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() 
{
	/*
	btn_sub_diskforum.png
	btn_sub_diskforum-over.png
	btn_sub_logout.png
	btn_sub_logout-over.png
	btn_sub_baudetails.png
	btn_sub_baudetails-over.png
	btn_sub_baukompetenz.png
	btn_sub_baukompetenz-over.png
	*/
  if (document.images) 
  {
        ds_navi_001_over = newImage("design/ds_navi_001-over.jpg");
        ds_navi_002_over = newImage("design/ds_navi_002-over.jpg");
        ds_navi_003_over = newImage("design/ds_navi_003-over.jpg");
        ds_navi_004_over = newImage("design/ds_navi_004-over.jpg");
        ds_navi_005_over = newImage("design/ds_navi_005-over.jpg");
        ds_navi_006_over = newImage("design/ds_navi_006-over.jpg");
        ds_navi_007_over = newImage("design/ds_navi_007-over.jpg");
        ds_navi_008_over = newImage("design/ds_navi_008-over.jpg");
        ds_navi_009_over = newImage("design/ds_navi_009-over.jpg");
        ds_navi_010_over = newImage("design/ds_navi_010-over.jpg");
        ds_navi_011_over = newImage("design/ds_navi_011-over.jpg");
        ds_navi_000_over = newImage("design/layout_NV_L_over.jpg");
		ds_navi_bau_over = newImage("design/ds_navi_bauinfo-over.jpg");
        btn_sub_bauablaeufe_over = newImage("images/btn_sub_baudetails.png");
        btn_sub_bautagebuecher_over = newImage("images/btn_sub_bautagebuecher-over.png");
        btn_sub_baunews_over = newImage("images/btn_sub_baunews-over.png");
        btn_sub_kompetenzzentrum_over = newImage("images/btn_sub_baukompetenz-over.png");
        btn_sub_meinbauvorhaben_over = newImage("images/btn_sub_meinbauvorhaben-ove.png");
        btn_sub_meinethemen_over = newImage("images/btn_sub_diskforum-over.png");
        btn_sub_meinefavouriten_over = newImage("images/btn_sub_meinefavouriten-ove.png");
        btn_sub_meinebilder_over = newImage("images/btn_sub_meinebilder-over.png");
        btn_sub_meinaccount_over = newImage("images/btn_sub_meinaccount-over.png");
        btn_sub_baulexikon_over = newImage("images/btn_sub_baulexikon-over.png");
        btn_sub_baudienstleistungen_over = newImage("images/btn_sub_baudienstleistungen-over.png");
        btn_sub_bauplaner_over = newImage("images/btn_sub_bauplaner-over.png");
        btn_sub_bauprodukte_over = newImage("images/btn_sub_bauprodukte-over.png");
        btn_sub_handwerker_over = newImage("images/btn_sub_handwerker-over.png");
        btn_sub_bauausstattungen_over = newImage("images/btn_sub_bauausstattungen-over.png");
	    btn_sub_logout_over = newImage("images/btn_sub_logout-over.png");
	    btn_sub_login_over = newImage("images/btn_sub_login-over.png");
		btn_sub_allebaus_over = newImage("images/btn_sub_allebaus-over.png");
		btn_sub_busohnelog_over = newImage("images/btn_sub_busohnelog_over.png");
		btn_sub_blog_over = newImage("images/btn_sub_blog-over.png");
		btn_sub_meinebaus_over = newImage("images/btn_sub_meibus-over.png");

        preloadFlag = true;
  }
}

function popupNutz()
{
  var URL = "nutzungsbedingungen.php";
  var Name = "Nutzungsbedingungen infobau-deutschland.de";
  var Fensteroptionen = "toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1";
  var Breite = 768;
  var Hoehe = 1024;
  window.open(URL, 'Name', Fensteroptionen + ',width=' + Breite + ',height=' + Hoehe);
}