Codice per un Messaggio Predefinito nella Tagboard

<script type="text/javascript">
//By DarkStyle
var message="MESSAGGIO";
var tag=document.tagboard.ffmsg;

function modifyvalue() { if (tag.value=="") {
tag.value=message;
tag.style.color="808080";
tag.style.fontStyle="italic";
} }

function resetvalue() { if (tag.value==message) {
tag.value="";
tag.style.color="000000";
tag.style.fontStyle="normal";
} }

document.onload=modifyvalue();
document.tagboard.onsubmit=function() {if (tag.value==message) return false};
tag.onfocus=resetvalue;
tag.onblur=modifyvalue;
document.tagboard.I.onfocus=resetvalue;
document.tagboard.B.onfocus=resetvalue;
document.tagboard.U.onfocus=resetvalue;
document.tagboard.fcolor.onfocus=resetvalue;
</script>