if (top.location != location) top.location.href = location.href;

function clearMe(formfield){
  if (formfield.defaultValue==formfield.value)
   formfield.value = ""
 }

function alertSize() {
	myHeight = 0;
	
	if( typeof( window.innerWidth ) == 'number' ) {
		//Non-IE
		myHeight = window.innerHeight;
		} else {
			if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
				//IE 6+ in 'standards compliant mode'
				myHeight = document.documentElement.clientHeight;
			} else {
			if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
				//IE 4 compatible
				myHeight = document.body.clientHeight;
			}
		}
	}
	
	if(document.all){
		document.all.contentblok.style.height=myHeight-225+'px'; /* minus de padding */
	}	else {
		document.getElementById("contentblok").style.height=myHeight-225+'px'; /* minus de padding */
	}
};

window.onresize = alertSize;

function inladen()
{	
	rolly = new Array()
	   
	rolly[0] = new Image(400,447) 
	rolly[0].src = "images/kaart/regios_hav_drenthe.gif" 
	
	rolly[1] = new Image(400,447)
	rolly[1].src = "images/kaart/regios_hav_flevoland.gif"
	
	rolly[2] = new Image(400,447)
	rolly[2].src = "images/kaart/regios_hav_friesland.gif"
	
	rolly[3] = new Image(400,447)
	rolly[3].src = "images/kaart/regios_hav_gelderland.gif"
	
	rolly[4] = new Image(400,447)
	rolly[4].src = "images/kaart/regios_hav_groningen.gif"
	
	rolly[5] = new Image(400,447)
	rolly[5].src = "images/kaart/regios_hav_limburg.gif"
	
	rolly[6] = new Image(400,447)
	rolly[6].src = "images/kaart/regios_hav_noordbrabant.gif"
	
	rolly[7] = new Image(400,447)
	rolly[7].src = "images/kaart/regios_hav_noordholland.gif"
	
	rolly[8] = new Image(400,447)
	rolly[8].src = "images/kaart/regios_hav_overijssel.gif"
	
	rolly[9] = new Image(400,447)
	rolly[9].src = "images/kaart/regios_hav_utrecht.gif"
	
	rolly[10] = new Image(400,447)
	rolly[10].src = "images/kaart/regios_hav_zeeland.gif"
	
	rolly[11] = new Image(400,447)
	rolly[11].src = "images/kaart/regios_hav_zuidholland.gif"
	
	rolly[12] = new Image(400,447)
	rolly[12].src = "images/kaart/regios_hav_leeg.gif"
}

function show_provincie(){
  document.drenthe.src = rolly[0].src;
  return true;
}

function show_provincie1(){
  document.flevoland.src = rolly[1].src;
  return true;
}

function show_provincie2(){
  document.friesland.src = rolly[2].src;
  return true;
}

function show_provincie3(){
  document.gelderland.src = rolly[3].src;
  return true;
}

function show_provincie4(){
  document.zuidholland.src = rolly[11].src;
  return true;
}

function show_provincie5(){
  document.groningen.src = rolly[4].src;
  return true;
}

function show_provincie6(){
  document.limburg.src = rolly[5].src;
  return true;
}

function show_provincie7(){
  document.noordbrabant.src = rolly[6].src;
  return true;
}

function show_provincie8(){
  document.noordholland.src = rolly[7].src;
  return true;
}

function show_provincie9(){
  document.overijssel.src = rolly[8].src;
  return true;
}

function show_provincie10(){
  document.utrecht.src = rolly[9].src;
  return true;
}

function show_provincie11(){
  document.zeeland.src = rolly[10].src;
  return true;
}

function hide_provincie(){
  document.drenthe.src = rolly[12].src;
  document.flevoland.src = rolly[12].src;
  document.friesland.src = rolly[12].src;
  document.gelderland.src = rolly[12].src;
  document.groningen.src = rolly[12].src;
  document.limburg.src = rolly[12].src;
  document.noordbrabant.src = rolly[12].src;
  document.noordholland.src = rolly[12].src;
  document.zuidholland.src = rolly[12].src;  
  document.overijssel.src = rolly[12].src;
  document.utrecht.src = rolly[12].src;
  document.zeeland.src = rolly[12].src;
  return true;
}

function Validate()
  {
  if (document.form.naam.value == "")
    {
    alert("Vult u alstublieft uw naam in.");
    document.form.naam.focus();
    return false;
    }
  if (document.form.adres.value == "")
    {
    alert("Vult u alstublieft uw adres in.");
    document.form.adres.focus();
    return false;
    }
  if (document.form.woonplaats.value == "")
    {
    alert("Vult u alstublieft uw woonplaats in.");
    document.form.woonplaats.focus();
    return false;
    }
  if (document.form.email.value == "")
    {
    alert("Vult u alstublieft uw e-mailadres in.");
    document.form.email.focus();
    return false;
    }
	if (document.form.reden[0].checked == false &&
		document.form.reden[1].checked == false)
		{
		alert("Vinkt u alstublieft een keuzerondje aan Informatieverzoek of inschrijving");
		return false;
		}          
  return true;
  }