var previousFaqId = -1;
var footerHeight = 0;

// BANNER javascript functies
// deze moeten ook in de database (FCvariables geregistreerd worden!)
function CallMeBack() {
    var newWin = window.open("http://www.energiedirect.nl/website/belmijterug.asp",null,"height=350,width=450,status=no,toolbar=no,menubar=no,location=no,resize=no");;
}

function Chat() {
	document.getElementById("lclink_0").click();
}

// einde BANNER javascript functies

// BUV stylesheet javascript functies

var elecOpen = false;
var gasOpen = false;

function toggleAll() {
	toggleElecOrGas("Elec", elecOpen, false);
	toggleElecOrGas("Gas", gasOpen, false);
}

function toggleElec() {
	elecOpen = !elecOpen;
	toggleElecOrGas("Elec", elecOpen, true);
}

function toggleGas() {
	gasOpen = !gasOpen;
	toggleElecOrGas("Gas", gasOpen, true);
}

function toggleArrow(what, visible) {
	if (visible) {
		document.getElementById("arrow" + what).src = "images/arrow_down.jpg";
		document.getElementById("arrow" + what).alt = "Klik om details te sluiten";
	} else {
		document.getElementById("arrow" + what).src = "images/arrow_right.jpg";
		document.getElementById("arrow" + what).alt = "Klik voor meer details";
	}
}

function toonDetails(yesno) {
	toggleElecOrGas("Detail", yesno, false)
}

function toggleElecOrGas(what, visible, refreshImg) {

	var rows = document.getElementsByTagName("tr")
	
	for (var t=0; t<rows.length; t++) {
		if ( rows[t].className == "klapRow" + what || rows[t].className == "klapRow" + what + "On") {
			if (visible) {
				//rows[t].style.display = "";
				rows[t].className = "klapRow" + what + "On";
			} else {
				//rows[t].style.display = "none";
				rows[t].className = "klapRow" + what;
			}
		}
	}
	
	if (refreshImg) toggleArrow(what, visible);
}

// einde BUV stylesheet javascript functies

function startPrint() {
	window.open("http://www.energiedirect.nl/website/print.asp", "print", 'scrollbars=yes,status=no,toolbar=no,location=no,menubar=no,width=80,height=80')
}

function expand(div) {
	obj = document.getElementById("expander" + div);
	//ind = document.getElementById("indicator" + div);
	if (obj.style.display == "none") {
		obj.style.display = "block";
		//ind.innerHTML = "&laquo;";
	} else {
		obj.style.display = "none";
		//ind.innerHTML = "&raquo;";
	}
}

function start(id, singlepage) {
	setTitle(document.title);
	if (singlepage) {
		setSinglePage();
	} else {
		setBreadCrumbs();
	}
}

function setSinglePage() {
	//if (parent.footer.document.getElementById("footertable")) {
	//	parent.document.getElementById("frset2").rows = "100%,0"
	//}
}

function enlargeFooter() {
	footerHeight++;
	if (footerHeight<27) footerHeight++;
	
	parent.document.getElementById("frset2").rows = "100%," + String(footerHeight);
	
	if (footerHeight < 27) {
		setTimeout("enlargeFooter()", 10);
	}
}

function setBreadCrumbs() {
	//if (parent.footer.document.getElementById("breadcrumbs")) {
		// parent.footer.document.getElementById("breadcrumbs").innerHTML = crumbs;
		//if ( parent.document.getElementById("frset2").rows != "100%,27" ) enlargeFooter();
	//}
}

function setTitle(title) {
	// It's possible that we are going cross-domain here when we're in a FRAME. 
	// JavaScript will fail here on a "Permission denied to set property HTMLDocument.title" error.
	try {
		parent.parent.document.title = title;
	} catch(e) {
	}
}

function jsCheckOrphan(reloadURL) {
	if (document == top.document) {
		top.location.href = reloadURL;
	}
}

function directNaar(url) {
	location.href = url;
}

function showAnswer(aid) {
	if (previousFaqId != -1) {
		document.getElementById("question" + previousFaqId).style.display = "none";
	}
	document.getElementById("question" + aid).style.display = "block";
	previousFaqId = aid;
}

/* preload menu images */

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		btnPrive_over = newImage("http://www.energiedirect.nl/website/images/Top/mainMenu/btnPrive-over.jpg");
		btnPrive_down = newImage("http://www.energiedirect.nl/website/images/Top/mainMenu/btnPrive-down.jpg");
		btnZakelijk_over = newImage("http://www.energiedirect.nl/website/images/Top/mainMenu/btnZakelijk-over.jpg");
		btnZakelijk_down = newImage("http://www.energiedirect.nl/website/images/Top/mainMenu/btnZakelijk-down.jpg");
		btnOverED_over = newImage("http://www.energiedirect.nl/website/images/Top/mainMenu/btnOverEnergieDirect-over.jpg");
		btnOverED_down = newImage("http://www.energiedirect.nl/website/images/Top/mainMenu/btnOverEnergieDirect-down.jpg");
		tabLeft_over = newImage("http://www.energiedirect.nl/website/images/Top/subTab/tabLeft-over.gif");
		tabMiddle_over = newImage("http://www.energiedirect.nl/website/images/Top/subTab/tabMiddle-over.gif");
		tabRight_over = newImage("http://www.energiedirect.nl/website/images/Top/subTab/tabRight-over.gif");
		preloadFlag = true;
	}
}