// used for grey/coloured boxes for reference selection

function doFragebogen() {
	document.getElementById('javascript-enabled').style.display = "block";
}



function changeDivImages(imgName, buttonState) {
	if(document.all){
		if(buttonState==1){
			document[imgName].src=eval(imgName + "_on.src");
			document.all[imgName + "Caption"].style.visibility = 'visible';
			}
		else{
			document[imgName].src=eval(imgName + "_off.src");
			document.all[imgName + "Caption"].style.visibility = 'hidden';
			}
		}
	else if(document.getElementById){
		//alert(document.getElementById(divID));
		if(buttonState==1){
			document.getElementsByName(imgName)[0].src=eval(imgName + "_on.src");
			document.getElementById(imgName + "Caption").style.visibility = 'visible';
			}
		else{
			document.getElementsByName(imgName)[0].src=eval(imgName + "_off.src");
			document.getElementById(imgName + "Caption").style.visibility = 'hidden';
			}
		}
}

var layerRef, layerStyleRef, styleSwitch, n, ie, w3c,aktiv
if(document.layers) {
        layerRef = document.layers;
        layerStyleRef = "document.";
        styleSwitch = "";
        n = true;
} else if(document.all){
        layerRef = document.all;
        layerStyleRef = "document.all.";
        styleSwitch = ".style";
        ie = true;
} else if(document.documentElement){
        layerRef = document.documentElement;
        layerStyleRef = "document.getElementById('";
        styleSwitch = "').style";
        w3c = true;
}

var lastActive = 0
var stayActive = 0

  function swapNavi(thisNavi) {
  		clearTimeout(doThis);
		eval(layerStyleRef + thisNavi + styleSwitch + '.display="block"')
		if (lastActive != 0 & lastActive != thisNavi) {
			eval(layerStyleRef + lastActive + styleSwitch + '.display="none"')
		}
		if (stayActive != 0) {
			eval(layerStyleRef + stayActive + styleSwitch + '.display="none"')
		}
		lastActive = thisNavi;
  }


  function clearNavi() {
		if (lastActive != 0) {
			eval(layerStyleRef + lastActive + styleSwitch + '.display="none"')
		}
		if (stayActive != 0) {
			eval(layerStyleRef + stayActive + styleSwitch + '.display="block"')
		}
	}

function hiliteItem(whichItem) {
	eval(layerStyleRef + whichItem + styleSwitch + '.fontWeight="bold"')
	eval(layerStyleRef + whichItem + styleSwitch + '.color="#ffffff"')
	if(ie==1) {
		eval(layerStyleRef + whichItem + styleSwitch + '.listStyleImage="url(gfx/msie_arrows.gif)"')
		}
		else{
		eval(layerStyleRef + whichItem + styleSwitch + '.listStyleImage="url(gfx/arrows.gif)"')
		}
	eval(layerStyleRef + whichItem + styleSwitch + '.listStylePosition="inside"')
	}

function deHiliteItem(whichItem) {
	eval(layerStyleRef + whichItem + styleSwitch + '.fontWeight="normal"')
	eval(layerStyleRef + whichItem + styleSwitch + '.color="#e7e7e7"')
	eval(layerStyleRef + whichItem + styleSwitch + '.listStyle="none"')
	eval(layerStyleRef + whichItem + styleSwitch + '.listStyleImage="none"')
	}


var menuStatus;

var doThis;
function removeNavi() {
		doThis = setTimeout("clearNavi()", 100);
		//alert(menuStatus);
}


function setColToHeight() {
	var x,y;
	if (self.innerHeight) // all except Explorer
	{
		x = self.innerWidth;
		y = self.innerHeight;
	}
	else if (document.documentElement && document.documentElement.clientHeight)
	// Explorer 6 Strict Mode
	{
		x = document.documentElement.clientWidth;
		y = document.documentElement.clientHeight;
	}
	else if (document.body) // other Explorers
	{
		x = document.body.clientWidth;
		y = document.body.clientHeight;
	}
	colHeight = y - 318;
	// alert(colHeight);
	// alert("<div id='leftArea' style='height: " + colHeight + "'>");
	document.write("<div id='leftArea' style='height: " + colHeight + "px'>");
	}




// used for navigation on Schulungen

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) {
		nav_schulungen_01_over = newImage("gfx/nav_schulungen_01_on.jpg");
		nav_schulungen_02_over = newImage("gfx/nav_schulungen_02_on.jpg");
		nav_schulungen_03_over = newImage("gfx/nav_schulungen_03_on.jpg");
		nav_schulungen_04_over = newImage("gfx/nav_schulungen_04_on.jpg");
		preloadFlag = true;
	}
}