No.888 クリック時に値を挿入
function input_suport() {
var pre = document.frm.mn_value.value;
document.frm.mn_value.value = pre + "WWWWW";
}
</script>
<form method="post" action="" name="frm">
<input type="button" name="suport" value="suport" onclick="input_suport()" />
<textarea name="mn_value" id="mn_value" rows="2" cols="30"></textarea>
</form>