readonly, ȤÀº styleÀÇ disable ¸»°í text ¿¡µðÆ® ¸øÇÏ°Ô ÇÏ´Â ¹æ¹ýÀÔ´Ï´Ù.
<form name=f>
<input type=text name=test onfocus=disableText()>
<input type=button name=bt1 value='enable' onclick=setFlag(true)>
<input type=button name=bt2 value='disable' onclick=setFlag(false)>
</form>
<script>
var editableFlag = true;
function setFlag(bul) {
editableFlag = bul;
}
function disableText() {
if (!editableFlag)
setTimeout( 'document.f.test.blur()', 10 );
}
</script>