function checkFlash(page) {
		document.getElementById('vinjet').style.display = 'block';
		if ( page == 1 ) { document.getElementById('sound').style.display = 'block'; }
	}



	function checkFlashOld(page) {

		var plugin = navigator.plugins["Shockwave Flash"];
	
		if (plugin) {
			document.getElementById('vinjet').style.display = 'block';
			if ( page == 1 ) { document.getElementById('sound').style.display = 'block'; }
		} 
		else {
			document.getElementById('vinjetNoFlash').style.display = 'block';
		}
	}
	

	
	function openPicture() {
		document.getElementById('vinjet').style.visibility='hidden'; 
	}



	function closePicture() {
		document.getElementById('vinjet').style.visibility='visible';
	}



	function openPictureOld() {

		var plugin = navigator.plugins["Shockwave Flash"];
	
		if (plugin) {
			document.getElementById('vinjet').style.visibility='hidden';
		} 
	}



	function closePictureOld() {

		var plugin = navigator.plugins["Shockwave Flash"];
	
		if (plugin) {
			document.getElementById('vinjet').style.visibility='visible';
		} 
	}



	function navigation(id) {

		if ( id == 0 ) { location.href='../start/index.php'; }
		if ( id == 1 ) { location.href='../hotellet/index.php'; }
		if ( id == 2 ) { location.href='../matsalen/index.php'; }
		if ( id == 3 ) { location.href='../kabyssen/index.php'; }
		if ( id == 4 ) { location.href='../konferens/index.php'; }
		if ( id == 5 ) { location.href='../fest/index.php'; }
		if ( id == 6 ) { location.href='../kontakt/index.php'; }
	}



	function sub(id) {
			document.getElementById('sub1').style.display = 'none';
			if ( document.getElementById('sub2') ) { document.getElementById('sub2').style.display = 'none'; }
			if ( document.getElementById('sub3') ) { document.getElementById('sub3').style.display = 'none'; }
			if ( document.getElementById('sub4') ) { document.getElementById('sub4').style.display = 'none'; }
			if ( document.getElementById('sub5') ) { document.getElementById('sub5').style.display = 'none'; }
			if ( document.getElementById('sub6') ) { document.getElementById('sub6').style.display = 'none'; }

			id = 'sub' + id;

			document.getElementById(id).style.display = 'block';
	}

	
	function guide() {
		id = document.getElementById('guideSelect').value;

		if (id == 0) {
			document.getElementById('guide1').style.display = 'none';
			document.getElementById('guide2').style.display = 'none';
			document.getElementById('guide3').style.display = 'none';
			document.getElementById('guide4').style.display = 'none';
		}
		
		if (id == 1) {
			document.getElementById('guide1').style.display = 'block';
			document.getElementById('guide2').style.display = 'none';
			document.getElementById('guide3').style.display = 'none';
			document.getElementById('guide4').style.display = 'none';
		}
		
		if (id == 2) {
			document.getElementById('guide1').style.display = 'none';
			document.getElementById('guide2').style.display = 'block';
			document.getElementById('guide3').style.display = 'none';
			document.getElementById('guide4').style.display = 'none';
		}
		
		if (id == 3) {
			document.getElementById('guide1').style.display = 'none';
			document.getElementById('guide2').style.display = 'none';
			document.getElementById('guide3').style.display = 'block';
			document.getElementById('guide4').style.display = 'none';
		}
		
		if (id == 4) {
			document.getElementById('guide1').style.display = 'none';
			document.getElementById('guide2').style.display = 'none';
			document.getElementById('guide3').style.display = 'none';
			document.getElementById('guide4').style.display = 'block';
		}
		
	}
	
	
	function checkForm(language,styrenhet) {
	
		if (document.getElementById('formKontaktperson').value == '') {
			if ( language == 'se' ) { alert('Du måste ange en kontaktperson.'); }
			if ( language == 'en' ) { alert('You have to enter a contact person.'); }
			if ( language == 'de' ) { alert('You have to enter a contact person.'); }
			document.form.kontaktperson.focus();
			if ( styrenhet == 1 ) { return false; }
			
		}

		else if (document.getElementById('formTelefon').value == '') {
			if ( language == 'se' ) { alert('Du måste ange ditt telefonnummer.'); }
			if ( language == 'en' ) { alert('You have to enter your phone number.'); }
			if ( language == 'de' ) { alert('You have to enter your phone number.'); }
			document.form.telefon.focus();
			if ( styrenhet == 1 ) { return false; }
		}

		else if (document.getElementById('formEpost').value == '') {
			if ( language == 'se' ) { alert('Du måste ange din e-postadress.'); }
			if ( language == 'en' ) { alert('You have to enter your email address.'); }
			if ( language == 'de' ) { alert('You have to enter your email address.'); }
			document.form.epost.focus();
			if ( styrenhet == 1 ) { return false; }
		}

		else {	
//			return true;
			document.form.submit();
		}
	}