function fernseh_auf()
{
    if (navigator.appName.substr(0,1) == "N")
    {
	window.open("fern/indexf2.html","Seite1","width="+screen.width+",height="+screen.height+",top=0,left=0");
    }
    else window.open("fern/indexf2.html","Seite1","fullscreen, scrollbars");
}

function fernseh2_auf()
{
    if (navigator.appName.substr(0,1) == "N")
    {
	window.open("fern/indexf3.html","Seite1","width="+screen.width+",height="+screen.height+",top=0,left=0");
    }
    else window.open("fern/indexf3.html","Seite1","fullscreen, scrollbars");
}