// geeft javascript trim, ltrim en rtrim functies
String.prototype.ltrim = function () { return this.replace(/^ */,""); }
String.prototype.rtrim = function () { return this.replace(/ *$/,""); }
String.prototype.trim = function () { return this.ltrim().rtrim(); }

/************************** statusbar functions **************************/
function clearTitel(strHelp) {
   self.status='';
   return true;
}

function setTitel(strHelp, myObj) {
   myObj.title = strHelp;
   self.status = strHelp;
   return true;
}

/************************** string / integer functions **************************/
function fullTrim(strIn) {
   var rw = new String();
   rw = strIn.replace(/[^a-zA-Z0-9]/gi, "");
   return rw;
}

function leadingZero(intIn) {
   // voorziet 'intIn' van een voorloopnul, bijv. '7' wordt '07'
   return (intIn.toString().length==1) ? ("0"+intIn.toString()) : intIn;
}

function toIntDef(intIn, intDef) {
   var rw = new Number();
   rw = parseInt(intIn);
   if ((rw=="") || (isNaN(rw)) || (rw=="undefined")) {rw = intDef;}
   return parseInt(rw);
}

function toStrDef(strIn, strDef) {
   var rw = new String();
   rw = strIn;
   if ((rw==undefined) || (rw=="undefined") || (rw=="")) {rw = strDef;}
   return rw.toString();
}

function toInt(intIn) {
   var rw = new Number();
   rw = parseInt(intIn);
   if ((rw=="") || (isNaN(rw)) || (rw=="undefined")) {rw = 0;}
   return parseInt(rw);
}

function toStr(strIn) {
   var rw = new String();
   rw = strIn;
   if ((rw==undefined) || (rw=="undefined") || (rw=="")) {rw = "";}
   return rw.toString();
}

function toggle(name, img) {
   if (document.getElementById(name)) {
      var el = document.getElementById(name);
      el.style.display = el.style.visibility=='visible'||el.style.visibility ==''?'none':'inline';
      el.style.visibility = el.style.visibility=='visible'||el.style.visibility ==''?'hidden':'visible';

      document.getElementById(img).src = el.style.visibility=='visible'||el.style.visibility =='' ? './images/imgImplode.gif':'./images/imgExplode.gif';
   }
}

function toggleExplode(sName, img, sScriptname) {
   if (document.getElementById(sName)) {
      var el = document.getElementById(sName);
      el.style.display = el.style.visibility=='visible'||el.style.visibility ==''?'none':'inline';
      el.style.visibility = el.style.visibility=='visible'||el.style.visibility ==''?'hidden':'visible';

      sName = jsCleanUpString(sName, "0123456789");

      if (el.style.visibility=='hidden') {
         parent.frmMenu.arrToggle[sScriptname][sName]="0";
      } else {
         parent.frmMenu.arrToggle[sScriptname][sName]="1";
      }

      document.getElementById(img).src = el.style.visibility=='visible'||el.style.visibility =='' ? './images/imgImplode.gif':'./images/imgExplode.gif';
   }
}

function jsToggleAllNiveaus(sScriptname) {
   // zijn alle niveaus open / dicht? ophalen uit array - frame menu
   if (parent.frmMenu.arrToggle[sScriptname]['toggleAll']) {
      var toggleAll = parent.frmMenu.arrToggle[sScriptname]['toggleAll'];
   } else {
      parent.frmMenu.arrToggle[sScriptname]['toggleAll'] = false;
      var toggleAll = false;
   }

   var divs = document.getElementsByTagName('div');
   for(var i=0; i<divs.length; i++) {
      if (divs[i].id.indexOf('toggle')==0) {
         divs[i].style.display    = (toggleAll) ? 'none' : 'inline';
         divs[i].style.visibility = (toggleAll) ? 'hidden' : 'visible';

         sName = jsCleanUpString(divs[i].id, "0123456789");
         parent.frmMenu.arrToggle[sScriptname][sName]= (toggleAll) ? 0 : 1;
      }
   }

   var imgs = document.getElementsByTagName('img');
   for(var i=0; i<imgs.length; i++) {
      if (imgs[i].id.indexOf('imgToggle_')==0) {
         imgs[i].src = toggleAll ? './images/imgExplode.gif' : './images/imgImplode.gif';
      }
   }

   toggleAll =! toggleAll;
   parent.frmMenu.arrToggle[sScriptname]['toggleAll'] = toggleAll;
}


/************************** contact form functions **************************/
function jsValidateField(el, type) {
   // 2 classes worden aangeroepen, opnemen in .css
   // .contact
   // .validate_error
   //
   // .contact {
   //    border: 1px solid #003366;
   //    width:350px;
   //    font-family: "Arial", Verdana, Helvetica, sans-serif;
   //    font-size: 12px;
   // }
   //
   // .validate_error {
   //    background-color: #FFCC99;
   // }
   //
   // types -> ( postcode / telefoon / num / num'n', text, text'n', select, picture, tmce )

   var strValue = document.getElementById(el).value.trim();
   var rw = false;

   if (type == "postcode") {
      rw = (strValue.replace(/[0-9]{4}\s{0,1}[A-Z]{2}/i, "x")=="x") ? true : false;
   } else if ((type == "radio") || (type == "checkbox")) {
      arrTemp = document.getElementsByName(el);
      for (i=0; i<arrTemp.length; i++) {
         if (arrTemp[i].checked) {
            return true;
         }
      }
   } else if (type == "email") {
      rw = (strValue.replace(/^[\w-]+(?:\.[\w-]+)*@(?:[\w-]+\.)+[a-zA-Z]{2,7}$/, "x")=="x") ? true : false;
   } else if (type=="telefoon") {
      strValue = jsCleanUpString(strValue, "0123456789");
      rw = (strValue.length==10) ? true : false;
   } else if (type=="telefoon_international") {
      strValue = jsCleanUpString(strValue, "0123456789");
      rw = (strValue.length==11) ? true : false;
   } else if (type=="alpha_num") {
      rw = (strValue.replace(/^[a-zA-Z]+$/, "x")=="x") ? true : false;
   } else if (type.substr(0, 3)=="num") {
      var strLen = type.substr(3, type.length-3);
      strValue = jsCleanUpString(strValue, "0123456789");
      if (strLen!="") {  // check op overgebleven lengte
         rw = (strValue.length==parseInt(strLen)) ? true : false;
      } else {
         document.getElementById(el).value = strValue;
         rw = (strValue.length>0) ? true : false;
      }
   } else if (type.substr(0, 4)=="text") {
      var intLen = toInt(type.substr(4, type.length-4));
      if (intLen>0) {  // check op lengte
         rw = (strValue.length>=intLen) ? true : false;
      } else {
         rw = (strValue.length>0) ? true : false;
      }
   } else if (type=="select") {
      rw = (strValue>0) ? true : false;
   } else if (type=="picture") {
      if ((strValue.length)>0) {
         var ArrPicture = new Array('jpg','png','gif');

         for (i=0; i<ArrPicture.length; i++) {
            if (strValue.toLowerCase().indexOf(ArrPicture[i]) != -1) {
               rw = true;
            }
         }
      } else {
         return true;
      }
   } else if (type=="tmce") {
      var editor_id = tinyMCE.getEditorId(el);
      var inst = tinyMCE.getInstanceById(editor_id);
      var content = tinyMCE.getContent(editor_id);
      content = content.replace("&nbsp;", " ");
      content = content.replace(/^\s+|\s+$/, "");
      if (content.length>0) {
         return true;
      } else {
         inst.contentWindow.focus();
         return false;
      }
   }

   if (!rw) {
      if (type!="select") {
         document.getElementById(el).select();
      }
      //document.getElementById(el).className='contact validate_error';
      document.getElementById(el).focus();

   } else {
      //document.getElementById(el).className='contact';
   }
   return rw;
}

function jsCleanUpString(strInput, validChars) {
   // filters all chars except validChars, return cleaned string
   var rw = strInput;
   var error = 0;
   for (i=0; i<rw.length; i++){
      c = rw.charAt(i);
      if (validChars.indexOf(c) == -1){
         rw = replace(rw, c, "");
         i--;
      }
   }

   return rw;
}

function replace(string, text, by) {
   // Replaces text with by in string
    var strLength = string.length, txtLength = text.length;
    if ((strLength == 0) || (txtLength == 0)) return string;

    var i = string.indexOf(text);
    if ((!i) && (text != string.substring(0,txtLength))) return string;
    if (i == -1) return string;

    var newstr = string.substring(0,i) + by;

    if (i+txtLength < strLength)
        newstr += replace(string.substring(i+txtLength,strLength),text,by);

    return newstr;
}

/************************** window functions **************************/
function changeURL(url, sTarget) {
   var firefox = document.getElementById&&!document.all;

   // refresh 'target' with 'url'
   if (sTarget == 'top') {
      top.location.href = url;
   } else if (sTarget != '') {
      if (firefox) {
         this.document.location.href = url;
      } else {
         myFrame = findFrame(top, sTarget);
         window.myFrame.location.href = url;
      }
   } else {
      this.document.location.href = url;
   }
}

function doRedirect(link) {
   changeURL(link, '');
}

function jsOpenURL(sURL, sWindowName, sParameters) {
   var iWidth  = 700;
   var iHeight = 700;
   var intXwin = (toIntDef(parent.screenLeft, 5)-5+((toIntDef(document.body.offsetWidth, 1024)-iWidth)/2));
   var intYwin = ((toIntDef(parent.screenTop, 22)-22)+((toIntDef(parent.document.body.offsetHeight, 728)-iHeight)/2));
   //toolbar=no, fullscreen=no, location=no, scrollbars=yes, resizable=yes, menubar=no, status=no,
   var sParameters = (sParameters==null) ? ('width=' + iWidth + ', height=' + iHeight + ', left=' + (screen.width-iWidth)/2 + ', top=' + (screen.height-iHeight)/2) : sParameters;

	REFWindow = window.open(sURL, sWindowName, sParameters);
   REFWindow.focus();
}

function findFrame(f, name) {
   // finds frame with 'name', to search al frames use findFrame(top, "name");
	if (f.name == name) return f;
	for (var i=0; i<f.frames.length; i++) {
		var result = findFrame(f.frames(i),name);
		if (result) return result;
	}
}

/************************** change image (onChange) **************************/
function jsChangeImage(_obj, _img){
   // change images on the fly
   var _index = _obj.selectedIndex;
   var _item  = _obj[_index].value;

   var tempImage = new Image();
   tempImage.src = "../include/thumb.php?img="+_item;
   document.images[_img].src=tempImage.src;
}

function jsPrint(strIn) {
   // find specific frame with 'strIn'
   myFrame = findFrame(top, strIn);
	myFrame.focus();
	myFrame.print();
}

function jsToggleDiv(strGroupName) {
   var collection = document.getElementsByTagName('div');
   var status = document.getElementById('togglevar').className;

   document.getElementById('togglevar').src = (status == "explode") ? './images/imgImplodeAll' : './images/imgExplodeAll';
   document.getElementById('togglevar').className = (status == "explode") ? 'implode' : 'explode';

   for(i=0; i<collection.length; i++){
      id = collection[i].getAttribute("id");
      if( id.indexOf(strGroupName) != -1 ) {
         document.getElementById(id).style.display = (status == "implode") ? 'none' : 'inline';
         document.getElementById(id).style.visibility = (status == "implode") ? 'hidden' : 'visible';
      }
   }

   // evt. afbeeldingen individueel geopende items aanpassen
   for(i=0; i<collection.length; i++){
      name = collection[i].getAttribute("name");
      if ( (name!=undefined) && ( name.indexOf('spanItemTitel_') != -1 ) ) {
         var arrImage = name.split("_")
         imageid = toStrDef("img" + arrImage[1], "");
         document.getElementById(imageid).src = (status == "explode") ? './images/imgImplode.gif':'./images/imgExplode.gif';
      }
   }
}

function showDatePickerFuture(strFormField, myDate, e) {
   myDp = window.open('../include/datepicker.php?future=1&leegKnop=1&field='+strFormField+'&datum='+myDate+'', 'windp', 'toolbar=no,fullscreen=no,location=no,scrollbars=no,resizable=no,menubar=no,status=no,width=315,height=262,top='+(e.screenY-121)+',left='+(e.screenX-137)+';');
   myDp.focus();
}

// document.getElementsByClassName: zoekt naar elementen waarvan de classes matchen.
// voorbeelden: document.getElementsByClassName("class1"), document.getElementsByClassName("class1 class2"), document.getElementsByClassName("class2 class1")// beperkingen: werkt alleen op document
document.getElementsByClassName = function(searchFull) {
   var elsAll = document.getElementsByTagName("*");
   var searchSplit = searchFull.split(" ");
   var elsMatch = new Array();

   for (var i=0; i<elsAll.length; i++) {
      var teller = 0;
      for (var j=0; j<searchSplit.length; j++ ) {
         var pattern = new RegExp("(^|\\s)"+searchSplit[j]+"(\\s|$)");
         if (pattern.test(elsAll[i].className) ) {
            teller++;
         }
      }

      if ( teller == searchSplit.length ) {
         elsMatch[elsMatch.length] = elsAll[i];
      }
   }

   return elsMatch;
}

// in_array (Javascript equivalent van PHP in_array)
function in_array(needle, haystack) {
	for (var i = 0; i < haystack.length; i++) {
        if (haystack[i] == needle) {
            return true;
        }
    }
    return false;
}

// insertFlash: embed een flash bestand in je document. Geef bestandsnaam op, gewenste width en height en achtergrondkleur ("transparent" mag ook)
function insertFlash(id, movie, width, height, bgcolor) {
	if ( !bgcolor ) bgcolor = "#ffffff";

	document.write('<object type="application/x-shockwave-flash" id="' + id + '" data="' + movie + '" width="' + width + '" height="' + height + '">');
	document.write('<param name="movie" value="' + movie + '" />');
	if ( bgcolor == "transparent" ) {
		document.write('<param name="wmode" value="transparent" />');
	} else {
		document.write('<param name="bgcolor" value="' +  bgcolor + '" />');
	}
	document.write('</object>');
}

// functie: wijzigt de waarde die de gebruiker middels de slider heeft gekozen
function functie(s_value, s_id){
	var s_field = document.getElementById(s_id);
	if (s_field) s_field.value = s_value;
}

// insertAfter: tegenhanger voor de DOM functie insertBefore
function insertAfter(newElement, targetElement) {
	//target is what you want it to go after. Look for this elements parent.
	var parent = targetElement.parentNode;
	//if the parents lastchild is the targetElement...
	if(parent.lastchild == targetElement) {
		//add the newElement after the target element.
		parent.appendChild(newElement);
	} else {
		// else the target has siblings, insert the new element between the target and it's next sibling.
		parent.insertBefore(newElement, targetElement.nextSibling);
	}
}