function getSizePage(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}
function getScrollPage(){

	var yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
	}

	arrayPageScroll = new Array('',yScroll) 
	return arrayPageScroll;
}
function openpopup(extra)
{
  if(!extra)
  {
    extra = "";
  }else
  {
    document.getElementById("popupinhoud2").style.left = "20%";
		document.getElementById("popupoverlay2").style.width = "100%";
    document.getElementById("popupoverlay2").style.display = 'block';
    document.getElementById("popupinhoud2").style.display = 'block';
  }
    var arrayPageSize = getSizePage();
		var arrayPageScroll = getScrollPage();
		scrollTo(0,0);
	  document.getElementById("popupinhoud"+extra).style.top = "50px";
	    if(document.getElementById('onderunderlay').offsetHeight > document.getElementById('midden').offsetHeight )
	   { 
      document.getElementById("popupoverlay"+extra).style.height = document.getElementById('onderunderlay').offsetHeight+"px";
     }else
     {
     document.getElementById("popupoverlay"+extra).style.height = document.getElementById('midden').offsetHeight+"px";
     }
			document.getElementById("popupoverlay"+extra).style.width = "100%";
}
function openpopup2(extra)
{
  if(!extra)
  {
    extra = "";
  }
    var arrayPageSize = getSizePage();
		var arrayPageScroll = getScrollPage();
		scrollTo(0,180);
		document.getElementById("popupinhoud" + extra).style.top = "215px";
		document.getElementById("popupinhoud" + extra).style.display = "block";
	    if(document.getElementById('onderunderlay').offsetHeight > document.getElementById('midden').offsetHeight )
	   { 
      document.getElementById("popupoverlay"+extra).style.height = document.getElementById('onderunderlay').offsetHeight+"px";
     }else
     {
     document.getElementById("popupoverlay"+extra).style.height = document.getElementById('midden').offsetHeight+"px";
     }
     document.getElementById("popupoverlay" + extra).style.width = "100%";
     document.getElementById("popupoverlay" + extra).style.height = "100%";
     document.getElementById("popupoverlay" + extra).style.display = "block";
}
function closepopup(extra)
{
  if(!extra)
  {
    extra = "";
  }
  document.getElementById("popupoverlay"+extra).style.display = 'none';
  document.getElementById("popupinhoud"+extra).style.display = 'none';
  try
  {
    document.getElementById("ctl00_cphMidden_c_branches").style.visibility = 'visible';
  }catch(e){}
}

function closepopup2(extra)
{
  if(!extra)
  {
    extra = "";
  }
  document.getElementById("popupoverlay"+extra).style.display = 'none';
  document.getElementById("popupinhoud"+extra).style.display = 'none';
  try
  {
    document.getElementById("ctl00_cphMidden_c_branches").style.visibility = 'visible';
  }catch(e){}
}