// sidebanners


// anfang: bildaustausch nach vorgegebener Zeit
var aktiv = window.setInterval("change_pic()", change_pic_intervall);
function change_pic () {
var i; var ii; var iii;
i=Math.round(Math.random()*(pics_in_library-1)+1);  // in der Bildleiste wird das obere Bild per zufall festgelegt
v_im=i; 
if(i==pics_in_library-1){ii=pics_in_library;iii=1;} else if(i==pics_in_library){ii=1; iii=2;} else{ii=i+1; iii=i+2;};
document.images["pic_top"].src=Picture[i].src; document.images["pic_center"].src=Picture[ii].src;document.images["pic_bottom"].src=Picture[iii].src;
fadeTargetId_pic_top = 'pic_top'; fadeTargetId_pic_center = 'pic_center'; fadeTargetId_pic_bottom = 'pic_bottom';

fadeInit();
}
//Start of routine to fade all 3 pictures
 		
function fadeInit() {
fadeTarget_pic_top=document.getElementById(fadeTargetId_pic_top); 
fadeTarget_pic_top.style.visibility = "hidden"; 
fadeTarget_pic_center=document.getElementById(fadeTargetId_pic_center); 
fadeTarget_pic_center.style.visibility = "hidden";
fadeTarget_pic_bottom=document.getElementById(fadeTargetId_pic_bottom); 
fadeTarget_pic_bottom.style.visibility = "hidden"; 

	if (document.getElementById) {		
		if (fadeTarget_pic_top.style.MozOpacity!=null) {fadeTarget_pic_top.style.MozOpacity = 0; } 
		else if (fadeTarget_pic_top.style.opacity!=null) {fadeTarget_pic_top.style.opacity = 0;} 
		else if (fadeTarget_pic_top.style.filter!=null) {fadeTarget_pic_top.style.filter = "alpha(opacity=0)";}
		fadeTarget_pic_top.style.visibility = 'visible';		
			
		if (fadeTarget_pic_center.style.MozOpacity!=null) {fadeTarget_pic_center.style.MozOpacity = 0; } 
		else if (fadeTarget_pic_center.style.opacity!=null) {fadeTarget_pic_center.style.opacity = 0;} 
		else if (fadeTarget_pic_center.style.filter!=null) {fadeTarget_pic_center.style.filter = "alpha(opacity=0)";}
		fadeTarget_pic_center.style.visibility = 'visible'; 		
			
		if (fadeTarget_pic_bottom.style.MozOpacity!=null) {fadeTarget_pic_bottom.style.MozOpacity = 0; } 
		else if (fadeTarget_pic_bottom.style.opacity!=null) {fadeTarget_pic_bottom.style.opacity = 0;} 
		else if (fadeTarget_pic_bottom.style.filter!=null) {fadeTarget_pic_bottom.style.filter = "alpha(opacity=0)";}
		fadeTarget_pic_bottom.style.visibility = 'visible'; }
		
window.setTimeout("fadeIn(0)", 0);
}

function fadeIn(opacity) {
if (opacity <= 100) {
	if (fadeTarget_pic_top) {		
			if (fadeTarget_pic_top.style.MozOpacity!=null) {fadeTarget_pic_top.style.MozOpacity = (opacity/100)-.001;} 
			else if (fadeTarget_pic_top.style.opacity!=null) {fadeTarget_pic_top.style.opacity = (opacity/100)-.001;} 
			else if (fadeTarget_pic_top.style.filter!=null) {fadeTarget_pic_top.style.filter = "alpha(opacity="+opacity+")";}}
			
	if (fadeTarget_pic_center) {		
			if (fadeTarget_pic_center.style.MozOpacity!=null) {fadeTarget_pic_center.style.MozOpacity = (opacity/100)-.001;} 
			else if (fadeTarget_pic_center.style.opacity!=null) {fadeTarget_pic_center.style.opacity = (opacity/100)-.001;} 
			else if (fadeTarget_pic_center.style.filter!=null) {fadeTarget_pic_center.style.filter = "alpha(opacity="+opacity+")";}}
			
	if (fadeTarget_pic_bottom) {		
			if (fadeTarget_pic_bottom.style.MozOpacity!=null) {fadeTarget_pic_bottom.style.MozOpacity = (opacity/100)-.001;} 
			else if (fadeTarget_pic_bottom.style.opacity!=null) {fadeTarget_pic_bottom.style.opacity = (opacity/100)-.001;} 
			else if (fadeTarget_pic_bottom.style.filter!=null) {fadeTarget_pic_bottom.style.filter = "alpha(opacity="+opacity+")";}}		
			
opacity += 1; window.setTimeout("fadeIn("+opacity+")", 1);}
window.clearInterval(aktiv); aktiv = window.setInterval("change_pic()", 4.5*change_pic_intervall);// um wiederholungshäufigkeit "ruhe" wert zu setzen}
}
//faderoutine ends
// ende: bildaustausch nach vorgegebener Zeit

// aktualisierung der Werbebilder nachdem die Seite neu geladen wurde (z.b. wegen php aufruf)
var ii; var iii;
if(v_im==pics_in_library-1){ii=pics_in_library;iii=1;} else if(v_im==pics_in_library){ii=1; iii=2;} else{ii=v_im+1; iii=v_im+2;};
document.images["pic_top"].src=Picture[v_im].src;document.images["pic_center"].src=Picture[ii].src;document.images["pic_bottom"].src=Picture[iii].src;