// ***********************************
// NAVIGATIE
// ***********************************
			
if (document.images) {
	 pic1on= new Image(33,182);
	 pic1on.src="images/home_hover.jpg";
	 pic2on= new Image(31,182);
	 pic2on.src="images/meetings_seminars_hover.jpg";
	 pic3on= new Image(26,182);
	 pic3on.src="images/feesten_partijen_hover.jpg";
	 pic4on= new Image(26,182);
	 pic4on.src="images/culinaire_activiteiten_hover.jpg";
	 pic5on= new Image(26,182);
	 pic5on.src="images/prijsindicatie_hover.jpg";
	 pic6on= new Image(26,182);
	 pic6on.src="images/verbouwingsfotos_hover.jpg";
	 pic7on= new Image(25,182);
	 pic7on.src="images/zalen_hover.jpg";

	 pic1off= new Image(33,182);
	 pic1off.src="images/home.jpg";
	 pic2off= new Image(31,182);
	 pic2off.src="images/meetings_seminars.jpg";
	 pic3off= new Image(26,182);
	 pic3off.src="images/feesten_partijen.jpg";
	 pic4off= new Image(26,182);
	 pic4off.src="images/culinaire_activiteiten.jpg";
	 pic5off= new Image(26,182);
	 pic5off.src="images/prijsindicatie.jpg";
	 pic6off= new Image(26,182);
	 pic6off.src="images/verbouwingsfotos.jpg";
	 pic7off= new Image(25,182);
	 pic7off.src="images/zalen.jpg";

}

function lightup(imgName) {
   if (document.images) {
	  imgOn=eval(imgName + "on.src");
	  document[imgName].src= imgOn;
	}
 }

function turnoff(imgName) {
   if (document.images) {
	  imgOff=eval(imgName + "off.src");
	  document[imgName].src= imgOff;
	}
 }
 
 
// ***********************************
// VELDEN CHECK VOOR CONTACT FORMULIER
// ***********************************

function checkVelden() {

	var naam = document.contact.naam.value;
	var email = document.contact.email.value;
	var onderwerp = document.contact.onderwerp.value;
	var telefoonnr = document.contact.telefoonnr.value;
	var bericht = document.contact.bericht.value;
	
		var alertMSG = 'U heeft de volgende velden niet goed ingevuld:\n';
		var globalCheck = false;
	
		if (naam == '') {
		
			alertMSG = alertMSG + "\n* Naam";
			globalCheck = true;
			
		}
		if (onderwerp == '') {
			
			alertMSG = alertMSG + "\n* Onderwerp";
			globalCheck = true;
			
		}
		if (email == '') {	
		
			alertMSG = alertMSG + "\n* E-mail";
			globalCheck = true;
			
		}
		if (telefoonnr == '') {	
		
			alertMSG = alertMSG + "\n* Telefoonnummer";
			globalCheck = true;
			
		}
		if (bericht == '') {
		
			alertMSG = alertMSG + "\n* Bericht";
			globalCheck = true;
			
		}
		
		if (globalCheck == true) {
				
			alert(alertMSG);
			return false;
			
		}
		else {
		
			window.location="contact_verzenden.php?naam=" + naam + "&email=" + email + "&onderwerp=" + onderwerp + "&bericht=" + bericht + "&telefoonnr=" + telefoonnr;
			document.contact.naam.value='';
			document.contact.email.value='';
			document.contact.onderwerp.value='';
			document.contact.telefoonnr.value='';
			document.contact.bericht.value='';
			
			alert('Uw formulier is succesvol verzonden!');
			
		}
		

}