<html contenteditable="true" xmlns="
http://www.w3.org/1999/xhtml"><head><script>
function boom()
{
document.execCommand("selectAll", false, "");
try { document.execCommand("justifyfull", false, null); } catch(e) { }
try { document.execCommand("inserthorizontalrule", false, "false"); } catch(e) { }
document.execCommand("delete", false, null);
}
</script></head>x y z<body onload="boom();"><div/></body></html>
