var MyWin; 
 function AlbumPopup(u,f,n)
 {
 if (MyWin != null) MyWin.close(); 
 var ScreenWidth = 800;
var ScreenHeight = 600;
var breed = 640;
var hoogte = 550;
    ScreenWidth = screen.width;
   ScreenHeight = screen.height;
   xsize = breed+35;
ysize = hoogte+75;
   xpos = (ScreenWidth/2)-(xsize/2);
ypos = ((ScreenHeight/2)-(ysize/2));
	if (navigator.appName=="Microsoft Internet Explorer") {
	MyWin = window.open('/SlideShow.aspx?N=' + n +'&p='+pagid+ '&s=' + sesid,'_blank','toolbar=no,menubar=no,fullscreen=no,scrollbars=no,resizable=yes,width=' + breed + ',height=' + hoogte + ',left='+ xpos +',top='+ypos+'');
	}else{
	MyWin = window.open('/modules/PopupAlbum.aspx?theUrl=' + escape(u) + '&Filename=' + escape(f) + '&N=' + n,'_blank','toolbar=no,menubar=no,fullscreen=no,scrollbars=no,resizable=yes, width=' + breed + ',height=' + hoogte + ',left='+ xpos +',top='+ypos+'');
  }  
  MyWin.focus();
}