function zentrieren(){
m = Math.round((screen.availHeight-500)/4);
var forum = document.getElementById("main");
forum.style.top=m+"px";
}
function zeigeLayer(layerid){
var layer = document.getElementById(layerid);
layer.style.visibility = "visible";
}
function verbergeLayer(layerid){
var layer = document.getElementById(layerid);
layer.style.visibility = "hidden";
}
var themenbilder = new Array(13);
var today = new Date();
var i = today.getTime();
var einzelbild = 0;
var timeoutzeit;
var ordner;
var a;
function ordnerpfad(a){
//ordner = "bilder_schmuck"+a+"";
ordner = "bilder_schmuck_"+a+"";

//bild_1preload();
}
function bild_1preload(){
themenbilder[einzelbild] = new Image();
themenbilder[einzelbild].src = ""+ordner+"/klein/show_" +einzelbild+".jpg";
themenbilder[einzelbild].onload = bild_1preloadcheck();
}
function bild_1preloadcheck(){
//var nummer_1 = document.getElementById('feld_1');
var now = new Date();
e = now.getTime();
var difference = e-i;
			if( difference > 1000)
									{
													var austauschplatz = document.getElementById('thema1');
													austauschplatz.src = themenbilder[einzelbild].src;
													
									}
																else{
																									setTimeout(' ', 1000);
																							var austauschplatz = document.getElementById('thema1');
																							austauschplatz.src = themenbilder[einzelbild].src;
												}
einzelbild ++;
//einzelbild menge+1
if(einzelbild==26){ einzelbild=0;}
timeoutzeit=setTimeout('bild_1preload()', 1000);
}
function stoppen(){
clearTimeout(timeoutzeit);
austauschplatz = document.getElementById('thema1');
austauschplatz.src = ""+ordner+"/klein/show_" +einzelbild+".jpg";
}
function showbig(){
clearTimeout(timeoutzeit);
if(einzelbild==0){ einzelbild=1;}
var layer_1 = document.getElementById('show_big');
layer_1.style.visibility = "visible";
var layer_2 = document.getElementById('show_menue');
layer_2.style.visibility = "hidden";
var layer_3 = document.getElementById('show_zettel_1');
layer_3.style.visibility = "visible";
var layer_4 = document.getElementById('show_zettel_2');
layer_4.style.visibility = "visible";
var bild = document.getElementById('big_1');
bild.style.visibility = "visible";
austauschplatz = document.getElementById('big_1');
austauschplatz.src = ""+ordner+"/gross/show_" +(einzelbild-1)+".jpg";
austauschlegende = document.getElementById('leg_1');
austauschlegende.src = ""+ordner+"/leg_neu/show_" +(einzelbild-1)+".gif";
einzelbild--;



var layer_5 = document.getElementById('show_trauringe');
layer_5.style.visibility = "hidden";
var layer_5a = document.getElementById('show_trauringe_content');
layer_5a.style.visibility = "hidden";
var layer_6 = document.getElementById('show_ausstellungen');
layer_6.style.visibility = "hidden";
var layer_6a = document.getElementById('show_ausstellungen_content');
layer_6a.style.visibility = "hidden";
var layer_7 = document.getElementById('show_kurse');
layer_7.style.visibility = "hidden";
var layer_8 = document.getElementById('show_kontakt');
layer_8.style.visibility = "hidden";
var layer_8a = document.getElementById('show_kontakt_content');
layer_8a.style.visibility = "hidden";
var layer_9 = document.getElementById('show_menue');
layer_9.style.visibility = "hidden";
var layer_10 = document.getElementById('show_arbeit');
layer_10.style.visibility = "hidden";
var layer_10a = document.getElementById('show_arbeit_content');
layer_10a.style.visibility = "hidden";

}

function showtrauringe()
{
clearTimeout(timeoutzeit);
var bild = document.getElementById('big_1');
bild.style.visibility = "hidden";
var layer_1 = document.getElementById('show_trauringe');
layer_1.style.visibility = "visible";
var layer_1a = document.getElementById('show_trauringe_content');
layer_1a.style.visibility = "visible";
var layer_2 = document.getElementById('show_ausstellungen');
layer_2.style.visibility = "hidden";
var layer_2a = document.getElementById('show_ausstellungen_content');
layer_2a.style.visibility = "hidden";
var layer_3 = document.getElementById('show_kurse');
layer_3.style.visibility = "hidden";
var layer_4 = document.getElementById('show_kontakt');
layer_4.style.visibility = "hidden";
var layer_4a = document.getElementById('show_kontakt_content');
layer_4a.style.visibility = "hidden";
var layer_5 = document.getElementById('show_menue');
layer_5.style.visibility = "hidden";
var layer_6 = document.getElementById('show_zettel_2');
layer_6.style.visibility = "hidden";
var layer_7 = document.getElementById('show_zettel_1');
layer_7.style.visibility = "hidden";
var layer_8 = document.getElementById('show_arbeit');
layer_8.style.visibility = "hidden";
var layer_8a = document.getElementById('show_arbeit_content');
layer_8a.style.visibility = "hidden";
}

function showausstellungen()
{
clearTimeout(timeoutzeit);
var bild = document.getElementById('big_1');
bild.style.visibility = "hidden";
var layer_1 = document.getElementById('show_trauringe');
layer_1.style.visibility = "hidden";
var layer_2 = document.getElementById('show_ausstellungen');
layer_2.style.visibility = "visible";
var layer_2a = document.getElementById('show_ausstellungen_content');
layer_2a.style.visibility = "visible";
var layer_3 = document.getElementById('show_kurse');
layer_3.style.visibility = "hidden";
var layer_4 = document.getElementById('show_kontakt');
layer_4.style.visibility = "hidden";
var layer_4a = document.getElementById('show_kontakt_content');
layer_4a.style.visibility = "hidden";
var layer_5 = document.getElementById('show_menue');
layer_5.style.visibility = "hidden";
var layer_6 = document.getElementById('show_zettel_2');
layer_6.style.visibility = "hidden";
var layer_7 = document.getElementById('show_zettel_1');
layer_7.style.visibility = "hidden";
var layer_8 = document.getElementById('show_arbeit');
layer_8.style.visibility = "hidden";
var layer_8a = document.getElementById('show_arbeit_content');
layer_8a.style.visibility = "hidden";
}

function showkurse()
{
clearTimeout(timeoutzeit);
var bild = document.getElementById('big_1');
bild.style.visibility = "hidden";
var layer_1 = document.getElementById('show_trauringe');
layer_1.style.visibility = "hidden";
var layer_2 = document.getElementById('show_ausstellungen');
layer_2.style.visibility = "hidden";
var layer_3 = document.getElementById('show_kurse');
layer_3.style.visibility = "visible";
var layer_4 = document.getElementById('show_kontakt');
layer_4.style.visibility = "hidden";
var layer_4a = document.getElementById('show_kontakt_content');
layer_4a.style.visibility = "hidden";
var layer_5 = document.getElementById('show_menue');
layer_5.style.visibility = "hidden";
var layer_6 = document.getElementById('show_zettel_2');
layer_6.style.visibility = "hidden";
var layer_7 = document.getElementById('show_zettel_1');
layer_7.style.visibility = "hidden";
var layer_8 = document.getElementById('show_arbeit');
layer_8.style.visibility = "hidden";
var layer_8a = document.getElementById('show_arbeit_content');
layer_8a.style.visibility = "hidden";
}

function showkontakt()
{
clearTimeout(timeoutzeit);
var bild = document.getElementById('big_1');
bild.style.visibility = "hidden";
var layer_1 = document.getElementById('show_trauringe');
layer_1.style.visibility = "hidden";
var layer_2 = document.getElementById('show_ausstellungen');
layer_2.style.visibility = "hidden";
var layer_3 = document.getElementById('show_kurse');
layer_3.style.visibility = "hidden";
var layer_4 = document.getElementById('show_kontakt');
layer_4.style.visibility = "visible";
var layer_4a = document.getElementById('show_kontakt_content');
layer_4a.style.visibility = "visible";
var layer_5 = document.getElementById('show_menue');
layer_5.style.visibility = "hidden";
var layer_6 = document.getElementById('show_zettel_2');
layer_6.style.visibility = "hidden";
var layer_7 = document.getElementById('show_zettel_1');
layer_7.style.visibility = "hidden";
var layer_8 = document.getElementById('show_arbeit');
layer_8.style.visibility = "hidden";
var layer_8a = document.getElementById('show_arbeit_content');
layer_8a.style.visibility = "hidden";
}


function showarbeit()
{
clearTimeout(timeoutzeit);
var bild = document.getElementById('big_1');
bild.style.visibility = "hidden";
var layer_1 = document.getElementById('show_trauringe');
layer_1.style.visibility = "hidden";
var layer_2 = document.getElementById('show_ausstellungen');
layer_2.style.visibility = "hidden";
var layer_3 = document.getElementById('show_kurse');
layer_3.style.visibility = "hidden";
var layer_4 = document.getElementById('show_kontakt');
layer_4.style.visibility = "hidden";
var layer_4a = document.getElementById('show_kontakt_content');
layer_4a.style.visibility = "hidden";
var layer_5 = document.getElementById('show_menue');
layer_5.style.visibility = "hidden";
var layer_6 = document.getElementById('show_zettel_2');
layer_6.style.visibility = "hidden";
var layer_7 = document.getElementById('show_zettel_1');
layer_7.style.visibility = "hidden";
var layer_8 = document.getElementById('show_arbeit');
layer_8.style.visibility = "visible";
var layer_8a = document.getElementById('show_arbeit_content');
layer_8a.style.visibility = "visible";
}


function verbergebig(){
clearTimeout(timeoutzeit);
austauschplatz = document.getElementById('big_1');
austauschplatz.src = "img_big_black.jpg";
var layer_1 = document.getElementById('show_big');
layer_1.style.visibility = "hidden";
var layer_2 = document.getElementById('show_menue');
layer_2.style.visibility = "visible";
var layer_3 = document.getElementById('show_zettel_1');
layer_3.style.visibility = "hidden";
var layer_4 = document.getElementById('show_zettel_2');
layer_4.style.visibility = "hidden";
var bild = document.getElementById('big_1');
bild.style.visibility = "hidden";
}




function vor(){
//einzelbild menge
if(einzelbild==25){ einzelbild=-1;}
austauschplatz = document.getElementById('big_1');
bildquelle=""+ordner+"/gross/show_" +(einzelbild+1)+".jpg";
austauschplatz.src="img_big_black.jpg";
setTimeout ("document.getElementById('big_1').src = bildquelle" , 500);
austauschlegende = document.getElementById('leg_1');
austauschlegende.src = ""+ordner+"/leg_neu/show_" +(einzelbild+1)+".gif";
einzelbild++;
}
function zurueck(){
austauschplatz = document.getElementById('big_1');
austauschlegende = document.getElementById('leg_1');
//einzelbild menge+1
if(einzelbild >=1&& einzelbild <26){
bildquelle = ""+ordner+"/gross/show_" +(einzelbild-1)+".jpg";
austauschplatz.src="img_big_black.jpg";
setTimeout ("document.getElementById('big_1').src = bildquelle" , 500);
austauschlegende.src = ""+ordner+"/leg_neu/show_" +(einzelbild-1)+".gif";
einzelbild--;
}
else{
//einzelbild menge+1
einzelbild=26;
bildquelle = ""+ordner+"/gross/show_" +(einzelbild-1)+".jpg";
austauschplatz.src="img_big_black.jpg";
setTimeout ("document.getElementById('big_1').src = bildquelle" , 500);
austauschlegende.src = ""+ordner+"/leg_neu/show_" +(einzelbild-1)+".gif";
einzelbild--;
}
}






//REGISTER
var timeout_1;
var timeout_2;
var timeout_3;
var timeout_4;



function moveRechts(){
clearTimeout(timeout_2);
var rechtszureg = document.getElementById('show_zettel_1');
var rechtszuregposition = parseInt(rechtszureg.style.left);
if(rechtszuregposition <= 820) {
						//rechtszureg.style.left = (rechtszuregposition +5)+ "px";
					//timeout_1 = setTimeout("moveRechts()", 30);
}
}
function moveLinks(){
clearTimeout(timeout_1);
var linkszureg = document.getElementById('show_zettel_1');
var linkszuregposition = parseInt(linkszureg.style.left);
	if(linkszuregposition >= 780) {
						//linkszureg.style.left = (linkszuregposition -5)+ "px";
						//timeout_2 = setTimeout("moveLinks()", 30);
}
} 
function moveRunter(){
clearTimeout(timeout_4);
var themenreg = document.getElementById('show_zettel_2');
var themenregposition = parseInt(themenreg.style.top);
if(themenregposition <= 320) {
						//themenreg.style.top = (themenregposition +5)+ "px";
					//timeout_3 = setTimeout("moveRunter()", 30);
}
}    
function moveHoch(){
clearTimeout(timeout_3);
var themenreg = document.getElementById('show_zettel_2');
var themenregposition = parseInt(themenreg.style.top);
	if(themenregposition >= 280) {
						//themenreg.style.top = (themenregposition -5)+ "px";
						//timeout_4 = setTimeout("moveHoch()", 30);
}
}