function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}

sfHover = function() {
        if (!window.attachEvent) {return false;}
        var sfEls = document.getElementById("hoofdmenu").getElementsByTagName("LI");
        for (var i=0; i<sfEls.length; i++) {
                sfEls[i].onmouseover=function() {
                        this.className+=" sfhover";
                }
                sfEls[i].onmouseout=function() {
                        this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
                }
        }
}

if (window.attachEvent) window.attachEvent("onload", sfHover)
	
	
function printMe()
	{
	document.getElementById("printcontent").innerHTML = window.opener.document.getElementById("printable").innerHTML;
	return true;
	}
	
	
PositionX = 100;
PositionY = 100;
defaultWidth  = 500;
defaultHeight = 500;
var AutoClose = true;

if (parseInt(navigator.appVersion.charAt(0))>=4){
var isNN=(navigator.appName=="Netscape")?1:0;
var isIE=(navigator.appName.indexOf("Microsoft")!=-1)?1:0;}
var optNN='scrollbars=no,width='+defaultWidth+',height='+defaultHeight+',left='+PositionX+',top='+PositionY;
var optIE='scrollbars=no,width=150,height=100,left='+PositionX+',top='+PositionY;

function popImage (imageURL, caption) {

if (caption=="NL") {caption="Uitvergroting";}
if (caption=="EN") {caption="Large image";}


  var windowTop = 100;                // Top position of popup
  var windowLeft = 100                // Left position of popup
  var defaultWidth = 730;             // Default width (for browsers that cannot resize)
  var defaultHeight = 532;            // Default height (for browsers that cannot resize)
  var onLoseFocusExit = true;         // Set if window to exit when it loses focus
  var undefined;

  // Set up the window open options
  var Options = "width=" + defaultWidth + ",height=" + defaultHeight + ",top=" + windowTop + ",left=" + windowLeft + ",resizable"
  
  // Now write the HTML markup to the new window, ensuring that we insert the 
  // parameter URL of the image and the parameter description of the image in 
  // the right place.
  var myScript = "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n" +
    "<html>\n" + 
    "<head>\n" + 
    "<title>" + caption + "\</title>\n" +
    "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=ISO-8859-1\">\n" +
    "<meta http-equiv=\"Content-Language\" content=\"en-gb\">\n" +
    "<script language=\"JavaScript\" type=\"text/javascript\">\n" +
    "function resizewindow () {\n" +
    "  var width = document.myimage.width;\n" + 
    "  var height = document.myimage.height;\n";
  
  // Netscape  
  if (navigator.appName.indexOf("Netscape") != -1) {  
    myScript = myScript +  "  window.innerHeight = height;\n  window.innerWidth = width;\n"
  }
   
  // Opera 
  else if (navigator.appName.indexOf("Opera") != -1) {
    myScript = myScript +  "  window.resizeTo (width+12, height+31);\n"
  }
  
  // Microsoft 
  else if (navigator.appName.indexOf("Microsoft") != -1) { 
    myScript = myScript + "  window.resizeTo (width+12, height+31);\n" 
  }
  
  // Assume a frig factor for any other browsers
  else {
    myScript = myScript + "  window.resizeTo (width+14, height+34);\n"
  }
      
  myScript = myScript + "}\n" + "window.onload = resizewindow;\n" +
    "</script>\n</head>\n" + "<body ";
    
  // If the window is required to close when it loses focus.
  if (onLoseFocusExit) {myScript = myScript + "onblur=\"self.close()\" ";}
    
  myScript = myScript + "style=\"margin: 0px; padding: 0px;\">\n" +
    "<a href='javascript:window.close();'><img src=\"" + imageURL + "\" alt=\"" + caption + "\" title=\"" + caption + "\" name=\"myimage\" border='0'></a>\n" + 
    "</body>\n" +  "</html>\n";
        
  // Diagnostic - uncomment the next line if you wish to see the script generated.   
  //alert (myScript);
  
  // Create the popup window
  var imageWindow = window.open ("","imageWin",Options);
  imageWindow.document.write (myScript)
  imageWindow.document.close ();
  if (window.focus) imageWindow.focus();
  return false;
}
	
//Form checks
function MM_validateFormEN() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateFormNL.arguments;

  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);hr=args[i+1];o=val;

   // if (String(val.type)=="undefined") {val=getElementsByTagName(val);}
    if (val) { nm=val.name;T=val.type;

    if(val.length>0 && val[0].type=="radio") {T="radio";}

if ((val=val.value)!="" && T!="checkbox" && T!="radio") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+URLDecode(hr)+' must contain a valid e-mail address.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+URLDecode(hr)+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+URLDecode(hr)+'must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') 
	{
	
	if (T=="checkbox" && o.checked==false) {errors += '- '+URLDecode(hr)+' is required\n'; }
	if (T=="radio" && getCheckedValue(o)==false) {errors += '- '+URLDecode(hr)+' is required\n'; }
	if (T!="checkbox" && T!="radio")
		{errors += '- '+URLDecode(hr)+' is required\n'; }
	}
}
  } if (errors) alert('The following information is incorrect:\n'+errors);

  document.MM_returnValue = (errors == '');
}

function MM_validateFormNL() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateFormNL.arguments;

  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);hr=args[i+1];o=val;

   // if (String(val.type)=="undefined") {val=getElementsByTagName(val);}
    if (val) { nm=val.name;T=val.type;

    if(val.length>0 && val[0].type=="radio") {T="radio";}

if ((val=val.value)!="" && T!="checkbox" && T!="radio") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+URLDecode(hr)+' moet een geldig e-mail adres bevatten.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+URLDecode(hr)+' moet een nummer bevatten.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+URLDecode(hr)+' moet een nummer tussen '+min+' en '+max+' bevatten.\n';
    } } } else if (test.charAt(0) == 'R') 
	{
	
	if (T=="checkbox" && o.checked==false) {errors += '- '+URLDecode(hr)+' is verplicht\n'; }
	if (T=="radio" && getCheckedValue(o)==false) {errors += '- '+URLDecode(hr)+' is verplicht!\n'; }
	if (T!="checkbox" && T!="radio")
		{errors += '- '+URLDecode(hr)+' ontbreekt\n'; }
	}
}
  } if (errors) alert('De volgende informatie is incorrect:\n'+errors);

  document.MM_returnValue = (errors == '');
}

function getCheckedValue(radioObj) {
	if(!radioObj)
		return false;
	var radioLength = radioObj.length;
	if(radioLength == undefined)
		if(radioObj.checked)
			return radioObj.value;
		else
			return false;
	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}
	return false;
}

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 URLDecode(psEncodeString)
	{
	var lsRegExp = /\+/g;
	return unescape(String(psEncodeString).replace(lsRegExp, " "));
	}	
	
	
	
