//-- springen naar een stuk tekst
function goTo(q) {
    for(i=0; i < document.anchors.length; i++){
        a = document.anchors[i].name;
        if( a == q ){
           window.location.hash = a;
		   return;
        }
    }
}

//-- Popup openen
function winopen(url, width, height) {
	if(!width) {
		width=450;
	}
	if(!height) {
		height=550;
	}
	window.open(url, "_blank","toolbar=no,location=no,menubar=no,scrollbars=yes,width="+width+",height="+height+",resizeable=no,status=no");
}

//-- Windowopen
function bigwinopen(location) {
	if(location!="") {
		window.open(location, "_blank");
	}
}

//-- Sluiten
function closewin(){
	window.close();
}

//-- Filechooser:
var lastFilechooseOpener = null;
var lastFileopenerType = 0; //0 = standaard, 1 = tumbnailchooser, 2 = editor
function openFileChooser(name,type,small){
	lastFilechooseOpener = name;
	lastFileopenerType = 0; //standaard
	var url = 'index.php?action=filemanager&subaction=filechooser';
	if(type) url += '&type='+type;
	if(small) url += '&size='+small;
	winopen(url,500,300);
}


function openThumbnailChooser(name){
	lastFilechooseOpener = name;
	lastFileopenerType = 1; //thumbnailchooser
	var url = 'index.php?action=filemanager&subaction=filechooser&type=image&size=small';

	winopen(url,500,300);
}

function clearFileChooser(name){
	eval("window.document.form."+name+"_id.value = '';");
	eval("window.document.form."+name+"_text.value = '';");
	eval("window.document.form."+name+"_resetbtn.disabled = true;");
}

function clearThumbnailChooser(name){
	eval("window.document.form."+name+"_id.value = '';");
	eval("window.document.images."+name+"_img.src = 'gfx/empty.gif';");
	eval("window.document.form."+name+"_resetbtn.disabled = true;");
}

function viewfile(name){
	var id = eval("window.document.form."+name+"_id.value");
	winopen("?action=filemanager&subaction=view&id="+id,640,480);
}

function setFile(id,name,size){
	if(lastFilechooseOpener == null) return;

	if(lastFileopenerType == 0){ //standaard
		eval("window.document.form."+lastFilechooseOpener+"_id.value = "+id+";");
		eval("window.document.form."+lastFilechooseOpener+"_text.value = '"+name+"';");
		eval("window.document.form."+lastFilechooseOpener+"_resetbtn.disabled = false;");
		eval("window.document.form."+lastFilechooseOpener+"_view.disabled = false;");
	} else if(lastFileopenerType == 1){ //thumbnail chooser:
		eval("window.document.form."+lastFilechooseOpener+"_id.value = "+id+";");
		eval("window.document.images."+lastFilechooseOpener+"_img.src = 'http://www.heren2be.nl/beheer/viewfile.php?id="+id+"&size=small';");
		eval("window.document.form."+lastFilechooseOpener+"_resetbtn.disabled = false;");
	} else if(lastFileopenerType == 2){ //editor:
		var url = "http://www.heren2be.nl/beheer/viewfile.php?id="+id+"&size="+size;
		setImage(url);
//		addImage(url);
	}
	lastFilechooseOpener = null;
	lastFileopenerType = 0;

}


//----------------------------------Browser Detect Lite--------------------------------------///

function BrowserDetectLite() {
   var ua = navigator.userAgent.toLowerCase(); 

   // browser name
   this.isGecko     = (ua.indexOf('gecko') != -1 && ua.indexOf('safari') == -1);
   this.isMozilla   = (this.isGecko && ua.indexOf('gecko/') + 14 == ua.length);
   this.isNS        = ( (this.isGecko) ? (ua.indexOf('netscape') != -1) : ( (ua.indexOf('mozilla') != -1) && (ua.indexOf('spoofer') == -1) && (ua.indexOf('compatible') == -1) && (ua.indexOf('opera') == -1) && (ua.indexOf('webtv') == -1) && (ua.indexOf('hotjava') == -1) ) );
   this.isIE        = ( (ua.indexOf('msie') != -1) && (ua.indexOf('opera') == -1) && (ua.indexOf('webtv') == -1) ); 
   this.isSafari    = (ua.indexOf('safari') != - 1);
   this.isOpera     = (ua.indexOf('opera') != -1); 
   this.isKonqueror = (ua.indexOf('konqueror') != -1 && !this.isSafari); 
   this.isIcab      = (ua.indexOf('icab') != -1); 
   this.isAol       = (ua.indexOf('aol') != -1); 
   
   // spoofing and compatible browsers
   this.isIECompatible = ( (ua.indexOf('msie') != -1) && !this.isIE);
   this.isNSCompatible = ( (ua.indexOf('mozilla') != -1) && !this.isNS && !this.isMozilla);
   
   // browser version
   this.versionMinor = parseFloat(navigator.appVersion); 
   
   // correct version number
   if (this.isNS && this.isGecko) {
      this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('/') + 1 ) );
   }
   else if (this.isIE && this.versionMinor >= 4) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('msie ') + 5 ) );
   }
   else if (this.isMozilla) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('rv:') + 3 ) );
   }
   else if (this.isSafari) {
      this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('/') + 1 ) );
   }
   else if (this.isOpera) {
      if (ua.indexOf('opera/') != -1) {
         this.versionMinor = parseFloat( ua.substring( ua.indexOf('opera/') + 6 ) );
      }
      else {
         this.versionMinor = parseFloat( ua.substring( ua.indexOf('opera ') + 6 ) );
      }
   }
   else if (this.isKonqueror) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('konqueror/') + 10 ) );
   }
   else if (this.isIcab) {
      if (ua.indexOf('icab/') != -1) {
         this.versionMinor = parseFloat( ua.substring( ua.indexOf('icab/') + 6 ) );
      }
      else {
         this.versionMinor = parseFloat( ua.substring( ua.indexOf('icab ') + 6 ) );
      }
   }
   
   this.versionMajor = parseInt(this.versionMinor); 
   this.geckoVersion = ( (this.isGecko) ? ua.substring( (ua.lastIndexOf('gecko/') + 6), (ua.lastIndexOf('gecko/') + 14) ) : -1 );
   
   // dom support
   this.isDOM1 = (document.getElementById);
   this.isDOM2Event = (document.addEventListener && document.removeEventListener);
   
   // css compatibility mode
   this.mode = document.compatMode ? document.compatMode : 'BackCompat';

   // platform
   this.isWin   = (ua.indexOf('win') != -1);
   this.isWin32 = (this.isWin && ( ua.indexOf('95') != -1 || ua.indexOf('98') != -1 || ua.indexOf('nt') != -1 || ua.indexOf('win32') != -1 || ua.indexOf('32bit') != -1 || ua.indexOf('xp') != -1) );
   this.isMac   = (ua.indexOf('mac') != -1);
   this.isUnix  = (ua.indexOf('unix') != -1 || ua.indexOf('sunos') != -1 || ua.indexOf('bsd') != -1 || ua.indexOf('x11') != -1)
   this.isLinux = (ua.indexOf('linux') != -1);
   
   // specific browser shortcuts
   this.isNS4x = (this.isNS && this.versionMajor == 4);
   this.isNS40x = (this.isNS4x && this.versionMinor < 4.5);
   this.isNS47x = (this.isNS4x && this.versionMinor >= 4.7);
   this.isNS4up = (this.isNS && this.versionMinor >= 4);
   this.isNS6x = (this.isNS && this.versionMajor == 6);
   this.isNS6up = (this.isNS && this.versionMajor >= 6);
   this.isNS7x = (this.isNS && this.versionMajor == 7);
   this.isNS7up = (this.isNS && this.versionMajor >= 7);
   
   this.isIE4x = (this.isIE && this.versionMajor == 4);
   this.isIE4up = (this.isIE && this.versionMajor >= 4);
   this.isIE5x = (this.isIE && this.versionMajor == 5);
   this.isIE55 = (this.isIE && this.versionMinor == 5.5);
   this.isIE5up = (this.isIE && this.versionMajor >= 5);
   this.isIE6x = (this.isIE && this.versionMajor == 6);
   this.isIE6up = (this.isIE && this.versionMajor >= 6);
   
   this.isIE4xMac = (this.isIE4x && this.isMac);
}
var browser = new BrowserDetectLite();
//---------------------------------- end 

//---------------------------------- Sortable table functions -------------------------/////
function SortableTable(oTable, oSortTypes) {

	this.element = oTable;
	this.tHead = oTable.tHead;
	this.tBody = oTable.tBodies[0];
	this.document = oTable.ownerDocument || oTable.document;
	
	this.sortColumn = null;
	this.descending = null;
	
	var oThis = this;
	this._headerOnclick = function (e) {
		oThis.headerOnclick(e);
	};
	
	
	// only IE needs this
	var win = this.document.defaultView || this.document.parentWindow;
	this._onunload = function () {
		oThis.destroy();
	};
	if (win && typeof win.attachEvent != "undefined") {
		win.attachEvent("onunload", this._onunload);
	}
	
	this.initHeader(oSortTypes || []);
}

SortableTable.gecko = navigator.product == "Gecko";
SortableTable.msie = /msie/i.test(navigator.userAgent);
// Mozilla is faster when doing the DOM manipulations on
// an orphaned element. MSIE is not
SortableTable.removeBeforeSort = SortableTable.gecko;




function addClassName(el, sClassName) {
	var s = el.className;
	var p = s.split(" ");
	var l = p.length;
	for (var i = 0; i < l; i++) {
		if (p[i] == sClassName)
			return;
	}
	p[p.length] = sClassName;
	el.className = p.join(" ");
			
}

function removeClassName(el, sClassName) {
	var s = el.className;
	var p = s.split(" ");
	var np = [];
	var l = p.length;
	var j = 0;
	for (var i = 0; i < l; i++) {
		if (p[i] != sClassName)
			np[j++] = p[i];
	}
	el.className = np.join(" ");
}

SortableTable.prototype.onsort = function () {
	var rows = st.tBody.rows;
	var l = rows.length;
	for (var i = 0; i < l; i++) {
		removeClassName(rows[i], i % 2 ? "row0" : "row1");
		addClassName(rows[i], i % 2 ? "row1" : "row0");
	}
};

// adds arrow containers and events
// also binds sort type to the header cells so that reordering columns does
// not break the sort types
SortableTable.prototype.initHeader = function (oSortTypes) {
	var cells = this.tHead.rows[0].cells;
	var l = cells.length;
	var img, c;
	for (var i = 0; i < l; i++) {
		c = cells[i];
		img = this.document.createElement("IMG");
		img.src = "gfx/blank.png";
		c.appendChild(img);
		if (oSortTypes[i] != null) {
			c._sortType = oSortTypes[i];
		}
		if (typeof c.addEventListener != "undefined")
			c.addEventListener("click", this._headerOnclick, false);
		else if (typeof c.attachEvent != "undefined")		
			c.attachEvent("onclick", this._headerOnclick);
	}
	this.updateHeaderArrows();
};

// remove arrows and events
SortableTable.prototype.uninitHeader = function () {
	var cells = this.tHead.rows[0].cells;
	var l = cells.length;
	var c;
	for (var i = 0; i < l; i++) {
		c = cells[i];
		c.removeChild(c.lastChild);
		if (typeof c.removeEventListener != "undefined")
			c.removeEventListener("click", this._headerOnclick, false);
		else if (typeof c.detachEvent != "undefined")
			c.detachEvent("onclick", this._headerOnclick);
	}
};

SortableTable.prototype.updateHeaderArrows = function () {
	var cells = this.tHead.rows[0].cells;
	var l = cells.length;
	var img;
	for (var i = 0; i < l; i++) {
		img = cells[i].lastChild;
		if (i == this.sortColumn)
			img.className = "sort-arrow " + (this.descending ? "descending" : "ascending");
		else
			img.className = "sort-arrow";			
	}
};

SortableTable.prototype.headerOnclick = function (e) {
	// find TD element
	var el = e.target || e.srcElement;
	while (el.tagName != "TD")
		el = el.parentNode;
	
	this.sort(el.cellIndex);	
};

SortableTable.prototype.getSortType = function (nColumn) {
	var cell = this.tHead.rows[0].cells[nColumn];
	var val = cell._sortType;
	if (val != "")
		return val;
	return "String";
};

// only nColumn is required
// if bDescending is left out the old value is taken into account
// if sSortType is left out the sort type is found from the sortTypes array

SortableTable.prototype.sort = function (nColumn, bDescending, sSortType) {
	if (sSortType == null)
		sSortType = this.getSortType(nColumn);

	// exit if None	
	if (sSortType == "None")
		return;

	if (bDescending == null) {
		if (this.sortColumn != nColumn)
			this.descending = true;
		else
			this.descending = !this.descending;

	} else{
		if(this.sortColumn != nColumn)
			this.descending = true;
		else if(this.descending)
			this.descending = false;
		else
			this.descending = true;
	}
	
	this.sortColumn = nColumn;
	
	if (typeof this.onbeforesort == "function")
		this.onbeforesort();
	
	var f = this.getSortFunction(sSortType, nColumn);
	var a = this.getCache(sSortType, nColumn);
	var tBody = this.tBody;
	
	a.sort(f);
	
	if (this.descending)
		a.reverse();
	
	if (SortableTable.removeBeforeSort) {
		// remove from doc
		var nextSibling = tBody.nextSibling;
		var p = tBody.parentNode;
		p.removeChild(tBody);
	}
	
	// insert in the new order
	var l = a.length;
	for (var i = 0; i < l; i++)
		tBody.appendChild(a[i].element);
	
	if (SortableTable.removeBeforeSort) {	
		// insert into doc
		p.insertBefore(tBody, nextSibling);
	}
	
	this.updateHeaderArrows();
	
	this.destroyCache(a);
	
	if (typeof this.onsort == "function")
		this.onsort();
};

SortableTable.prototype.asyncSort = function (nColumn, bDescending, sSortType) {
	var oThis = this;
	this._asyncsort = function () {
		oThis.sort(nColumn, bDescending, sSortType);
	};
	window.setTimeout(this._asyncsort, 1);	
};

SortableTable.prototype.getCache = function (sType, nColumn) {
	var rows = this.tBody.rows;
	var l = rows.length;
	var a = new Array(l);
	var r;
	for (var i = 0; i < l; i++) {
		r = rows[i];
		a[i] = {
			value:		this.getRowValue(r, sType, nColumn),
			element:	r
		};
	};
	return a;
};

SortableTable.prototype.destroyCache = function (oArray) {
	var l = oArray.length;
	for (var i = 0; i < l; i++) {
		oArray[i].value = null;
		oArray[i].element = null;
		oArray[i] = null;
	}
}

SortableTable.prototype.getRowValue = function (oRow, sType, nColumn) {
	var s;
	var c = oRow.cells[nColumn];
	if (typeof c.innerText != "undefined")
		s = c.innerText;
	else
		s = SortableTable.getInnerText(c);
	return this.getValueFromString(s, sType);
};

SortableTable.getInnerText = function (oNode) {
	var s = "";	
	var cs = oNode.childNodes;
	var l = cs.length;
	for (var i = 0; i < l; i++) {
		switch (cs[i].nodeType) {
			case 1: //ELEMENT_NODE
				s += SortableTable.getInnerText(cs[i]);
				break;
			case 3:	//TEXT_NODE
				s += cs[i].nodeValue;
				break;
		}
	}
	return s;
}

SortableTable.prototype.getValueFromString = function (sText, sType) {
	switch (sType) {
		case "Number":
			return Number(sText);
		case "CaseInsensitiveString":
			return sText.toUpperCase();
		case "Date":
			var parts = sText.split("-");
			var d = new Date(0);
			d.setFullYear(parts[0]);
			d.setDate(parts[2]);
			d.setMonth(parts[1] - 1);			
			return d.valueOf();		
	}
	return sText;
};

SortableTable.prototype.getSortFunction = function (sType, nColumn) {
	return function compare(n1, n2) {
		if (n1.value < n2.value)
			return -1;
		if (n2.value < n1.value)
			return 1;
		return 0;
	};
};

SortableTable.prototype.destroy = function () {
	this.uninitHeader();
	var win = this.document.parentWindow;
	if (win && typeof win.detachEvent != "undefined") {//only IE needs this
		win.detachEvent("onunload", this._onunload);
	}	
	this._onunload = null;
	this.element = null;
	this.tHead = null;
	this.tBody = null;
	this.document = null;
	this._headerOnclick = null;
	this.sortTypes = null;
	this._asyncsort = null;
	this.onsort = null;
};