function popup(folder,bestand,b,h) {
var loc=""+folder+"/"+bestand;
var parameters="toolbar=no,scrollbars=no,location=no,status=no,menubar=no,resizable=no,top=0,left=0,width="+b+",height="+h;
foto = window.open("","pic",parameters);
foto.moveTo((screen.availWidth-b)/2, (screen.availHeight-h)/2);
foto.document.write(":: Creatal foto ::");
foto.document.write("");
foto.document.write("![]("+loc+")
");
foto.document.close();
}