// Goolge stats code
var _gaq = _gaq || [];
  _gaq.push(['_setAccount', 'UA-4003940-9']);
  _gaq.push(['_trackPageview']);
  (function() {
    var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
    ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
  })();
// statusregel a hrefs onderdrukken en disable select
function LeegStatus() { 
  for ( var count = 0 ; count < document.links.length; count++ ) {
    document.links[count].onmouseover = StatusTekst ;
    document.links[count].onmouseout = BlancoStatus ;
  }
  document.onselectstart = function() {return false;} // ie
  document.onmousedown = function() {return false;} // mozilla
}
// statusregel a hrefs onderdrukken en select enabled
function StatusLeeg() { 
  for ( var count = 0 ; count < document.links.length; count++ ) {
    document.links[count].onmouseover = StatusTekst ;
    document.links[count].onmouseout = BlancoStatus ;
  }
}
// statusregel legen 
function BlancoStatus() { window.status = "" ; return true ; } 
// inhoud van de link op de statusregel zetten
function StatusTekst(evt) { 
  if (navigator.appName=="Microsoft Internet Explorer") {
    window.status = this.innerText;return true ;
  }
  else {
    window.status = evt.target.innerHTML;return true ; 
  }
}  
/* teruggeven cookie-waarde */
function getCookieVal (offset) {
var endstr = document.cookie.indexOf (";", offset);
if (endstr == -1)
endstr = document.cookie.length;
return unescape(document.cookie.substring(offset, endstr));
}
/* teruggeven specifieke cookie-waarde */
function GetCookie (name) {
var arg = name + "=";
var alen = arg.length;
var clen = document.cookie.length;
var i = 0;
while (i < clen) {
var j = i + alen;
if (document.cookie.substring(i, j) == arg)
return getCookieVal (j);
i = document.cookie.indexOf(" ", i) + 1;
if (i == 0) break;
}
return null;
}
// functies voor tonen en verbergen submenu-items in het hoofdmenu
function schakelen(klasse) {
  var rijen = document.getElementsByTagName('li')
  for(var x=0;x<rijen.length;x++){
    if (klasse.length==5) {
      if (rijen[x].className==klasse) {
        rijen[x].className = 'actief'
      }
    }
    else if (klasse.length>=3) {
      if (rijen[x].className==klasse) {
        rijen[x].className = 't'+rijen[x].className
      }
      else if (rijen[x].className=='t'+klasse.substring(1,rijen[x].className.length-1)) {
        rijen[x].className = rijen[x].className.substring(1,rijen[x].className.length)
      }
      else if (rijen[x].className.substring(0,2)==klasse.substring(0,2)) {
        rijen[x].className = 't'+rijen[x].className
      }
      else if (rijen[x].className.substring(0,3)=='t'+klasse.substring(0,2)) {
        rijen[x].className = rijen[x].className.substring(1,rijen[x].className.length)
      }
    }
    else if (klasse.length==2) {
      if (rijen[x].className.substring(0,2)==klasse) {
        rijen[x].className = 't'+rijen[x].className
      }
      else if (rijen[x].className.substring(0,1)=='t') {
        rijen[x].className = rijen[x].className.substring(1,rijen[x].className.length)
      }
    }
  }
}
function topmarge() {
  var clh=document.body.clientHeight;
  var coh=630;
  if (clh > coh) {
    i=Math.round((clh-coh)/2);
  }
  else {
    i = 10
  }
  return i;
}
/*********************************************************
validateText()
This function checks to make sure the user has entered
data into a text-only field.
Arguments:
fld = field
**********************************************************/
function validateText(fld)
{
	if(fld.value=="")
	{
	//	fld.focus();
		return false;	
	}//endif
	return true;
}//endfunction validatetext
/*********************************************************
validateRadio()
This function checks to make sure the user has selected
an option from a Radiobutton.
Arguments:
fld = field
**********************************************************/
function validateRadio(fld)
{
	var radioSelected = false;
	for (i = 0;  i < fld.length;  i++)
	{
		if(fld[i].checked)
		{
			radioSelected = true;	
		}//endif
	}
	if (radioSelected)
		return true;
	else
		return false;
}//endfunction validateRadio
/*********************************************************
validateRadio()
This function checks to make sure the user has selected
an option from a Radiobutton.
Arguments:
fld = field
**********************************************************/
function getSelectedValueRadio(fld)
{
	for (i = 0;  i < fld.length;  i++)
	{
		if(fld[i].checked)
		{
			return fld[i].value;
		}//endif
	}	
}//end function getSelectedValueradio
/*********************************************************
validateCombobox()
This function checks to make sure the user has selected
an option from a combobox.  (The first option should 
always be "(please select)"
Arguments:
fld = field
**********************************************************/
function validateCombobox(fld)
{
	var idx=fld.selectedIndex;
	
	if(idx== -1 || idx==0 )
	{
	//	fld.focus();
		return false;	
	}//endif
	return true;
}//endfunction validateCombobox
/*********************************************************
getSelectedValueCombobox()
This function gets the selected value from a combobox/drop down box
Arguments:
fld = field
**********************************************************/
function getSelectedValueCombobox(fld) /* For Drop Down list */
{
for(var i = 0; i < fld.options.length; i++)
{
if(fld.options[i].selected == true)
return fld.options[i].text;
}
return ""
}