function Popup(album,fenster) {

var w = 900;
var h = 600;

var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2;

var neu=window.open('', fenster, 'height='+h+',width='+w+',top='+wint+',left='+winl+',directories=no,status=no,scrollbars=yes,resizable=yes,menubar=no,location=no,copyhistory=no,toolbar=no');

neu.document.location.href=album;
neu.focus();
}


var NN3 = false;

 i1= new Image();
 i1.src = "images/but.gif";
 i1on = new Image();
 i1on.src = "images/but_a.gif";

 i2= new Image();
 i2.src = "images/but.gif";
 i2on = new Image();
 i2on.src = "images/but_a.gif";

 i3= new Image();
 i3.src = "images/but.gif";
 i3on = new Image();
 i3on.src = "images/but_a.gif";

 i4= new Image();
 i4.src = "images/but.gif";
 i4on = new Image();
 i4on.src = "images/but_a.gif";

 i5= new Image();
 i5.src = "images/but.gif";
 i5on = new Image();
 i5on.src = "images/but_a.gif";

 i6= new Image();
 i6.src = "images/but.gif";
 i6on = new Image();
 i6on.src = "images/but_a.gif";

 i7= new Image();
 i7.src = "images/but.gif";
 i7on = new Image();
 i7on.src = "images/but_a.gif";

 i8= new Image();
 i8.src = "images/but.gif";
 i8on = new Image();
 i8on.src = "images/but_a.gif";
 
 
 i9= new Image();
 i9.src = "images/but.gif";
 i9on = new Image();
 i9on.src = "images/but_a.gif";
 
 
 i10= new Image();
 i10.src = "images/but.gif";
 i10on = new Image();
 i10on.src = "images/but_a.gif";

 function on3(name)   {
         document[name].src = eval(name + "on.src");
 }
 function off3(name)  {
         document[name].src = eval(name + ".src");
 }
 NN3 = true;

 function on(name)  {
         if (NN3) on3(name);
 }
 function off(name)  {
         if (NN3) off3(name);
 }