function init(){
focus=1;
}

var DOM = (document.getElementById)? true : false;
var OP = (window.opera)? true : false;
var OP5 = (OP && DOM)? true : false;
var NS = (window.outerWidth && !OP)? true : false;
var MOZ = (NS && DOM)? true : false;
var NS4 = (NS && !DOM)? true : false;
var IE = (document.all && !OP)? true : false;
var IE5 = (IE && DOM)? true : false;
var IE4 = (IE && !DOM)? true : false;
var WIN=(navigator.userAgent.indexOf('Win')!=-1)? true : false;

 function thisObj(objName)
   {
   if(IE4){ return document.all[objName].style;}
   else if(DOM) {return document.getElementById(objName).style;}
   else if(NS4) {return document.layers[objName];}
   }

// Anzeige /Ausblenden der Menueleiste  
var focus=2;
function zeigen(objName)
{

if(focus==1){thisObj(objName).visibility = (NS4)? "show" : "visible";
focus=2;
}
else{
thisObj(objName).visibility = (NS4)? "hide" : "hidden";
focus=1;
}
}


// highlighting der Titel
function spotA(){
if(focus==2){
 document.titel.src="../images/n_bogA.gif";
 }else {document.titel.src="../images/trans.gif";
 }
}

function spotU(){
if(focus==2){
 document.titel.src="../images/n_bogU.gif";
 }else {document.titel.src="../images/trans.gif";
 }
}


/* var focus=1;

 function  zeigen(object){

 if(focus==1){

 if(ie4)object.visibility="visible"

 if(ns4)object.visibility="show"

focus=2;

}else{

if(ie4)object.visibility="hidden"


 if(ns4)object.visibility="hide"

focus=1;

}

}
*/

//Rollover Bildwechsel laden der Bilder
var Bilder;


Bilder= new Array();

var anzahlObj = 0;

function laden(name,erstes,zweites) {

    Bilder[anzahlObj] = new Array(3);

    Bilder[anzahlObj][0] = new Image();

    Bilder[anzahlObj][0].src = erstes;

    Bilder[anzahlObj][1] = new Image();

    Bilder[anzahlObj][1].src = zweites;

  
    Bilder[anzahlObj][2] = name;


    anzahlObj++;


}


//Rollover Bildwechsel
 function an(name){
 
if(focus==2){

    for (i = 0; i < anzahlObj; i++) {

      if (document.images[Bilder[i][2]] != null)

       if (name != Bilder[i][2]) {


   // alle anderen Bilder zuruecksetzen


          document.images[Bilder[i][2]].src = Bilder[i][0].src;


        } else {


         document.images[Bilder[i][2]].src = Bilder[i][1].src;

	}
	
    }

  }
 
  
}

// alle Bilder zuruecksetzen
function aus(){

if(focus==2){

     for (i = 0; i < anzahlObj; i++) {

      if (document.images[Bilder[i][2]] != null)


      document.images[Bilder[i][2]].src = Bilder[i][0].src;

  }
 }
}


// highlighting der Titel
function spotA(){
if(focus==2){
 document.titel.src="../images/n_bogA.gif";
 }else {document.titel.src="../images/trans.gif";
 }
}

function spotU(){
if(focus==2){
 document.titel.src="../images/n_bogU.gif";
 }else {document.titel.src="../images/trans.gif";
 }
}



// Bogen-Bilder 


laden("bild1","../images/trans.gif", "../images/n_bogA.gif" );

laden("bild2", "../images/trans.gif","../images/n_bogU.gif" );


laden("bild3", "../images/trans.gif","../images/n_bogA.gif");


laden("bild4", "../images/trans.gif","../images/n_bogU.gif");

laden("bild5", "../images/trans.gif","../images/n_bogA.gif");


laden("bild6", "../images/trans.gif","../images/n_bogU.gif");


laden("bild7","../images/trans.gif ","../images/n_bogA.gif");