var menuName = "menuArea";

var maxXValue = 0;
var minXValue = -140;
var menuHeight = 377;
var stepShow = 3;
var stepHide = 1.5;
var timeout = 0;
var slideInTimeout = 0;

var timeSkipCounter = 0;
var showDelay = 0;
var hideDelay = 5;
var frameTime = 80;

function getFlashMovie (movName) {
	return getElement(movName);
}

function DoSlideNavIn (){
	var top = 0;
	
	window.clearTimeout(slideInTimeout);
	
	if(!document.getElementById){
		top = document.layers[menuName].top;
	} else {
		menuRef = document.getElementById(menuName);
		top = parseInt(menuRef.style.top);
	}
	
	/* if the menu is already slided in, don't reset it! */
	if(top >= 0) return;
	
	theMovie = getFlashMovie("movie");
	if(theMovie){
		try{
			if(theMovie.PercentLoaded() == 100){
				var curFrame = theMovie.TCurrentFrame('_level0');
				top = -menuHeight + (curFrame-20) * menuHeight / 24;
			}
		} catch(e) { /* Flash disabled */
			top = 0;
		}
	}
    
	if(top < 0){
		slideInTimeout = setTimeout("DoSlideNavIn();", frameTime);
	} else {
		top = 0;
	}
	
	if(!document.getElementById){
		document.layers[menuName].top = top;
	} else {
		menuRef.style.top = top + "px";
	}
}

function DoHideNavWithDelay (){
	timeSkipCounter = 0;
	DoHideNav();
}

function DoShowNavWithDelay (){
	timeSkipCounter = 0;
	DoShowNav();
}

function DoHideNav (){
	var	top;
	var	left;
	var continueTimer = true;
	
	window.clearTimeout (timeout);
	
	if(timeSkipCounter < hideDelay){
		timeSkipCounter++;
	} else {
		if(!document.getElementById){
			left = document.layers[menuName].left;
		} else {
			menuRef = document.getElementById(menuName);
			left = parseInt(menuRef.style.left);
		}
		
		if((left+Math.round(left/stepHide) -1) <= minXValue){
			left = minXValue;
			continueTimer = false;
		} else
			left += Math.round(left/stepHide) -1;
		
		if(!document.getElementById){
			document.layers[menuName].left = left;
		} else {
			menuRef.style.left = left + "px";
			menuRef.style.clip = "rect(0px, 600px, " + menuHeight + "px, " + (-left) + "px)";
		}
	}
	
	if(continueTimer){
		timeout = setTimeout("DoHideNav();", frameTime);
	}
}

function DoShowNav (){
	var	top;
	var	left;
	var continueTimer = true;
	
	window.clearTimeout (timeout);
	
	if(timeSkipCounter < showDelay){
		timeSkipCounter++;
	} else {
		if(!document.getElementById){
			left = document.layers[menuName].left;
		} else {
			menuRef = document.getElementById(menuName);
			left = parseInt(menuRef.style.left);
		}
		
		if((left+Math.round(left/stepShow) +1) >= maxXValue){
			left = maxXValue;
			continueTimer = false;
		} else
			left -= Math.round(left/stepShow) +1;
		
		if(!document.getElementById){
			document.layers[menuName].left = left;
		} else {
			menuRef.style.left = left + "px";
			menuRef.style.clip = "rect(0px, 600px, " + menuHeight + "px, " + (-left) + "px)";
		}
	}
	
	if(continueTimer){
		timeout = setTimeout("DoShowNav();", frameTime);
	}
}function initMenuButtonImages ()
{
	/*img5 = new Image(250, 50);
	img5.src = "Images/Buttons/BAKontakt.png";
	img6 = new Image(250, 50);
	img6.src = "Images/Buttons/BIKontakt.png";*/
}

function menuBar_mouseOverButton (imageName, textName, baseFileName)
{
	theImage = document.getElementById(imageName);
	theText = document.getElementById(textName);
	
	if(theImage && theText){
		theImage.src = baseFileName + "_on.png";
		theText.style.color = "rgb(0, 0, 0)";
	}
}

function menuBar_mouseOutButton (imageName, textName, baseFileName)
{
	theImage = document.getElementById(imageName);
	theText = document.getElementById(textName);
	
	if(theImage && theText){
		theImage.src = baseFileName + "_off.png";
		theText.style.color = "rgb(160, 160, 160)";
	}
}function getSamplePage (pageNo) {
	var theName = "sample_page_" + pageNo;
	return getElement(theName);
}

function goToNextSamplePage () {
	if(samplePageCount-1 > curSamplePageNo) {
		curSamplePageNo++;
	}
	updateSampleDisplay();
	updateSampleArrows();
}

function goToPrevSamplePage () {
	if(curSamplePageNo > 0){
		curSamplePageNo--;
	}
	updateSampleDisplay();
	updateSampleArrows();
}

function updateSampleDisplay () {
	var activePage = getSamplePage(curSamplePageNo);
	if(activePage){
		//var lastPos = activePage.style.left;
		//activePage.style.left = "0px";
		//activePage.style.left = lastPos;
		activePage.style.visibility = "visible";
	}
	
	var i;
	for(i = 0; i < samplePageCount; i++){
		if(i != curSamplePageNo){
			var thePage = getSamplePage(i);
			if(thePage){
				thePage.style.visibility = "hidden";
			}
		}
	}
}

function updateSampleArrows() {
	var leftArrow = getElement("sample_page_arrow_left");
	var rightArrow = getElement("sample_page_arrow_right");
	
	if(curSamplePageNo == 0){
		leftArrow.style.visibility = "hidden";
	} else {
		leftArrow.style.visibility = "visible";
	}
	
	if(curSamplePageNo >= samplePageCount-1){
		rightArrow.style.visibility = "hidden";
	} else {
		rightArrow.style.visibility = "visible";
	}
	
	var redrawer = getElement("cause_samples_redraw");
	var leftVal = parseInt(redrawer.style.left) + 2;
	redrawer.style.left = leftVal + "px";
}