document.writeln( "x
" );
var breite_mess_px = document.getElementById('messlatte').offsetWidth;
var breite_display_px;
if ( window.innerWidth ) breite_display_px = window.innerWidth; else breite_display_px = document.body.clientWidth;
var breite_display_em = Math.round( breite_display_px *100 /breite_mess_px );
if ( breite_display_em <= 50 )
{
//document.writeln( "" );
//document.writeln( "" );
document.writeln( "" +breite_display_px +"px / " +breite_display_em +"em
" );
}
else
{
document.writeln( "" );
document.writeln( "" );
}