// JavaScript Document

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_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

/* Show flightStatus */
function toggleFlightStatus( type ){
	
	if( type == 'V' ){
		
		/* Vertrekken */
		document.getElementById('flightDepartments').style.visibility = '';
		document.getElementById('flightDepartments').style.display = '';
		document.getElementById('meer-vluchtinfo').href = 'index.php?pageID=12';
		
		/* Aankomsten */
		document.getElementById('flightArrivals').style.visibility = 'hidden';
		document.getElementById('flightArrivals').style.display = 'none';

		document.getElementById('vertrekAct').style.visibility = '';
		document.getElementById('vertrekAct').style.display = '';

		document.getElementById('aankomstAct').style.visibility = 'hidden';
		document.getElementById('aankomstAct').style.display = 'none';
		
	} else if( type == 'A' ){
		
		/* Aankomsten */
		document.getElementById('flightArrivals').style.visibility = '';
		document.getElementById('flightArrivals').style.display = '';
		document.getElementById('meer-vluchtinfo').href = 'index.php?pageID=11';

		/* Vertrekken */
		document.getElementById('flightDepartments').style.visibility = 'hidden';
		document.getElementById('flightDepartments').style.display = 'none';
		
		document.getElementById('vertrekAct').style.visibility = 'hidden';
		document.getElementById('vertrekAct').style.display = 'none';

		document.getElementById('aankomstAct').style.visibility = '';
		document.getElementById('aankomstAct').style.display = '';

	}
	
}

function showAgenda(id){
	
	/* Controle element */
	if( document.getElementById(id) != null ){
		
		if( document.getElementById(id).style.display == 'none' ){
			
			/* Hidden element */
			document.getElementById(id).style.visibility = '';
			document.getElementById(id).style.display = '';
			
			/* Front view */
			document.getElementById('table-'+id+'-act').style.visibility = '';
			document.getElementById('table-'+id+'-act').style.display = '';
			
			document.getElementById('table-'+id+'-nrm').style.visibility = 'hidden';
			document.getElementById('table-'+id+'-nrm').style.display = 'none';		
		
		} else {
			
			/* Hidden element */
			document.getElementById(id).style.visibility = 'hidden';
			document.getElementById(id).style.display = 'none';
			
			/* Front view */
			document.getElementById('table-'+id+'-act').style.visibility = 'hidden';
			document.getElementById('table-'+id+'-act').style.display = 'none';
			
			document.getElementById('table-'+id+'-nrm').style.visibility = '';
			document.getElementById('table-'+id+'-nrm').style.display = '';
		
		}
		
	}

}

function showAgendaText(id){
	
	/* Controle element */
	if( document.getElementById('news-'+id) != null ){
		
		if( document.getElementById('news-'+id).style.display == 'none' ){
			
			/* Hidden element */
			document.getElementById('news-'+id).style.visibility = '';
			document.getElementById('news-'+id).style.display = '';
			
			/* Front view */
			document.getElementById('news-'+id+'-act').style.visibility = '';
			document.getElementById('news-'+id+'-act').style.display = '';
			
			document.getElementById('news-'+id+'-nrm').style.visibility = 'hidden';
			document.getElementById('news-'+id+'-nrm').style.display = 'none';
		
		} else {

			/* Hidden element */
			document.getElementById('news-'+id).style.visibility = 'hidden';
			document.getElementById('news-'+id).style.display = 'none';

			/* Hidden element */
			document.getElementById('news-'+id+'-act').style.visibility = 'hidden';
			document.getElementById('news-'+id+'-act').style.display = 'none';
			
			document.getElementById('news-'+id+'-nrm').style.visibility = '';
			document.getElementById('news-'+id+'-nrm').style.display = '';
		
		}
		
	}

}

function switchAgenda(id, type){
	
	/* Controle element */
	if( document.getElementById(id) != null ){
		
		if( type == 1 ){
			document.getElementById(id).style.backgroundColor = '#AC5067';
			document.getElementById(id+'-col1').style.color = '#FFFFFF';
			document.getElementById(id+'-col2').style.color = '#FFFFFF';
		
		} else if( type == 0 ){
			document.getElementById(id).style.backgroundColor = '#FFFFFF';
			document.getElementById(id+'-col1').style.color = '#4E565A';
			document.getElementById(id+'-col2').style.color = '#AC5067';
		}
		
	}
	
}

function doBlink(){
	
	// Blink, Blink, Blink...
	if( document.all ){
	   var blinks = document.all.tags("blink");
	} else {
	   var blinks = document.getElementsByTagName("blink");
	}

	for (var i=0; i < blinks.length; i++){
		blinks[i].style.visibility = blinks[i].style.visibility == "" ? "hidden" : "";
	}

}

/* Show POPUP window */
function showPOPUP( name, url, width, height ){

	/* Midden scherm uitrekenen */
	var left = (screen.width/2)-(width/2);
	var top = (screen.height/2)-(height/2);

	/* POPUP venster openen */
	window.open(url, name, "menubar=yes,scrollbars=yes,resizable=yes,width="+width+",height="+height+",top="+top+",left="+left);
	
}

/* Show Print page */
function showPrintPage( name, url, width, height ){
	
	/* Midden scherm uitrekenen */
	var left = (screen.width/2)-(width/2);
	var top = (screen.height/2)-(height/2);

	/* POPUP venster openen */
	var pageTitle = document.getElementById('textTitle').innerHTML;
	if( document.getElementById('textTitle2') != null ){
		pageTitle += document.getElementById('textTitle2').innerHTML;
	}
	
	var pageContent = document.getElementById('textContent').innerHTML;
	var windowOptions = "menubar=yes,scrollbars=yes,resizable=yes,width="+width+",height="+height+",top="+top+",left="+left;
	var generator = window.open('', name, windowOptions);
	
	generator.document.write('<html xmlns="http://www.w3.org/1999/xhtml"><head>');
	generator.document.write('<title>Rotterdam The Hague Airport - Print page</title>');
	generator.document.write('<link media="screen" href="../include/popup.css" type="text/css" rel="stylesheet" />');
	generator.document.write('<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />');
	generator.document.write('<link href="include/web.css" type="text/css" rel="stylesheet" />');
	generator.document.write('</head>');
	
	generator.document.write('<body onLoad="if(confirm(\'Wilt u de pagina afdrukken?\')){ window.print(); }">');
	generator.document.write('<img src="../media/images/doorsturen_logo.gif" width="176" height="100" alt="" />');
	generator.document.write('<p><b>'+pageTitle+'</b></p>');
	generator.document.write(pageContent);
	generator.document.write('</body>');
	generator.document.write('</html>');
	generator.document.close();
	
}

/*

// Submit bookingForm NL
function submitBooking(){
	
	var mlh = "Rotterdam";
	var avw = document.getElementById('nr_adt').value;
	var akd = document.getElementById('nr_cnn').value;
	var vlh = document.getElementById('vlh').value;
	var alh = document.getElementById('alh').value;
	
	if( vlh == '' ){
		alert('Selecteer een vertrekluchthaven!');
	
	} else if( alh == '' ){
		alert('Selecteer een aankomstluchthaven!');
	
	} else if( vlh == alh ){
		alert('Vertrek- en aankomstluchthaven kan niet hetzelfde zijn!');
		
	} else if( (vlh != mlh) && (alh != mlh) ){
		alert('De vertrek- of aankomstluchthaven moet Rotterdam zijn!');
		
	} else if( avw == 0 && akd == 0 ){
		alert('Het aantal volwassenen of kinderen moet minimaal 1 zijn!');
		
	} else if( avw == 0 && akd > 0 ){
		alert('Het is niet mogelijk online alleen een vlucht voor baby\'s of kinderen te boeken.');
		
	} else {
	
		// Dag / maand uitlezen
		var arrmon = document.getElementById('arrmonth').selectedIndex;
		var arryer = document.getElementById('arryear').selectedIndex;
	
		var arrmon = document.getElementById('arrmonth').options[arrmon].value;
		var arryer = document.getElementById('arryear').options[arryer].value;
	
		var depmon = document.getElementById('depmonth').selectedIndex;
		var depyer = document.getElementById('depyear').selectedIndex;
		
		var depmon = document.getElementById('depmonth').options[depmon].value;
		var depyer = document.getElementById('depyear').options[depyer].value;
		
		// Data samenvoegen
		document.getElementById('depmonthyear').value = depmon+depyer;
		document.getElementById('arrmonthyear').value = arrmon+arryer;
		
		// Formulier verzenden
		document.bkFrm.submit();
		
	}
	
}

*/

/*

// Submit bookingForm EN
function submitBookingEN(){
	
	var mlh = "Rotterdam";
	var avw = document.getElementById('nr_adt').value;
	var akd = document.getElementById('nr_cnn').value;
	var vlh = document.getElementById('vlh').value;
	var alh = document.getElementById('alh').value;
	
	if( vlh == '' ){
		alert('Please select the departure airport!');
	
	} else if( alh == '' ){
		alert('Please select the arrival airport!');
	
	} else if( vlh == alh ){
		alert('The departure and arrival airports can\'t be the same!');
		
	} else if( (vlh != mlh) && (alh != mlh) ){
		alert('The departure or arrival airport must be Rotterdam!');
		
	} else if( avw == 0 && akd == 0 ){
		alert('The amount of adults or childs must be at least one!');
		
	} else if( avw == 0 && akd > 0 ){
		alert('It\'s not possible to book a online flight for babys or childrens.');
		
	} else {
	
		// Dag / maand uitlezen
		var arrmon = document.getElementById('arrmonth').selectedIndex;
		var arryer = document.getElementById('arryear').selectedIndex;
	
		var arrmon = document.getElementById('arrmonth').options[arrmon].value;
		var arryer = document.getElementById('arryear').options[arryer].value;
	
		var depmon = document.getElementById('depmonth').selectedIndex;
		var depyer = document.getElementById('depyear').selectedIndex;
		
		var depmon = document.getElementById('depmonth').options[depmon].value;
		var depyer = document.getElementById('depyear').options[depyer].value;
		
		// Data samenvoegen
		document.getElementById('depmonthyear').value = depmon+depyer;
		document.getElementById('arrmonthyear').value = arrmon+arryer;
		
		// Formulier verzenden
		document.bkFrm.submit();
		
	}
	
}

*/

/* Submit bookingForm (homepage) */
function submitBookingHomepage(lang){
	
	var mlh = "RTM";
	var avw = document.getElementById('adt').value;
	var akd = document.getElementById('chd').value;
	var vlh = document.getElementById('out_dep_c').value;
	var alh = document.getElementById('out_arr_c').value;
	
	if( vlh == '' ){
		
		if( lang == 'nl' ){
			alert('Selecteer een vertrekluchthaven!');
		} else {
			alert('Please select the departure airport!');
		}
	
	} else if( alh == '' ){
		
		if( lang == 'nl' ){
			alert('Selecteer een aankomstluchthaven!');
		} else {
			alert('Please select the arrival airport!');
		}
	
	} else if( vlh == alh ){
		
		if( lang == 'nl' ){
			alert('Vertrek- en aankomstluchthaven kan niet hetzelfde zijn!');
		} else {
			alert('The departure and arrival airports can\'t be the same!');
		}
		
	} else if( (vlh != mlh) && (alh != mlh) ){
		
		if( lang == 'nl' ){
			alert('De vertrek- of aankomstluchthaven moet Rotterdam zijn!');
		} else {
			alert('The departure or arrival airport must be Rotterdam!');
		}
		
	} else if( avw == 0 && akd == 0 ){
		
		if( lang == 'nl' ){
			alert('Het aantal volwassenen of kinderen moet minimaal 1 zijn!');
		} else {
			alert('The amount of adults or childs must be at least one!');
		}
		
	} else if( avw == 0 && akd > 0 ){
		
		if( lang == 'nl' ){
			alert('Het is niet mogelijk online alleen een vlucht voor baby\'s of kinderen te boeken.');
		} else {
			alert('It\'s not possible to book a online flight for babys or childrens.');
		}
		
	} else {

		/* Vertek / aankomst */
		var dep_date = document.bkFrm.dep_date.value.replace(/-/g, '');
		var arr_date = document.bkFrm.arr_date.value.replace(/-/g, '');
		
		/* Dag / maand uitlezen */
		var arrday = arr_date.substr(0,2);
		var arrmon = arr_date.substr(2,2);
		var arryer = arr_date.substr(4,4);
	
		var depday = dep_date.substr(0,2);
		var depmon = dep_date.substr(2,2);
		var depyer = dep_date.substr(4,4);
		
		/* Data samenvoegen */
		document.getElementById('out_date').value = depyer+depmon+depday;
		document.getElementById('in_date').value = arryer+arrmon+arrday;

		var tcr = 2;
		/* Controle type vlucht */
		for(i=document.bkFrm.flight_type.length-1; i>-1; i--){
			if( document.bkFrm.flight_type[i].checked ){
				var tcr = document.bkFrm.flight_type[i].value;
			}
		}
		
		if( tcr == 1 ){
			document.bkFrm.in_dep_c.value = '';
			document.bkFrm.in_arr_c.value = '';
			document.bkFrm.in_date.value = '';
		}
		
		/* Formulier verzenden */
		document.bkFrm.submit();
		
	}
	
}

/* Submit bookingForm NL */
function submitBooking(){
	
	var mlh = "RTM";
	var avw = document.getElementById('adt').value;
	var akd = document.getElementById('chd').value;
	var vlh = document.getElementById('out_dep_c').value;
	var alh = document.getElementById('out_arr_c').value;
	
	if( vlh == '' ){
		alert('Selecteer een vertrekluchthaven!');
	
	} else if( alh == '' ){
		alert('Selecteer een aankomstluchthaven!');
	
	} else if( vlh == alh ){
		alert('Vertrek- en aankomstluchthaven kan niet hetzelfde zijn!');
		
	} else if( (vlh != mlh) && (alh != mlh) ){
		alert('De vertrek- of aankomstluchthaven moet Rotterdam zijn!');
		
	} else if( avw == 0 && akd == 0 ){
		alert('Het aantal volwassenen of kinderen moet minimaal 1 zijn!');
		
	} else if( avw == 0 && akd > 0 ){
		alert('Het is niet mogelijk online alleen een vlucht voor baby\'s of kinderen te boeken.');
		
	} else {
	
		/* Dag / maand uitlezen */
		var arrday = document.getElementById('arrday').selectedIndex;
		var arrmon = document.getElementById('arrmonth').selectedIndex;
		var arryer = document.getElementById('arryear').selectedIndex;
	
		var arrday = document.getElementById('arrday').options[arrday].value;
		var arrmon = document.getElementById('arrmonth').options[arrmon].value;
		var arryer = document.getElementById('arryear').options[arryer].value;
	
		var depday = document.getElementById('depday').selectedIndex;
		var depmon = document.getElementById('depmonth').selectedIndex;
		var depyer = document.getElementById('depyear').selectedIndex;
		
		var depday = document.getElementById('depday').options[depday].value;
		var depmon = document.getElementById('depmonth').options[depmon].value;
		var depyer = document.getElementById('depyear').options[depyer].value;
		
		/* Data samenvoegen */
		document.getElementById('out_date').value = depyer+depmon+depday;
		document.getElementById('in_date').value = arryer+arrmon+arrday;
		
		var tcr = 2;
		/* Controle type vlucht */
		for(i=document.bkFrm.flight_type.length-1; i>-1; i--){
			if( document.bkFrm.flight_type[i].checked ){
				var tcr = document.bkFrm.flight_type[i].value;
			}
		}
		
		if( tcr == 1 ){
			document.bkFrm.in_dep_c.value = '';
			document.bkFrm.in_arr_c.value = '';
			document.bkFrm.in_date.value = '';
		}
		
		/* Formulier verzenden */
		document.bkFrm.submit();
		
	}
	
}

/* Submit bookingForm EN */
function submitBookingEN(){
	
	var mlh = "RTM";
	var avw = document.getElementById('adt').value;
	var akd = document.getElementById('chd').value;
	var vlh = document.getElementById('out_dep_c').value;
	var alh = document.getElementById('out_arr_c').value;
	
	if( vlh == '' ){
		alert('Please select the departure airport!');
	
	} else if( alh == '' ){
		alert('Please select the arrival airport!');
	
	} else if( vlh == alh ){
		alert('The departure and arrival airports can\'t be the same!');
		
	} else if( (vlh != mlh) && (alh != mlh) ){
		alert('The departure or arrival airport must be Rotterdam!');
		
	} else if( avw == 0 && akd == 0 ){
		alert('The amount of adults or childs must be at least one!');
		
	} else if( avw == 0 && akd > 0 ){
		alert('It\'s not possible to book a online flight for babys or childrens.');
		
	} else {
	
		/* Dag / maand uitlezen */
		var arrday = document.getElementById('arrday').selectedIndex;
		var arrmon = document.getElementById('arrmonth').selectedIndex;
		var arryer = document.getElementById('arryear').selectedIndex;
	
		var arrday = document.getElementById('arrday').options[arrday].value;
		var arrmon = document.getElementById('arrmonth').options[arrmon].value;
		var arryer = document.getElementById('arryear').options[arryer].value;
	
		var depday = document.getElementById('depday').selectedIndex;
		var depmon = document.getElementById('depmonth').selectedIndex;
		var depyer = document.getElementById('depyear').selectedIndex;
		
		var depday = document.getElementById('depday').options[depday].value;
		var depmon = document.getElementById('depmonth').options[depmon].value;
		var depyer = document.getElementById('depyear').options[depyer].value;
		
		/* Data samenvoegen */
		document.getElementById('out_date').value = depyer+depmon+depday;
		document.getElementById('in_date').value = arryer+arrmon+arrday;
		
		var tcr = 2;
		/* Controle type vlucht */
		for(i=document.bkFrm.flight_type.length-1; i>-1; i--){
			if( document.bkFrm.flight_type[i].checked ){
				var tcr = document.bkFrm.flight_type[i].value;
			}
		}
		
		if( tcr == 1 ){
			document.bkFrm.in_dep_c.value = '';
			document.bkFrm.in_arr_c.value = '';
			document.bkFrm.in_date.value = '';
		}
		
		/* Formulier verzenden */
		document.bkFrm.submit();
		
	}
	
}

/* Show tabs */
function toggleTabs( tabName ){
	
	if( tabName == 'Tickets' ){
		
		/* Boekingformulier */
		document.getElementById('bookingDIV').style.visibility = '';
		document.getElementById('bookingDIV').style.display = '';
		
		/* Boekingresultaat */
		document.getElementById('ticketIFrame').style.visibility = 'hidden';
		document.getElementById('ticketIFrame').style.display = 'none';
		
		/* Hotelformulier */
		document.getElementById('hotelIFrame').style.visibility = 'hidden';
		document.getElementById('hotelIFrame').style.display = 'none';
		
		/* Knoppen */
		document.getElementById('div_begin_tab_tickets').style.visibility = 'hidden';
		document.getElementById('div_begin_tab_tickets').style.display = 'none';		
		
		document.getElementById('div_act_tab_tickets').style.visibility = '';
		document.getElementById('div_act_tab_tickets').style.display = '';
		
		document.getElementById('div_tab_tickets').style.visibility = 'hidden';
		document.getElementById('div_tab_tickets').style.display = 'none';
		
		document.getElementById('div_act_tab_hotel').style.visibility = 'hidden';
		document.getElementById('div_act_tab_hotel').style.display = 'none';
		
		document.getElementById('div_tab_hotel').style.visibility = '';
		document.getElementById('div_tab_hotel').style.display = '';
		
	} else if( tabName == 'Hotel' ){
		
		/* Boekingformulier */
		document.getElementById('bookingDIV').style.visibility = 'hidden';
		document.getElementById('bookingDIV').style.display = 'none';
		
		/* Boekingresultaat */
		document.getElementById('ticketIFrame').style.visibility = 'hidden';
		document.getElementById('ticketIFrame').style.display = 'none';
		
		/* Hotelformulier */
		document.getElementById('hotelIFrame').style.visibility = '';
		document.getElementById('hotelIFrame').style.display = '';
		
		/* Knoppen */
		document.getElementById('div_begin_tab_tickets').style.visibility = 'hidden';
		document.getElementById('div_begin_tab_tickets').style.display = 'none';		
		
		document.getElementById('div_act_tab_tickets').style.visibility = 'hidden';
		document.getElementById('div_act_tab_tickets').style.display = 'none';
		
		document.getElementById('div_tab_tickets').style.visibility = '';
		document.getElementById('div_tab_tickets').style.display = '';
		
		document.getElementById('div_act_tab_hotel').style.visibility = '';
		document.getElementById('div_act_tab_hotel').style.display = '';
		
		document.getElementById('div_tab_hotel').style.visibility = 'hidden';
		document.getElementById('div_tab_hotel').style.display = 'none';

	} else if( tabName == 'anderenBezochten' ){
		
		/* Wat anderen bezochten */
		document.getElementById('anderenBezochten').style.visibility = '';
		document.getElementById('anderenBezochten').style.display = '';
		
		/* Laatst bezocht */
		document.getElementById('laatstBezocht').style.visibility = 'hidden';
		document.getElementById('laatstBezocht').style.display = 'none';
		
		document.getElementById('anderenAct').style.visibility = '';
		document.getElementById('anderenAct').style.display = '';		
		
		document.getElementById('bezochtAct').style.visibility = 'hidden';
		document.getElementById('bezochtAct').style.display = 'none';

	} else if( tabName == 'laatstBezocht' ){
		
		/* Wat anderen bezochten */
		document.getElementById('anderenBezochten').style.visibility = 'hidden';
		document.getElementById('anderenBezochten').style.display = 'none';
		
		/* Laatst bezocht */
		document.getElementById('laatstBezocht').style.visibility = '';
		document.getElementById('laatstBezocht').style.display = '';
		
		document.getElementById('anderenAct').style.visibility = 'hidden';
		document.getElementById('anderenAct').style.display = 'none';		
		
		document.getElementById('bezochtAct').style.visibility = '';
		document.getElementById('bezochtAct').style.display = '';

	} else if( tabName == 'Nieuws' ){
		
		/* Nieuws */
		document.getElementById('newsMore').style.visibility = '';
		document.getElementById('newsMore').style.display = '';
		document.getElementById('newsDIV').style.visibility = '';
		document.getElementById('newsDIV').style.display = '';
		
		/* Agenda */
		document.getElementById('agendaMore').style.visibility = 'hidden';
		document.getElementById('agendaMore').style.display = 'none';
		document.getElementById('agendaDIV').style.visibility = 'hidden';
		document.getElementById('agendaDIV').style.display = 'none';

		document.getElementById('nieuwsAct').style.visibility = '';
		document.getElementById('nieuwsAct').style.display = '';		
		
		document.getElementById('agendaAct').style.visibility = 'hidden';
		document.getElementById('agendaAct').style.display = 'none';

	} else if( tabName == 'Agenda' ){
		
		/* Nieuws */
		document.getElementById('newsMore').style.visibility = 'hidden';
		document.getElementById('newsMore').style.display = 'none';
		document.getElementById('newsDIV').style.visibility = 'hidden';
		document.getElementById('newsDIV').style.display = 'none';
		
		/* Agenda */
		document.getElementById('agendaMore').style.visibility = '';
		document.getElementById('agendaMore').style.display = '';
		document.getElementById('agendaDIV').style.visibility = '';
		document.getElementById('agendaDIV').style.display = '';
		
		document.getElementById('nieuwsAct').style.visibility = 'hidden';
		document.getElementById('nieuwsAct').style.display = 'none';		
		
		document.getElementById('agendaAct').style.visibility = '';
		document.getElementById('agendaAct').style.display = '';

	}
	
}

/* gets the client window height based on the browser */
function getHeight(){
	
	var myHeight = 450;
	if (typeof window.innerWidth == 'number'){
		myHeight = window.innerHeight; //Non-IE
	} else if(document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
		myHeight = document.documentElement.clientHeight; //IE 6+ in 'standards compliant mode'
	} else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {            
		myHeight = document.body.clientHeight; //IE 4 compatible
	}
	
	return myHeight;

}
	
/* resizes the IFrame */
function resizeIframe(){
   	
	var headerHeight = 250; //see attached screenshot for headerHeight
   	var iframeHeight = getHeight() - headerHeight; 
   	if (iframeHeight < 0){
		iframeHeight = 0;
	}
    
	document.getElementById('clientIFrame').style.height = iframeHeight + "px";
    
}

/* Nieuwsbrief valideren */
function validateNewsletter(){
	
	var error = '';
	var grp = false;
	var emailExp = /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/;
	
	if( document.frmSubscribe.Email.value == '' ){
		error = error + "- Email\n";
	} else {
		
		if( document.frmSubscribe.Email.value.match(emailExp) ){
			
		} else {
			error = error + "- Email\n";
		}
	
	}
	
	if( document.frmSubscribe.Achternaam.value == '' ){
		error = error + "- Achternaam\n";
	}
	
	if( document.frmSubscribe.Voornaam.value == '' ){
		error = error + "- Voornaam\n";
	}
	
	if( document.frmSubscribe.Adres.value == '' ){
		error = error + "- Adres\n";
	}
	
	if( document.frmSubscribe.Postcode.value == '' ){
		error = error + "- Postcode\n";
	}
	
	if( document.frmSubscribe.Plaats.value == '' ){
		error = error + "- Plaats\n";
	}
	
	for(var i = 0; i<document.frmSubscribe.GroepID.length; i++){
		
		if( document.frmSubscribe.GroepID[i].checked ){
			grp = true;
			break;
		}
	
	}
	
	if( grp == false ){
		error = error + "- Groep\n";
	}
	
	if( error != '' ){
		alert("Niet alle velden zijn ingevuld:\n"+error);
		return false;
	} else {
		return true;
	}

}

function wisselTimer() {

	wisselAppFB();
	setTimeout("wisselTimer()", 5000);

}

// Wissel Appstore en Facebook
function wisselAppFB() {

	if (document.getElementById('68').style.display == "none") {
		document.getElementById('62').style.display = "none";
		document.getElementById('68').style.display = "";
	} else {
		document.getElementById('62').style.display = "";
		document.getElementById('68').style.display = "none";
	}

}