/*
Designed by <theFactor.e>
http://www.tfe.nl

CVS Header Information:  
    $Source: f:/tfecvs/cvs/VNN/internet/htdocs/js/default.js,v $
    $Revision: 1.10 $
    $Date: 2008/01/28 14:11:16 $
    $Name:  $
    $Author: kleinebeer#wilfred $
*/

/* -|-|-|- ALGEMEEN  -|-|-|- */
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_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_findObj(n, d) { //v4.01
  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 && d.getElementById) x=d.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];}
}

function MM_showHideLayers() { //v6.0
	var i,p,v,obj,args=MM_showHideLayers.arguments;
	for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
		if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
		obj.visibility=v; }
}

function MM_showHideBlocks() { //v1.0, copied from MM_showHideLayers by TFE
	var i,p,d,obj,args=MM_showHideBlocks.arguments;
	for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { d=args[i+2];
		if (obj.style) { obj=obj.style; d=(d=='show')?'block':(d=='hide')?'none':d; }
		obj.display=d; }
}


/* -|-|-|- DROPDOWNMENU  -|-|-|- */
TfeMenu = function(){
	this.timer = null;
	this.activeMenu;
	this.activeDropdown;
}

TfeMenu.prototype.OpenMenu = function(menu, dropdownId, offsetX, offsetY){
	this.StopTimer();
	this.HideDropdown();
	
	this.activeMenu = menu;
	this.activeDropdown = this.FindDropdown(dropdownId);
	
	this.activeMenu.oldClassName = this.activeMenu.className;
	this.activeMenu.className = 'active';
	
	offsetX += this.getOffsetX(menu);
	offsetY += this.getOffsetY(menu);
	
	this.ShowDropdown(offsetX, offsetY);
	
}

TfeMenu.prototype.FindDropdown = function(dropdownId){
	return document.getElementById(dropdownId);
}

TfeMenu.prototype.ShowDropdown = function(offsetX, offsetY){
	if(this.activeDropdown != null){
		this.activeDropdown.style.top = offsetY + this.activeMenu.offsetHeight + 'px';
		this.activeDropdown.style.left = offsetX + 'px';
		this.activeDropdown.style.visibility = 'visible';
	}
}

TfeMenu.prototype.HideDropdown = function(){
	if(this.activeDropdown != null){
		this.activeDropdown.style.visibility = 'hidden';
	}
	if(this.activeMenu != null){
		this.activeMenu.className = this.activeMenu.oldClassName;
	}
}

TfeMenu.prototype.StartTimer = function(){
	this.timer = setTimeout('hideDropdown()',500);
}

TfeMenu.prototype.StopTimer = function(){
	if(this.timer != null){
		clearTimeout(this.timer);
	}
}

TfeMenu.prototype.getOffsetX = function(node){
	var offsetX = this.activeMenu.offsetLeft;
	
	var parentOffsetNode = node.offsetParent;
	while(parentOffsetNode != null){
		if(parentOffsetNode.offsetLeft != null){
			offsetX += parentOffsetNode.offsetLeft;
		}
		parentOffsetNode = parentOffsetNode.offsetParent
	}
	
	return offsetX;
}

TfeMenu.prototype.getOffsetY = function(node){
	var offsetY = this.activeMenu.offsetTop;
	
	var parentOffsetNode = node.offsetParent;
	while(parentOffsetNode != null){
		if(parentOffsetNode.offsetTop != null){
			offsetY += parentOffsetNode.offsetTop;
		}
		parentOffsetNode = parentOffsetNode.offsetParent
	}
	
	return offsetY;
}

var oTfeMenu = new TfeMenu();

function openMenu(menu, dropdownId, offsetX, offsetY){
	oTfeMenu.OpenMenu(menu, dropdownId, offsetX, offsetY);
}

function startTimer(){
	oTfeMenu.StartTimer();
}

function stopTimer(){
	oTfeMenu.StopTimer();
}

function hideDropdown(){
   oTfeMenu.HideDropdown();
}


/* -|-|-|- FOTOVIEWER  -|-|-|- */
function switchTop(){
	document.getElementById('flashplayer').style.zIndex=100;
}
function switchDown(){
	document.getElementById('flashplayer').style.zIndex=1;
}

/* -|-|-|- OPENWINDOWS  -|-|-|- */
function openWindow(myurl) {
	window.open(myurl,'mywindow','width=380,height=370');
}

/* -|-|-|- SHOWHIDEPHOTOPOPUP  -|-|-|- */
function showDiv(divname){
	document.getElementById(divname).style.display='block';
}
function hideDiv(divname){
	document.getElementById(divname).style.display='none';
}

/* -|-|-|- forumProfilePop(x) -|-|-|- */
function forumProfilePop(x) {
	var winHan = window.open(x + '&popup=1','profile','width=400,height=300');
	winHan.focus();
}

function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			if (oldonload) {
				oldonload();
			}
			func();
		}
	}
}

function addUnLoadEvent(func) {
	var oldonunload = window.onunload;
	if (typeof window.onunload != 'function') {
		window.onunload = func;
	} else {
		window.onunload = function() {
			if (oldonunload) {
				oldonunload();
			}
			func();
		}
	}
}
