function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

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_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function send_mail(theLink,name, address){
    theLink.href+=name + "@" + address;
    }
	
function hide_menu(layerName){
	var layerName;
	MM_showHideLayers(layerName,'','hide');
	}
	
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}

function showL(layerN){
    var layerN;
	// layer array
	var lNames=Array('hb','ods', 'news');
	for(i=0; i<(lNames.length); i+=1){ 
		if(layerN==lNames[i]){
			MM_showHideLayers(layerN,'','show');
			}
		else
		    MM_showHideLayers(lNames[i],'','hide');
		}
	}	

function voegtoe(){
    if (window.external){
        window.external.AddFavorite(
            'http://www.hortinews.com',
            'HortiNews.com - Dé startpagina voor de bloemen- en plantenhandel'
        );
		}
	else{
    	alert('De URL kan niet automatisch toegevoegd worden aan uw favorieten, voeg URL handmatig toe (<CTRL>+D)');	
        }
	}
	
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}	

function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='-  U moet een geldig e-mailadres opgeven.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is vereist.\n'; }
  } if (errors) alert('De volgende fout is opgetreden:\n'+errors);
  document.MM_returnValue = (errors == '');
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function addNieuwsbrief(pVerificatieCode){
	var verificatie = FV('verificatie');	
	var email = FV('email');
	if(!checkemail(email)){
		
		return false;
	}
	if(pVerificatieCode != verificatie) {
		alert('Fout in verificatiecode');
		return false;
	}
	return true;
}

function FV(fld){
 	field=document.getElementById(fld);
 	var ret = eval('field.value');
 	return ret;
}

function checkemail(email){
	var str=email;
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
	if (filter.test(str))
		return true;
	else{
		alert('Ongeldig email adres');
		return false;
	}
}