var isIE=document.all;
var isNN=!document.all&&document.getElementById;
var isN4=document.layers;
var isHot=false;

function openWindow(aTarget, aWidth, aHeight, isScroll, isStatus, isMenu, isTool, isResize) {
	var allParam = '';
	allParam = allParam + 'width=' + aWidth + ',';
	allParam = allParam + 'height=' + aHeight + ',';
	allParam = allParam + 'scrollbars=' + isScroll + ',';
	allParam = allParam + 'status=' + isStatus + ',';
	allParam = allParam + 'menubar=' + isMenu + ',';
	allParam = allParam + 'toolbar=' + isTool + ',';
	allParam = allParam + 'resizable=' + isResize;
	var newWin = window.open(aTarget, '', allParam);
	return newWin;
}

function openWindowCentered(aTarget, aWidth, aHeight, isScroll, isStatus, isMenu, isTool, isResize) {
	var newWin = openWindow(aTarget, aWidth, aHeight, isScroll, isStatus, isMenu, isTool, isResize);
	centerWindow(newWin, aWidth, aHeight);
	return newWin;
}

function centerWindow(aWindow, aWidth, aHeight) {
	placeWindow(aWindow, 'center', aWidth, aHeight);
}

function placeWindow(aWindow, aPosition, aWidth, aHeight) {

	// horizontale Positionen
	var hMin = 0;
	var hAvg = Math.floor( (screen.width - aWidth) / 2);
	var hMax = Math.floor( screen.width - aWidth );

	// vertikale Positionen
	var vMin = 0;
	var vAvg = Math.floor( (screen.height - aHeight) / 2);
	var vMax = Math.floor( screen.height - aHeight );

	// Position bestimmen und setzen
	switch(aPosition) {
		case 'center':
			aWindow.moveTo(hAvg, vAvg);
			break;
		case 'left_top':
			aWindow.moveTo(hMin, vMin);
			break;
		case 'top':
			aWindow.moveTo(hAvg, vMin);
			break;
		case 'right_top':
			aWindow.moveTo(hMax, vMin);
			break;
		case 'right':
			aWindow.moveTo(hMax, vAvg);
			break;
		case 'right_bottom':
			aWindow.moveTo(hMax, vMax);
			break;
		case 'bottom':
			aWindow.moveTo(hAvg, vMax);
			break;
		case 'left_bottom':
			aWindow.moveTo(hMin, vMax);
			break;
		case 'left':
			aWindow.moveTo(hMin, vAvg);
			break;
	}
}

function getWindowLeft(aWindow) {
	if (isIE) {
		return aWindow.screenLeft;
	} else {
		return aWindow.screenX;
	}
}

function getWindowTop(aWindow) {
	if (isIE) {
		return aWindow.screenTop;
	} else {
		return aWindow.screenY;
	}
}

function getObj(name)
{
if (document.getElementById)
{
	this.obj = document.getElementById(name);
	this.style = document.getElementById(name).style;
}
else if (document.all)
{
	this.obj = document.all[name];
	this.style = document.all[name].style;
}
else if (document.layers)
{
	this.obj = getObjNN4(document,name);
	this.style = this.obj;
}
}

function getObjNN4(obj,name)
{
	var x = obj.layers;
	var foundLayer;
	for (var i=0;i<x.length;i++)
	{
		if (x[i].id == name)
			foundLayer = x[i];
		else if (x[i].layers.length)
			var tmp = getObjNN4(x[i],name);
		if (tmp) foundLayer = tmp;
	}
	return foundLayer;
}

//document.oncontextmenu = new Function('return false');

function openImpressum() {
	var windowObj = openWindowCentered('impressum.html', 660, 630, 'no', 'no', 'no', 'no', 'no');
	windowObj.focus();
}

function openFilm() {
	var windowObj = openWindowCentered('film.html', 490, 300, 'no', 'no', 'no', 'no', 'no');
	windowObj.focus();
}

function checkKontaktForm() {
	if (document.kontakForm.o2_name.value == "")  {
		alert("Bitte geben Sie Ihren Namen an!");
		return false;
	} else if (document.kontakForm.o2_mail.value == "") {
		alert("Bitte geben Sie Ihre E-Mail-Adresse an!");
		return false;
	} else if (document.kontakForm.o2_mail.value.indexOf('@') == -1) {
		alert("Die angebene E-Mail-Adresse ist nicht korrekt!");
		return false;
	} else if (document.kontakForm.o2_mail.value.indexOf('.') == -1) {
		alert("Die angebene E-Mail-Adresse ist nicht korrekt!");
		return false;
	}
}

window.onload = function() {
	if ($('scroller')) {
		scroller.setup('content-body', 'scroller');
	}
}