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) {
		home_over = newImage("http://www.femina-politica.de/fp/images/home_over.gif");
		inhalte_over = newImage("http://www.femina-politica.de/fp/images/inhalte_over.gif");
		bestellung_over = newImage("http://www.femina-politica.de/fp/images/bestellung_over.gif");
		redaktion_over = newImage("http://www.femina-politica.de/fp/images/redaktion_over.gif");
		callforpapers_over = newImage("http://www.femina-politica.de/fp/images/callforpapers_over.gif");
		newsletter_over = newImage("http://www.femina-politica.de/fp/images/newsletter_over.gif");
		tagungen_over = newImage("http://www.femina-politica.de/fp/images/tagungen_over.gif");
		links_over = newImage("http://www.femina-politica.de/fp/images/links_over.gif");
		preloadFlag = true;
	}

}
*/

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		home_over = newImage("images/home_over.gif");
		inhalte_over = newImage("images/inhalte_over.gif");
		bestellung_over = newImage("images/bestellung_over.gif");
		redaktion_over = newImage("images/redaktion_over.gif");
		callforpapers_over = newImage("images/callforpapers_over.gif");
		newsletter_over = newImage("images/newsletter_over.gif");
		tagungen_over = newImage("images/tagungen_over.gif");
		links_over = newImage("images/links_over.gif");
		preloadFlag = true;
	}

}




var externerLinkText = "Externer Link";
var textNeuesFenster = "(neues Fenster)";
var isOp = (navigator.userAgent.toLowerCase().indexOf("opera") != -1) ? true : false; function titleAnpassen(linkObjekt) {
  if (linkObjekt.getAttribute) {
    textAlt = linkObjekt.getAttribute("title");
    if(textAlt && textAlt.indexOf(textNeuesFenster) == -1) {
      textZusatz = textAlt.substring((textAlt.indexOf(externerLinkText)) + externerLinkText.length, textAlt.length);
      linkObjekt.setAttribute("title", externerLinkText + " " + textNeuesFenster + textZusatz);
    }
  }
}


var InternerLinkText = "Interner Link";
var textNeuesFenster = "(neues Fenster)";
var isOp = (navigator.userAgent.toLowerCase().indexOf("opera") != -1) ? true : false; function titleAnpassenIntern(linkObjekt) {
  if (linkObjekt.getAttribute) {
    textAlt = linkObjekt.getAttribute("title");
    if(textAlt && textAlt.indexOf(textNeuesFenster) == -1) {
      textZusatz = textAlt.substring((textAlt.indexOf(externerLinkText)) + externerLinkText.length, textAlt.length);
      linkObjekt.setAttribute("title", externerLinkText + " " + textNeuesFenster + textZusatz);
    }
  }
}

function fensterOeffnenExtern(linkObjekt) {
  var linkHref= "";
  if (linkObjekt.getAttribute) linkHref = linkObjekt.getAttribute("href");
  if (linkHref == "") return true;
  var fensterName = "extern";
  var externesLinkFenster = window.open(linkHref,fensterName);
  if (externesLinkFenster && !isOp) externesLinkFenster.focus();
  return (externesLinkFenster) ? false : true;
}
function fensterOeffnenIntern(linkObjekt) {
  var linkHref= "";
  if (linkObjekt.getAttribute) linkHref = linkObjekt.getAttribute("href");
  if (linkHref == "") return true;
  var fensterName = "intern";
  var externesLinkFenster = window.open(linkHref,fensterName);
  if (externesLinkFenster && !isOp) externesLinkFenster.focus();
  return (externesLinkFenster) ? false : true;
}





var ioWindow;

function openWindow(url,x,y)
	{
	if (ioWindow) {if (!ioWindow.closed) ioWindow.close()}
	h=screen.availHeight-30;
	w=screen.availWidth-30;
	t=(h-y)/2; if (t<0) t=0;
	u=(w-x)/2; if (w<0) w=0;
	ioWindow = window.open(url,"popup",'width='+x+',height='+y+',left='+u+',top='+t+',scrollbars=auto,resizable=yes');
	ioWindow.focus();
	}
	
// Formular-Buttons Rollover

function butover(x)
	{
	/*if (is_nav4) return;*/
	url=x.src;
	found=url.split("/");
	nfound=found[found.length-1].split(".");
	nlength=nfound[0].length-1;
	folder=url.replace(found[found.length-1],"");
	name=nfound[0].substr(0,nlength);
	x.src = folder+name+"1."+nfound[1];
	}
	
function butout(x)
	{
	/*if (is_nav4) return;*/
	url=x.src;
	found=url.split("/");
	nfound=found[found.length-1].split(".");
	nlength=nfound[0].length-1;
	folder=url.replace(found[found.length-1],"");
	name=nfound[0].substr(0,nlength);
	x.src = folder+name+"0."+nfound[1];
	}