

Map.prototype.get = function( key )
{
    for( var k = 0 ; k < this.array.length ; k++ )
    {
        if( this.array[k].key == key ) {
            return this.array[k].value;
        }
    }
    return "";
}

Map.prototype.getKey = function( index )
{
	if(index < this.array.length)
	{
		return this.array[index].key;
	}
    
  return "";
}

Map.prototype.getValue = function( index )
{
	if(index < this.array.length)
	{
		return this.array[index].value;
	}
    
  return "";
}

Map.prototype.length = function()
{
    return this.array.length;
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

function enableTxtGroup()
{
  var txtGroup = document.settings.txtGroup;
  var trOtherGroup = document.getElementById('trOtherGroup');
  
  for(var i = 0; i < document.settings.selGroup.options.length; i++)
  {
    var option =  document.settings.selGroup.options[i];
    if(option.selected && option.text == 'Other')
    { 
      trOtherGroup.style['visibility']="visible";
      txtGroup.focus();
      return 1;
    }
  }

  txtGroup.blur();
  trOtherGroup.style['visibility']="hidden";
  return 1;
}

function GoToStep(fn)
{ 
  var elFn = document.getElementById('fn');
  elFn.value = fn;
  
  document.form.submit();
}

function MakeVisible()
{
  var selType = document.getElementById('question_type');
  
  var tblText = document.getElementById('text');
  var tblTextarea = document.getElementById('textarea');
  var tblCheckbox = document.getElementById('checkbox');
  var tblRadio = document.getElementById('radio');
  var tblSelect = document.getElementById('select');
  
  tblText.style['display'] = "none";
  tblTextarea.style['display'] = "none";
  tblCheckbox.style['display'] = "none";
  tblRadio.style['display'] = "none";
  tblSelect.style['display'] = "none";
  
  for(var i = 0; i < document.form.question_type.options.length; i++)
  {
    var option =  document.form.question_type.options[i];
    if(option.selected)
    {
      var tblTable = document.getElementById(option.value);
      tblTable.style['display'] = "block";
      return 1;
    }
  }
  
}

function downloadDocument(el)
{
	selDocument = document.getElementById(el);
    	
	for(var i = 0; i < selDocument.options.length; i++)
	{   
		var option =  selDocument.options[i];
		if(option.selected)
		{
            if (/^url=.*?&language=\w\w$/.test(option.value))
            {
                var m = option.value.match(/^url=(.*?)&language=(\w\w)$/);
                if (m)
				{
					url = m[1];
					language = m[2];
                    
                    if(/^\.\.\/repository\//.test(language))
                    {
                        window.open("../prg2/countlink.pl?link=" + url);
                    }
                    else
                    {
                        window.open(url);
                    }
				}
			}
        }
	}
}

function changeLanguage(el)
{
    //taal van geselecteerde document ophalen
    selDocument = document.getElementById(el);
    var selLanguage;
    
    for(var i = 0; i < selDocument.options.length; i++)
	{   
		var option =  selDocument.options[i];
		if(option.selected)
		{
            if (/^url=.*?&language=\w\w$/.test(option.value))
            {
                var m = option.value.match(/^url=(.*?)&language=(\w\w)$/);
                if (m)
				{
					url = m[1];
					selLanguage = m[2];
				}
			}
        }
	}
    
    //taal veranderen in andere selects
    var documents = document.getElementsByTagName('select');
    
    for(var j = 0; j < documents.length; j++)
    {   
        selDocument = documents[j];
        
    	if(selDocument.name != el)
        {
            for(var k = 0; k < selDocument.options.length; k++)
            {
                var option = selDocument.options[k];
                
                if (/^url=.*?&language=\w\w$/.test(option.value))
                {
                    var m = option.value.match(/^url=(.*?)&language=(\w\w)$/);
                    if (m)
                    {
                        language = m[2];
                        
                        if(language == selLanguage)
                        {
                            option.selected = true;
                        }
                    }
                }
            }
        }
    }
}

function refreshCaptcha()
{
	ajax_call = $.ajax({
	   type: "GET",
	   url: "form.pl",
	   data: "ajax=1",
	   success: function(data){eval(data);}
	 });
}

function setCaptcha(md5sum)
{
	$(document).ready(function()
	{
		$("#md5sum").val(md5sum);
		$("#captcha").attr('src', "../content/images/captcha/" + md5sum + ".png");
	});
}