function showDiv( show ) {

	if ( show  == show_tellafriend ) {

		document.getElementById('show_tellafriend').style.display='block';

		document.getElementById('display_tellafriend').style.display='none';

	}

	else if ( show  == display_tellafriend ) {

		document.getElementById('display_tellafriend').style.display='block';

		document.getElementById('show_tellafriend').style.display='none';

	}

}





function Validator(TellaFriend)

{



  if (TellaFriend.naamzender.value == "")

  {

    alert("U bent uw naam vergeten in te voeren.");

    TellaFriend.naamzender.focus();

    return (false);

  }



  if (TellaFriend.naamfriend.value == "")

  {

    alert("U bent een naam vergeten in te voeren.");

    TellaFriend.naamfriends.focus();

    return (false);

  }

  

  if (TellaFriend.emailfriend.value == "")

  {

    alert("Voer a.u.b. een email-adres in.");

    theForm.emailfriend.focus();

    return (false);

  }

  return (true);

}

// JavaScript Document

//specify interval between slide (in mili seconds)
var slidespeed=8000

//specify images
var slideimages=new Array("img/top_pica1.jpg","img/top_pica2.jpg","img/top_pica3.jpg","img/top_pica4.jpg")

//specify corresponding links
var slidelinks=new Array("","","","")

var newwindow=1 //open links in new window? 1=yes, 0=no

var imageholder=new Array()
var ie=document.all
for (i=0;i<slideimages.length;i++){
imageholder[i]=new Image()
imageholder[i].src=slideimages[i]
}

function gotoshow(){
if (newwindow)
window.open(slidelinks[whichlink])
else
window.location=slidelinks[whichlink]
}

var slideimages2=new Array("img/topright1.jpg","img/topright2.jpg","img/topright3.jpg","img/topright4.jpg","img/topright5.jpg","img/topright6.jpg","img/topright7.jpg")

//specify corresponding links
var slidelinks2=new Array("","","","","","","")

var imageholder2=new Array()
var ie2=document.all
for (i=0;i<slideimages2.length;i++){
imageholder2[i]=new Image()
imageholder2[i].src=slideimages2[i]
}

function gotoshow2(){
if (newwindow)
window.open(slidelinks2[whichlink])
else
window.location=slidelinks2[whichlink]
}

menu_on = new Image();
menu_on.src = "../img/menu_on.jpg";
menu_off = new Image();
menu_off.src = "../img/menu_off.jpg";
menu_active = new Image();
menu_active.src = "../img/menu_active.jpg";