var vorige= 'locatie';
var volgende= 'locatie';

var view_item=false;


function activateFirstButton() {
	view_item=true;
	// activeer de eerste link
	document.getElementById('link_locatie').style.color="#000000";
	document.getElementById('nav_item_locatie').style.background="url(style/danielsstokvis2/images/bg_funda_subnav_a.jpg) top right no-repeat";
	setTitle('Locatie');
}

function activateFirstButton2() {
	view_item=true;
	// activeer de eerste link
	document.getElementById('link_projectinformatie').style.color="#000000";
	document.getElementById('nav_item_projectinformatie').style.background="url(style/danielsstokvis2/images/bg_funda_subnav_a.jpg) top right no-repeat";

	setTitle('Projectinformatie');
	document.getElementById('aanbod_projectinformatie').style.display='block';
	
}

function showInfo(vorige, volgende) {
	deactivateButtons();
	
	if (volgende=='brochure') {
		// laat eerst alleen het formulier zien
		document.getElementById('aanbod_brochure_form').style.display='block';
		//document.getElementById('aanbod_'+volgende).style.display='block';	
			if(document.getElementById('project_brochure') && document.getElementById('project_brochure').childNodes[0].getAttribute('rel')) 
				document.getElementById('project_brochure').style.display='block';		
	}
	else {
		// laat het juiste informatieblok zien
		document.getElementById('aanbod_'+volgende).style.display='block';
		
	}

	var vorige = volgende;
	if(document.getElementById("link_locatie"))
		document.getElementById("link_locatie").setAttribute('href','javascript:showInfo(\"'+vorige+'\", \"locatie\");setTitle(\"Locatie\")');
	if(document.getElementById("link_situatie"))
		document.getElementById("link_situatie").setAttribute('href','javascript:showInfo(\"'+vorige+'\", \"situatie\");setTitle(\"Situatie\")');
	if(document.getElementById("link_afbeeldingen"))
		document.getElementById("link_afbeeldingen").setAttribute('href','javascript:showInfo(\"'+vorige+'\", \"afbeeldingen\");setTitle(\"Foto's\")');
	if(document.getElementById("link_indeling"))
		document.getElementById("link_indeling").setAttribute('href','javascript:showInfo(\"'+vorige+'\", \"indeling\");setTitle(\"Plattegronden\")');
	if(document.getElementById("link_projectinformatie"))
		document.getElementById("link_projectinformatie").setAttribute('href','javascript:showInfo(\"'+vorige+'\", \"projectinformatie\");setTitle(\"Projectinformatie\")');
	if(document.getElementById("link_brochure"))
		document.getElementById("link_brochure").setAttribute('href','javascript:showInfo(\"'+vorige+'\", \"brochure\");setTitle(\"Brochure\")');

	// activeer de nieuwe link
	document.getElementById('link_'+vorige).style.color="#000000";
	document.getElementById("nav_item_"+vorige).style.background="url(style/danielsstokvis2/images/bg_funda_subnav_a.jpg) top right no-repeat";
}


function setTitle(infoTitle) {
	document.getElementById('title_right').innerHTML="<h1>"+infoTitle+"</h1>"; 
}

function vraagStellen(stad, straat, huisnr) {

	var plaatsnaam = stad;
	var straatnaam = straat;
	var huisnummer = huisnr;
	
	deactivateButtons();
	
	var form = document.getElementById('aanbod_vragenformulier');
	if(form) {
		form.style.display = 'block';
		var input = document.getElementById('betreft');
		if(input) {
			if(!huisnummer)
				var value = plaatsnaam + ', ' + straatnaam;
			else
				var value = plaatsnaam + ', ' + straatnaam + ', ' + huisnummer;
			input.innerHTML = '<input type="text" name="betreft" id="betreft" value="' + value + '" size="44" />';
		};
	};

};

function linkDoorsturen() {
	deactivateButtons();
	document.getElementById('aanbod_doorsturen').style.display='block';
}

function deactivateButtons() {

	if(document.getElementById('aanbod_locatie'))
		document.getElementById('aanbod_locatie').style.display='none';
	if(document.getElementById('aanbod_situatie'))
		document.getElementById('aanbod_situatie').style.display='none';
	if(document.getElementById('aanbod_afbeeldingen'))
		document.getElementById('aanbod_afbeeldingen').style.display='none';
	if(document.getElementById('aanbod_indeling'))
		document.getElementById('aanbod_indeling').style.display='none';
	if(document.getElementById('aanbod_doorsturen'))
		document.getElementById('aanbod_doorsturen').style.display='none';
	if(document.getElementById('aanbod_vragenformulier'))
		document.getElementById('aanbod_vragenformulier').style.display='none';
	if(document.getElementById("aanbod_projectinformatie"))
		document.getElementById('aanbod_projectinformatie').style.display='none';
	if(document.getElementById('project_brochure')) 
		document.getElementById('project_brochure').style.display='none';
	if(document.getElementById('aanbod_brochure_form')) 
		document.getElementById('aanbod_brochure_form').style.display='none';
	
	if(document.getElementById('link_locatie')) 
		document.getElementById('link_locatie').style.color="#666666";
	if(document.getElementById('link_situatie')) 
		document.getElementById('link_situatie').style.color="#666666";
	if(document.getElementById('link_afbeeldingen')) 
		document.getElementById('link_afbeeldingen').style.color="#666666";
	if(document.getElementById('link_indeling')) 
		document.getElementById('link_indeling').style.color="#666666";
	if(document.getElementById("link_projectinformatie"))
		document.getElementById('link_projectinformatie').style.color="#666666";
	if(document.getElementById('link_brochure')) 
		document.getElementById('link_brochure').style.color="#666666";
	if(document.getElementById('nav_item_locatie')) 
		document.getElementById("nav_item_locatie").style.background="url(style/danielsstokvis2/images/bg_funda_subnav.jpg) top right no-repeat";
	if(document.getElementById('nav_item_situatie')) 
		document.getElementById("nav_item_situatie").style.background="url(style/danielsstokvis2/images/bg_funda_subnav.jpg) top right no-repeat";
	if(document.getElementById('nav_item_afbeeldingen')) 
		document.getElementById("nav_item_afbeeldingen").style.background="url(style/danielsstokvis2/images/bg_funda_subnav.jpg) top right no-repeat";
	if(document.getElementById('nav_item_indeling')) 
		document.getElementById("nav_item_indeling").style.background="url(style/danielsstokvis2/images/bg_funda_subnav.jpg) top right no-repeat";
	if(document.getElementById("nav_item_projectinformatie"))
		document.getElementById("nav_item_projectinformatie").style.background="url(style/danielsstokvis2/images/bg_funda_subnav.jpg) top right no-repeat";		
	if(document.getElementById('nav_item_brochure')) 
		document.getElementById("nav_item_brochure").style.background="url(style/danielsstokvis/images/bg_funda_subnav.jpg) top right no-repeat";	
}

function showImage(imageID) {
	document.getElementById('aanbod_image').innerHTML ="<img src='image.php?id="+imageID+"&format=funda_foto' alt='Objectfoto'  />";
}

function hideImage() {
	document.getElementById('aanbod_image').innerHTML="";
}

var pdfbrochure=null;