Textarea indholdsmarkering?

function vaelg(txtbox){
document.forms[txtbox].elements[0].focus()
document.forms[txtbox].elements[0].select()
}

<a href=\"java script:vaelg(0)\">Marker</a>

Fik ikke det hele med !

<form method=\"POST\" action=\"xxxxx.xx\">
<Script>
function vaelg(txtbox){
document.forms[txtbox].elements[0].focus()
document.forms[txtbox].elements[0].select()
}
</script>
<a href=\"java script:vaelg(0)\">Marker</a>
<textarea rows=\"2\" name=\"xx\" cols=\"20\">Bla bla bla bla bla bla</textarea><input type=\"submit\" value=\"Tryk....\">
</form>

hyde

Takker mange gange :)