var ie=document.all
var ns6=document.getElementById&&!document.all

function ietruebody(){
return (document.compatMode && document.compatMode!="BackCompat" && !window.opera)? document.documentElement : document.body
}

function enlarge(which, e, position, imgwidth, imgheight, imgtop, imgleft, cKode, cPrijs, minduur, maxduur,van,tot){

if (ie||ns6){
crossobj=document.getElementById? document.getElementById("showimage") : document.all.showimage
if (position=="center")
{
pgyoffset=ns6? parseInt(pageYOffset) : parseInt(ietruebody().scrollTop)
horzpos=ns6? pageXOffset+window.innerWidth/2-imgwidth/2 : ietruebody().scrollLeft+ietruebody().clientWidth/2-imgwidth/2
vertpos=ns6? pgyoffset+window.innerHeight/2-imgheight/2 : pgyoffset+ietruebody().clientHeight/2-imgheight/2
if (window.opera && window.innerHeight) //compensate for Opera toolbar
vertpos=pgyoffset+window.innerHeight/2-imgheight/2
vertpos=Math.max(pgyoffset, vertpos)
}
else{
var horzpos=ns6? pageXOffset+e.clientX : ietruebody().scrollLeft+event.clientX
var vertpos=ns6? pageYOffset+e.clientY : ietruebody().scrollTop+event.clientY
}
//nTop=imgtop*42
nTop=150
//crossobj.style.left=horzpos+"px"
crossobj.style.top=0+"px"
crossobj.style.left=0 +"px"
crossobj.style.color="#990000"
crossobj.style.size=7+"px"




//crossobj.style.right="100px"
crossobj.style.top= nTop+"px"
// met foto
//crossobj.innerHTML='<div align="right" id="dragbar"><span id="closetext" </span> </div><img ISMAP src="'+which+'"><BR><img ISMAP src="'+cKode+'"><BR>prijs p.p. (bij 6 personen) &euro;&nbsp;'+cPrijs
// zonder foto
crossobj.innerHTML='<div align="right" id="dragbar"><span id="closetext" </span> </div><img ISMAP src="'+cKode+'"><BR>&nbsp;&nbsp;prijs p.p. EUR '+cPrijs +'<BR>&nbsp;&nbsp;(bij 6 personen en duur ' + minduur + ' uur)<BR>&nbsp;&nbsp;max.vaarduur is ' +maxduur+' uur';

crossobj.style.visibility="visible"
return false
}
else //if NOT IE 4+ or NS 6+, simply display image in full browser window
return true
}

function closepreview(){
crossobj.style.visibility="hidden"
}

function drag_drop(e){
if (ie&&dragapproved){
crossobj.style.left=tempx+event.clientX-offsetx+"px"
crossobj.style.top=tempy+event.clientY-offsety+"px"
}
else if (ns6&&dragapproved){
crossobj.style.left=tempx+e.clientX-offsetx+"px"
crossobj.style.top=tempy+e.clientY-offsety+"px"
}
return false
}

function initializedrag(e){
if (ie&&event.srcElement.id=="dragbar"||ns6&&e.target.id=="dragbar"){
offsetx=ie? event.clientX : e.clientX
offsety=ie? event.clientY : e.clientY

tempx=parseInt(crossobj.style.left)
tempy=parseInt(crossobj.style.top)

dragapproved=true
document.onmousemove=drag_drop
}
}

document.onmousedown=initializedrag
document.onmouseup=new Function("dragapproved=false")

function RadioCheck(x,veld) {

if (veld == 'lok1')
  {Gesloten.value=8;}
if (veld == 'lok2')
  {Gesloten.value=8;}

if (x == 'lok')
  {Form1.DEFLOK.value=veld;
  KalenderOptions();
  }

if (x == 'ZP')
  {ZP.value=veld}

if (x == 'BETALING')
  {Form1.BETALING.value=veld}

}


function myalert(msg)
{alert(msg);}


function parser(fn) 
{
location.href = fn;
}


function Myonkeypress(theField)
{
  theField.focus();
  return (true);
}


function mail(theField) 
{return (true)
}

function postkode()
{
  theField = "postcode_start";
  str = eval("document.Form1." + theField);
  var str = new String(str.value);
  var sp = str.substr(0,4);
  sp = sp*1;
  if (sp < 1000)
    {alert('tik in ieder geval de vier cijfers van de postcode');
    return false;}
  return true;
}


function checkCR(evt) {

    var evt  = (evt) ? evt : ((event) ? event : null);

    var node = (evt.target) ? evt.target : ((evt.srcElement) ? evt.srcElement : null);

    if ((evt.keyCode == 13) && (node.type=="text")) {return false;}
    if ((evt.keyCode == 13) && (node.type=="password")) {return false;}
    if ((evt.keyCode == 13) && (node.type=="checkbox")) {return false;}

  }

  document.onkeypress = checkCR;

function checkRequired(f) {
   var strError = "";
   var ingelogd = "1";
   for (var intLoop = 0; intLoop<f.elements.length; intLoop++)
      if (null!=f.elements[intLoop].getAttribute("required")) 
         if (isEmpty(f.elements[intLoop].value))
            strError += "  " + f.elements[intLoop].name + "\n";
      if ("" != strError) {
         alert("Benodigde gegevens ontbreken van:\n" + strError);
         return false;
      }
//      document.write('<CENTER><IMG SRC="mailbox.gif"><BR><BR><B>bezig met verzenden');
//      alert('verzenden');
      document.all.HideShow.style.display="";
      return true;
   }

function verzenden()
{
funktie = "mai";
funktie += "lto:";
funktie += "info";
funktie += "@";
funktie += "lekkervaren.com";
location.href=funktie;
}