// BROTKASTL JavaScript Document

//function open window not used jet
function openNewWindow(URLtoOpen, windowName, windowFeatures)
{ newWindow=window.open (URLtoOpen, windowName, windowFeatures);}


// Standard rollovers

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];
		}
	}
}


function changeText(txtID, txt) {
	var txtNode = document.createTextNode(txt);
	var element = document.getElementById(txtID);
	var oldTxt = element.replaceChild(txtNode, element.firstChild);	
}



var preloadFlag = false;
function preloadImages() {
	//alert("preloadImages");
	if (document.images) {
		voelk_o = newImage("../images/footer_o.png");
		menue1_o = newImage("../images/images/over.png");
		
		page_o = newImage("../images/over.gif");
		page1_a = newImage("../images/page1.gif");
		page1_o = newImage("../images/page1_o.gif");
		page2_a = newImage("../images/page2.gif");
		page2_o = newImage("../images/page2_o.gif");
		page3_a = newImage("../images/page3.gif");
		page3_o = newImage("../images/page3_o.gif");
	
		preloadFlag = true;
	}
}

function displayNB4 (arg, arg2, arg3, arg4, arg5)
{	
	document.getElementById(arg).style.display = "none";
	document.getElementById(arg2).style.display = "block";
	document.getElementById(arg3).style.display = "none";
	document.getElementById(arg4).style.display = "block";
	document.getElementById("image").src = arg5;
}


function over (arg, arg2, arg3, arg4)
{	
	document.getElementById(arg).style.display = "block";
	document.getElementById(arg2).style.display = "block";
	document.getElementById(arg3).style.display = "none";
	document.getElementById(arg4).style.display = "none";
}

function out (arg, arg2)
{
	document.getElementById(arg).style.display = "none";
	document.getElementById(arg2).style.display = "block";
	//document.getElementById(arg).style.visibility = "hidden";
	//document.getElementById(arg2).style.visibility = "visible";

}

function txtOver ()
{
	document.getElementById("onOverText").style.visibility = "visible";
}

function txtOut ()
{
	document.getElementById("onOverText").style.visibility = "hidden";
}

 function expandCollapse() {
	for (var i=0; i<expandCollapse.arguments.length; i++) {
		var element = document.getElementById(expandCollapse.arguments[i]);
		element.style.display = (element.style.display == "none") ? "block" : "none";
	
	}
}

function changeVisibility() {
	///alert("changeVisibility.arguments.length: " + changeVisibility.arguments.length);
	for (var i=0; i<changeVisibility.arguments.length; i++) {
		var element = document.getElementById(changeVisibility.arguments[i]);
		//alert("changeVisibility.arguments.length: " + changeVisibility.arguments.length + "element i: " + changeVisibility.arguments[i]);
		//document.element.style.visibility = "visible";
		element.style.visibility = (element.style.visibility == "hidden") ? "visible" : "hidden";
		//element.style.display = (element.style.display == "none") ? "block" : "none";
	
	}
}


// variables
// total number of pics in array
//var nrPics = new Array();
// current pic 
//var currentNr;

function arrayTester(picArrayJs) {
	alert("picArrayJs.length: " + picArrayJs.length + "element 0: " + picArrayJs[0]);
	//alert("currentNr " +  currentNr + " and picArray(): " + picArray() +  "picArray.length: " + picArray.length);
}
function array(currentNr, picArray) {
	alert("currentNr " +  currentNr + " and picArray(): " + picArray() +  "picArray.length: " + picArray.length);
}


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