// JavaScript Document
function correctPNG() // correctly handle PNG transparency in Win IE 5.5 & 6.
{
	var arVersion = navigator.appVersion.split("MSIE")
	var version = parseFloat(arVersion[1])
   if ((version >= 5.5) && (document.body.filters) && (version < 7.0)) 
	{
		for(var i=0; i<document.images.length; i++)
		{
			var img = document.images[i]
			var imgName = img.src.toUpperCase()
			if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
			{
				var imgID = (img.id) ? "id='" + img.id + "' " : ""
				var imgClass = (img.className) ? "class='" + img.className + "' " : ""
				var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
				var imgStyle = "display:inline-block;" + img.style.cssText
				if (img.align == "left") imgStyle = "float:left;" + imgStyle
				if (img.align == "right") imgStyle = "float:right;" + imgStyle
				if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
				var strNewHTML = "<span " + imgID + imgClass + imgTitle
				+ " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
				+ "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
				+ "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>"
				img.outerHTML = strNewHTML
				i = i-1
			}
		}
	}
}
// Get the HTTP Object
function getHTTPObject()
{
 try
 {
  return new XMLHttpRequest();
 }
 catch(e)
 {
  var ieXmlHttpVersions = new Array();
  ieXmlHttpVersions[ieXmlHttpVersions.length] = "MSXML2.XMLHttp.7.0";
  ieXmlHttpVersions[ieXmlHttpVersions.length] = "MSXML2.XMLHttp.6.0";
  ieXmlHttpVersions[ieXmlHttpVersions.length] = "MSXML2.XMLHttp.5.0";
  ieXmlHttpVersions[ieXmlHttpVersions.length] = "MSXML2.XMLHttp.4.0";
  ieXmlHttpVersions[ieXmlHttpVersions.length] = "MSXML2.XMLHttp.3.0";
  ieXmlHttpVersions[ieXmlHttpVersions.length] = "MSXML2.XMLHttp";
  ieXmlHttpVersions[ieXmlHttpVersions.length] = "Microsoft.XMLHttp";

  var i;
  for (i=0; i < ieXmlHttpVersions.length; i++)
  {
   try
   {
    return new ActiveXObject(ieXmlHttpVersions[i]);
   }
   catch (e)
   {
 //   alert(ieXmlHttpVersions[i] + " not supported.");
   }
  }
 }
}
// volgende 2 functies zorgen voor de teksten in de invulschermen
function checkEntry(o,dTxt)
{
	if (!o.defTxt)
	{
		o.defTxt = dTxt;
		o.onblur = function ()
		{
			trimField(this);
			with (this)
			{
				if (value == '' || value == defTxt)
				{
					value = defTxt;
					o.style.color = '#a5acb2';
				}
			}
		}
	}
	if (o.value == o.defTxt)
	{
		o.value = '';
		o.style.color = '#202b60';
	}
}
function trimField (o)
{
	var v = o.value.replace(/^ +| +$/g,'');
	o.value = v;
}

// het verwerken van een aanvraag voor toevoeging aan de nieuwsbrief
function inschrijvenNieuwsbrief()
{
	var Naam =	document.getElementById("Naam").value;
	var emailRegEx = /^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/i;
	var Email =	document.getElementById("Email").value;
	if ( Naam == "Naam" )
	{
		alert("Vul a.u.b. uw naam is")
		document.getElementById("Naam").focus();
		return;
	}
	if ( Email == "Email" )
	{
		alert("Vul a.u.b. uw e-mailadres is")
		document.getElementById("Email").focus();
		return;
	}
    if (Email.search(emailRegEx) == -1) 
	{
        alert("Vul a.u.b. een geldig e-mailadres in");
		return;
	}
	var httpObject;
	var randomnumber = Math.floor(Math.random()*1000001);
	httpObject = getHTTPObject();
    httpObject.open("GET", "ajax/sendNieuwsbriefEmail.php?Naam="
                       +Naam+"&Email="+Email+"&dummy=" + randomnumber, true);
	httpObject.onreadystatechange=function() 
 	{
	 	if (httpObject.readyState==4 && httpObject.status==200) 
 		{
	  		document.getElementById("nieuwsbrieftekst").innerHTML = httpObject.responseText;
			document.getElementById("Naam").value = "";
			document.getElementById("Email").value = "";
		}
	}
  	httpObject.send(null);
}