/*function MM_preloadImages() { //v2.0
  if (document.images) {
    var imgFiles = MM_preloadImages.arguments;
    if (document.preloadArray==null) document.preloadArray = new Array();
    var i = document.preloadArray.length;
    with (document) for (var j=0; j<imgFiles.length; j++) if (imgFiles[j].charAt(0)!="#"){
      preloadArray[i] = new Image;
      preloadArray[i++].src = imgFiles[j];
  } }
}
*/
function MM_swapImgRestore() { //v2.0
  if (document.MM_swapImgData != null)
    for (var i=0; i<(document.MM_swapImgData.length-1); i+=2)
      document.MM_swapImgData[i].src = document.MM_swapImgData[i+1];
}

function MM_swapImage() { //v2.0
  var i,j=0,objStr,obj,swapArray=new Array,oldArray=document.MM_swapImgData;
  for (i=0; i < (MM_swapImage.arguments.length-2); i+=3) {
    objStr = MM_swapImage.arguments[(navigator.appName == 'Netscape')?i:i+1];
    if ((objStr.indexOf('document.layers[')==0 && document.layers==null) ||
        (objStr.indexOf('document.all[')   ==0 && document.all   ==null))
      objStr = 'document'+objStr.substring(objStr.lastIndexOf('.'),objStr.length);
    obj = eval(objStr);
    if (obj != null) {
      swapArray[j++] = obj;
      swapArray[j++] = (oldArray==null || oldArray[j-1]!=obj)?obj.src:oldArray[j];
      obj.src = MM_swapImage.arguments[i+2];
  } }
  document.MM_swapImgData = swapArray; //used for restore
}


		
if (document.images)
{
  
   
   pic1 = new Image (140,38);
   pic1.src = "/images/overbeeldrijkact.gif";
   
   pic2 = new Image (18,38);
   pic2.src = "/images/home2act.gif";
   
   pic3 = new Image(140,38);
   pic3.src = "/images/actualiteitenact.gif";
   
   pic4 = new Image(140,38);
   pic4.src = "/images/fiscaliteitenact.gif";
   
   pic5 = new Image(18,38);
   pic5.src = "/images/fiscaliteiten2.gif";
   
   pic6 = new Image(140,38);
   pic6.src = "/images/formaliteitenact.gif";
   
   pic7 = new Image(140,38);
   pic7.src = "/images/cursussenact.gif";
   
   pic8 = new Image(18,38);
   pic8.src = "/images/cursussenact2.gif";
   
   pic9 = new Image(140,38);
   pic9.src = "/images/beeldruimteact.gif";

   pic10 = new Image(18,38);
   pic10.src = "/images/fietsact2.gif";
   

}
function checkForm() {
   if(document.getElementById('naam').value == '' ||
      document.getElementById('email').value == '') {
      alert('Vul uw naam en e-mailadres in, a.u.b.');
      return false;
   }
   else
     if(!emailCheck(document.getElementById('email').value)) {
        alert('Vul een geldig e-mailadres in, a.u.b.');
	return false;
     }
   else {
      return true;
   }
}
function checkForm2() {
   if(document.getElementById('naam2').value == '' ||
      document.getElementById('email2').value == '') {
      alert('Vul uw naam en e-mailadres in, a.u.b.');
      return false;
   }
   else
     if(!emailCheck(document.getElementById('email2').value)) {
        alert('Vul een geldig e-mailadres in, a.u.b.');
	return false;
     }
   else {
      return true;
   }
}
				    
function emailCheck(emailStr) {
   var checkTLD=1;
   var
     knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
   var emailPat=/^(.+)@(.+)$/;
   var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
   var validChars="\[^\\s" + specialChars + "\]";
   var quotedUser="(\"[^\"]*\")";
   var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
   var atom=validChars + '+';
   var word="(" + atom + "|" + quotedUser + ")";
   var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
   var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
   var matchArray=emailStr.match(emailPat);
   
   if (matchArray==null) {
      return false;
   }
   var user=matchArray[1];
   var domain=matchArray[2];
   
   for (i=0; i<user.length; i++) {
      if (user.charCodeAt(i)>127) {
	 return false;
      }
   }
   for (i=0; i<domain.length; i++) {
      if (domain.charCodeAt(i)>127) {
	 return false;
      }
   }
   
   if (user.match(userPat)==null) {
      return false;
   }
   
   var IPArray=domain.match(ipDomainPat);
   if (IPArray!=null) {
      
      for (var i=1;i<=4;i++) {
	 if (IPArray[i]>255) {
	    return false;
         }
      }
      return true;
   }
   
   var atomPat=new RegExp("^" + atom + "$");
   var domArr=domain.split(".");
   var len=domArr.length;
   for (i=0;i<len;i++) {
      if (domArr[i].search(atomPat)==-1) {
	 return false;
      }
   }
   
   if (checkTLD && domArr[domArr.length-1].length!=2 && 
       domArr[domArr.length-1].search(knownDomsPat)==-1) {
      return false;
   }
   
   if (len<2) {
      return false;
   }
   
   return true;
}