var imgObject;
var sCurrImg;
var bCurrBright;
var ip = null;
var aImg = [''];


function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_setTextOfLayer(objName,x,newText) { //v4.01
  if ((obj=MM_findObj(objName))!=null) with (obj)
    if (document.layers) {document.write(unescape(newText)); document.close();}
    else innerHTML = unescape(newText);
}

function checkIt (browser)
{
    browser = browser.toLowerCase();
    detect = navigator.userAgent.toLowerCase();
	place = detect.indexOf(browser) + 1;
	return place;
}

function loadRoot (nMenuLength, sImage, bBrightLogo, sIdContent)
{
    showMenu(0, nMenuLength);
    showImage (sImage, bBrightLogo);
    loadContent (sIdContent, 'item');
	MM_showHideLayers('lyContainer','','show');
}


function initSite ()
{
    // hack: ie/mac probleme mit der positionierung des inhaltslayers auf dem ie auf mac
    if (checkIt ('mac') || !checkIt ('safari'))
    {
        document.getElementById('lyContent').style.top = '11px';
    }

    // link rahmen ausschalten
    blurLinks ();
}

function blurLinks() { 

    if (!document.getElementById) return; 
    
    theLinks = document.getElementsByTagName("a"); 
    
    for(i=0; i<theLinks.length; i++) { 
        theLinks[i].onfocus = unblur; 
    }
}

function unblur() { 
    this.blur(); 
} 

function showContent ()
{
    setTimeout ('showContentCall();', 1000);
}

function hideLogo ()
{
		MM_showHideLayers('lyLogocontentBright','','hide');
		MM_showHideLayers('lyLogocontentDark','','hide');
}

function setLogo (bBright)
{
	if (bBright)
	{
		MM_showHideLayers('lyLogocontentBright','','show');
		MM_showHideLayers('lyLogocontentDark','','hide');
	}
	else
	{
		MM_showHideLayers('lyLogocontentBright','','hide');
		MM_showHideLayers('lyLogocontentDark','','show');
	}
    
}

function showContentCall ()
{
    MM_showHideLayers('lyIframecontent','','show');
}

function hideContent ()
{
    MM_showHideLayers('lyIframecontent','','hide');
}

function showContent2 ()
{
    MM_showHideLayers('lyIframecontent2','','show');
}

function hideContent2 ()
{
    MM_showHideLayers('lyIframecontent2','','hide');
}

function showMenu (nCurrMenu, nCountMenus)
{
    for (i = 0; i < nCountMenus; i++)
    {
        if (nCurrMenu == i)
        {
            MM_showHideLayers('menu' + i,'','show');
        }
        else
        {
            MM_showHideLayers('menu' + i,'','hide');
        }
    }
	showMenu1 (0);
}

function showMenu1 (nCurrMenu, nCountMenus)
{
    for (i = 100; i < 200; i++)
    {
        if (nCurrMenu == i)
        {
            MM_showHideLayers('menu' + i,'','show');
        }
        else
        {
            MM_showHideLayers('menu' + i,'','hide');
        }
    }
}

function showImage (sImage, bLogoBright)
{
    sCurrImg = sImage;
    bCurrBright = bLogoBright;
    aImg[0] = sImage;
    
    // hack: die image preloader klasse funktioniert nicht auf dem ie auf mac
    if (!checkIt ('mac') || checkIt ('safari'))
    {
        ip = new ImagePreloader(aImg, onPreload);    
    }

    // hack: ie/mac probleme mit der positionierung des inhaltslayers auf dem ie auf mac
    if (checkIt ('mac') && !checkIt ('safari'))
    {
        document.getElementById('lyContent').style.top = '24px';
    }

    // hack: safari und der ie auf dem mac lösen nicht das event aus, drum wird's 
    // hier aufgerufen
    if (checkIt ('mac'))
    {
        showPreloadedImage (sImage, bLogoBright);
    }
}


function onPreload(aImages, nImages)
{
    showPreloadedImage (sCurrImg, bCurrBright);
}

function showPreloadedImage (sImage, bLogoBright)
{
	if (bLogoBright)
	{
		MM_showHideLayers('lyLogocontentBright','','show');
		MM_showHideLayers('lyLogocontentDark','','hide');
	}
	else
	{
		MM_showHideLayers('lyLogocontentBright','','hide');
		MM_showHideLayers('lyLogocontentDark','','show');
	}
	MM_swapImage('imgBackground','',sImage,1);
}

function loadContent (sId, sTopic)
{
    hideContent ();
	hideContent2 ();
	document.getElementById('lyMenu').style.width = '500px';
	MM_goToURL('frmdescriptioncontent','content.aspx?id=' + sId + '&topic=' + sTopic);
	return document.MM_returnValue;
}

function loadContent2 (sId, sTopic)
{
	document.getElementById('lyMenu').style.width = '680px';
	MM_goToURL('frmdescriptioncontent2','content.aspx?id=' + sId + '&topic=' + sTopic);
	return document.MM_returnValue;
}

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}