var m_h=null;

function bildanzeigen(w,h,ziel)
{

var w1=w;
var h1=h;
optionen = "width=" + w1 + ",height=" + h1 + ",screenX=0,screenY=0,scrollbars=no,locationbar=no,menubar=no,resizable=yes,dependent";
if (m_h != null) if (!m_h.closed) m_h.close();

m_h = window.open('','Detaila',optionen);
m_h.focus();
}