function ShowPopup() {
	document.getElementById("saldoCheck").style.display = "block";
}
function HidePopup() {
	if (document.getElementById("layoverBack")){document.getElementById("layoverBack").style.display = "none";}
	document.getElementById("saldoCheck").style.display = "none";
}
function FlashLoad(){
	setTimeout('document.getElementById("banner").style.display = "block"',100);
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  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];}}
}

function MM_findObj(n, d) { //v4.01
  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;
}

function MM_swapImage() { //v3.0
  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];}
}

function setCookie(c_name,value,expiredays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    {
    c_start=c_start + c_name.length+1;
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    }
  }
return "";
}

function checkCookie()
{
cookiechecking=getCookie('YinX_intro');
if (cookiechecking!=null && cookiechecking!="")
  {
  }
else
  {
	document.getElementById("intro").style.display = "block";
    setCookie('YinX_intro','check');
  }
}

function toUnicode(elmnt,content,event)
{
var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
		
	//if (event.keyCode == 8) {
		//previous=elmnt.tabIndex -2;
		//document.saldoform.elements[previous].value="";
		//document.saldoform.elements[previous].focus();
    //} 
	if (keyCode == 37){
		previous=elmnt.tabIndex -2;
		document.saldoform.elements[previous].focus();
		}
	else if (content.length==elmnt.maxLength)
		{
		next=elmnt.tabIndex
		if (next<document.saldoform.elements.length)
		{
		document.saldoform.elements[next].focus()
		}
	}
}

function ClearSelectField(elmnt){
	current = elmnt.tabIndex -1;
	//document.saldoform.elements[current].focus(); 
	//document.saldoform.elements[current].value = ""; 
	document.saldoform.elements[current].select();
}
function ClearField(elmnt){
	current = elmnt.tabIndex -1;
	document.saldoform.elements[current].value = ""; 
}

//open popups
function popups(pwidth, pheight, url, scrollbars) {
	var left = (window.screen.width/2 - pwidth/2);
	var top = (screen.height/2 - pheight/2);
	newwindow=window.open(''+url+'','','width='+pwidth+',height='+pheight+',left='+left+',top='+top+',scrollbars='+scrollbars+',dependent=yes,alwaysRaised=1');
}

function checkBestelForm(lang) {
var str=document.abonnement.email.value;
var filter=/^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
var filterblank = /\s/g;  
RegExp.multiline = true;

postcode = document.abonnement.postcode.value.charAt(0)+document.abonnement.postcode.value.charAt(1)+document.abonnement.postcode.value.charAt(2)+document.abonnement.postcode.value.charAt(3);

var doorgaan = "true";
	if (postcode == "") 
      {
		doorgaan = "false";
		if(lang == "nl"){ foutmelding = "Er is geen postcode ingevuld."; }
		if(lang == "fr"){ foutmelding = "Veuillez renseigner votre code postal."; }
		if(lang == "eng"){ foutmelding = "The postal code is missing."; }
		document.abonnement.postcode.focus();
    }else if (IsNumeric(postcode) == false) 
      {
		doorgaan = "false";
		if(lang == "nl"){ foutmelding = "De eerste 4 karakters van een postcode dienen uit cijfers te bestaan"; }
		if(lang == "fr"){ foutmelding = "Les 4 premiers caractères du code postal doivent être composé de chiffres"; }
		if(lang == "eng"){ foutmelding = "The first 4 characters of a postal code are numbers"; }
		document.abonnement.postcode.focus();
    }else if (document.abonnement.email.value.length<=0) {
		doorgaan = "false";
		if(lang == "nl"){ foutmelding = "Er is geen e-mailadres ingevuld."; }
		if(lang == "fr"){ foutmelding = "Veuillez renseigner votre adresse email."; }
		if(lang == "eng"){ foutmelding = "The email address is missing."; }
		document.abonnement.email.focus();
	}else if (!filter.test(str)) {
		doorgaan = "false";
		if(lang == "nl"){ foutmelding = "Er is geen geldig e-mailadres ingevoerd."; }
		if(lang == "fr"){ foutmelding = "Votre adresse email n'est pas valide."; }
		if(lang == "eng"){ foutmelding = "The email address is not valid."; }
		document.abonnement.email.focus();
	}else if (filterblank.test(str)) {
		doorgaan = "false";
		if(lang == "nl"){ foutmelding = "Controleer je e-mailadres: e-mailadressen kunnen nooit spaties bevatten."; }
		if(lang == "fr"){ foutmelding = "Verifier votre adresse email: une adresse email n'a jamais d'espaces."; }
		if(lang == "eng"){ foutmelding = "E-mail adresses cannot contain spaces."; }
		document.abonnement.email.focus();
	}else if (IsNumeric(document.abonnement.telefoonnummer.value) == false && document.abonnement.telefoonnummer.value.length !== 0) 
      {
		doorgaan = "false";
		if(lang == "nl"){ foutmelding = "Een telefoonnummer kan alleen cijfers bevatten"; }
		if(lang == "fr"){ foutmelding = "Un numéro de téléphone peut contenir que des chiffres"; }
		if(lang == "eng"){ foutmelding = "A phone number can contain only numbers"; }
		document.abonnement.telefoonnummer.focus();
    }

	if (doorgaan=="true") {
		return true;
	}else {
		alert(foutmelding);
		return false;
	}
}

function IsNumeric(strString)
   //  check for valid numeric strings	
   {
   var strValidChars = "0123456789.-";
   var strChar;
   var blnResult = true;

   if (strString.length == 0) return false;

   //  test strString consists of valid characters listed above
   for (i = 0; i < strString.length && blnResult == true; i++)
      {
      strChar = strString.charAt(i);
      if (strValidChars.indexOf(strChar) == -1)
         {
         blnResult = false;
         }
      }
   return blnResult;
}