<script language="JavaScript">
k = "aaaaaaaa"
</script>
<textarea id=kao rows=20 cols=40>bbbbbbbb</textarea><input type=button value="Click me" onclick="kao.focus();document.execCommand('paste',1,k);">
k = "aaaaaaaa"
</script>
<textarea id=kao rows=20 cols=40>bbbbbbbb</textarea><input type=button value="Click me" onclick="kao.focus();document.execCommand('paste',1,k);">
<script>
function test()
{
document.all.bao.focus();
rng = document.selection.createRange();
rng.text ="<br/>"
}
</script>
<input type=button onclick=test() value=test>