var fenster;

function cov()
{
     var formatierung=
     "width=370,height=510,screenX=0,"+"screenY=0,locationbar=no,menubar=no"+",resizable=no,status=no";
     fenster =

window.open("html/tbild/cover.htm","navigation",formatierung);

}

function kun()
{
     var formatierung=
     "width=270,height=300,screenX=0,"+"screenY=0,locationbar=no,menubar=no"+",resizable=no,status=no";
     fenster =

window.open("html/tbild/pic.htm","navigation",formatierung);

}

function kun1()
{
     var formatierung=
     "width=270,height=300,screenX=0,"+"screenY=0,locationbar=no,menubar=no"+",resizable=no,status=no";
     fenster =

window.open("html/tbild/beckm.htm","navigation",formatierung);

}