//v3.0
function MM_swapImgRestore() {
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

//v3.0
function MM_preloadImages() {
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

//v4.01
function MM_findObj(n, d) {
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

//v3.0
function MM_swapImage() {
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

//v6.0
function MM_nbGroup(event, grpName) {
  var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) {
      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    nbArr = document[grpName];
    if (nbArr)
      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}

//v1.0
function MM_openWin(url, name, features)
{
  return window.open(url, name, features);
}

//v1.0
function MM_printWin(name, features)
{
  var url = location.href; if(url.charAt(url.length-1) == '#') {
    url = url.substring(0, location.href.length-1);
  } url += '&p=1'; if(!features) {
    features = 'toolbar=1, location=1, directories=1, status=1, menubar=1, resizable, scrollbars=1';
  } return MM_openWin(url, name, features);
}

//v1.0
function MM_isEmpty(s)
{
  if(s != null || s != '') {
    for(i=0; i<s.length; i++) { 
      if(s.charAt(i) != " ") return false;
  } } return true;
}

//v1.0
function MM_isNumeric(s)
{
  var vc="0123456789", r=true; if(!MM_isEmpty(s)) {
    for(i=0; i<s.length && r; i++) {
	  if(vc.indexOf(s.charAt(i)) == -1) return false; 
  } } return r;
}

//v1.0
function MM_addToWW(urlt, hndc)
{
  if(MM_isEmpty(hndc.value)) { alert("Het aantal is niet ingevuld!"); hndc.focus(); } 
  else if(MM_isNumeric(hndc.value)) { 
  	tmp = urlt.split("%"); url = tmp[0] + hndc.value + tmp[2];
  	window.location.href = url;//urlt.replace("/%count%/", hndc.value);*/
  } else { alert("Het aantal is niet numeriek!"); hndc.value=""; hndc.focus(); }
}

//v1.0
function MM_confirm(q)
{
	return window.confirm(q);
}

//v1.0
function MM_checkSearch(f)
{
  var s=f.elements["search[naam]"].value;
  if(s.length > 0) { if(s.charAt(0) == "%" || s.charAt(0) == "_") { return false; } 
    if(s.charAt(s.length-1) == "%" || s.charAt(s.length-1) == "_") { return false; }
    return true; } 
  return false;
  
  //if(f.elements["search[naam]"].value != "") { return true; } return false;
}

//v1.0
function MM_mkAddAction(urlt)
{
	//alert("Het winkelwagen systeem is tijdelijk niet bruikbaar.\nSorry voor het ongemak.\n\nBart Koster");
	//return;
	needToConfirm = false;
	var qs = ""; var f = document.product_form;
	for(idx=0; idx<f.elements.length; idx++) { var o = f.elements[idx]; 
		var n = o.name; if(n.indexOf("aantal_") != -1) {
			if(!MM_isEmpty(o.value) && MM_isNumeric(o.value)) {
				var pid = n.substring(n.indexOf("_")+1);
				qs += pid + "_" + o.value + "|";
	} } } qs = qs.substring(0, qs.length-1); //remove last '|'
	if(qs != "") { var tmp = urlt.split("%"); 
		urlt = tmp[0] + qs + tmp[2]; window.location.href = urlt;
	}
}

function confirmChanges()
{
	if (needToConfirm) {
		return "U probeert de pagina te verlaten, maar er zijn nog niet bestelde items.";
	}

}

function setNeedToConfirm()
{
	needToConfirm = true;
}