function showprovincie()
{
var land = (document.addsubscriber.AddressCountry.options[document.addsubscriber.AddressCountry.options.selectedIndex].value); 
if (land=="Nederland")
	{
	datac1.style.display='block';
	datac1.style.visibility='visible';
	datac2.style.display='block';
	datac2.style.visibility='visible';	
	}
else {
	datac1.style.display='none';
	datac1.style.visibility='hidden';
	datac2.style.display='none';
	datac2.style.visibility='hidden';
	}
} 

function DoeSubmitSubScribeForm(form)
{
	// error elementen verbergen
	form_border_off('voornaam');
	form_border_off('achternaam');
	form_border_off('email');
	form_border_off('category');

	if (form.voornaam.value.length<2)
		{
		form_border_on('voornaam');
		form.voornaam.focus();
		errorbox_show(10,"absolute","80px","450px");
		return false;
		}
		else if(form.achternaam.value.length<2)
			{
			errorbox_show(11,"absolute","95px","450px");
			form_border_on('achternaam');
			form.achternaam.focus();
			return false;
			}
			else if(form.email.value.length<5)
				{
				errorbox_show(12,"absolute","110px","450px");
				form_border_on('email');
				form.email.focus();
				return false;
				}
				else if (checkEmailAddr(form.email.value) != 1) {
					errorbox_show(13,"absolute","100px","450px");
					form_border_on('email');
					form.email.focus();
					return false;
				   }
					//Begin Nieuwsbrief controle
					else
						{
						var boxes = form.category.length
						var total = 0;
						//begin controle of er meer dan 1 checkbox is (meerdere verzendlijsten)
						if (boxes){
							for (i = 0; i < boxes; i++) {
							if (eval("document.addsubscriber.category[" + i + "].checked") == true) {
								total += 1;
								}
							}
							if (total == 0) {
								errorbox_show(16,"absolute","180px","450px");
								form_border_on('category');
								return false;
			
							}
						//hieronder einde controle of er meer dan 1 checkbox is (meerdere verzendlijsten)
						}
						//begin: als er maar 1 verzendlijst aanwezig is
						if (!boxes){
							if(!form.category.checked){
								errorbox_show(16,"absolute","180px","450px");
								form_border_on('category');
								return false;
							}
						}
						//einde: als er maar 1 verzendlijst aanwezig is
					//Einde Nieuwsbrief controle
				    }
					//als alles in orde is het formulier verwerken
					document.getElementById('abonneerbutton').disabled = true;
					return true;
}

//Unsubscribe empty
function DoeSubmitUnSubScribeForm(form)
{
	// error elementen verbergen
	form_border_off('email');
	form_border_off('category');

	if(form.email.value.length<5)
		{
		errorbox_show(12,"absolute","10px","450px");
		form_border_on('email');
		form.email.focus();
		return false;
		}
		else if (checkEmailAddr(form.email.value) != 1) {
			errorbox_show(13,"absolute","10px","450px");
			form_border_on('email');
			form.email.focus();
			return false;
		   }
			//Begin Nieuwsbrief controle
			else
				{
				var boxes = form.category.length
				var total = 0;
				//begin controle of er meer dan 1 checkbox is (meerdere verzendlijsten)
				if (boxes){
					for (i = 0; i < boxes; i++) {
					if (eval("document.removeasksubscriber.category[" + i + "].checked") == true) {
						total += 1;
						}
					}
					if (total == 0) {
						alert("HALLO");
						errorbox_show(17,"absolute","10px","450px");
						form_border_on('category');
						return false;
	
					}
				//hieronder einde controle of er meer dan 1 checkbox is (meerdere verzendlijsten)
				}
				//begin: als er maar 1 verzendlijst aanwezig is
				if (!boxes){
					if(!form.category.checked){
						errorbox_show(17,"absolute","10px","450px");
						form_border_on('category');
						return false;
					}
				}
				//einde: als er maar 1 verzendlijst aanwezig is
			//Einde Nieuwsbrief controle
			}
			//als alles in orde is het formulier verwerken
			document.getElementById('uitschrijfbutton').disabled = true;
			return true;
}

//Unsubscribe Filled (vanuit inschruiven dubbel)
function DoeSubmitFilUnSubScribe(form)
{
	// error elementen verbergen
	// form_border_off('category');
	//Begin Nieuwsbrief controle
		var boxes = form.category.length
		var total = 0;
		//begin controle of er meer dan 1 checkbox is (meerdere verzendlijsten)
		if (boxes){
			for (i = 0; i < boxes; i++) {
			if (eval("document.removeasksubscriber.category[" + i + "].checked") == true) {
				total += 1;
				}
			}
			if (total == 0) {
				errorbox_show(17,"absolute","10px","450px");
				form_border_on('category');
				return false;
	
			}
		//hieronder einde controle of er meer dan 1 checkbox is (meerdere verzendlijsten)
		}
		//begin: als er maar 1 verzendlijst aanwezig is
		if (!boxes){
			if(!form.category.checked){
				errorbox_show(17,"absolute","10px","450px");
				form_border_on('category');
				return false;
			}
		}
		//einde: als er maar 1 verzendlijst aanwezig is
	//Einde Nieuwsbrief controle

	//als alles in orde is het formulier verwerken
	document.getElementById('uitschrijfbutton').disabled = true;
	return true;
}