Someone

<script language="JavaScript">
function getValues(f)
{
var el,e=0,i,cnt, newItem='';
f=document.frmChk;
while(el=f.elements[e++])
{
if(el.type=='checkbox' || el.type=='radio')
{
if(el.checked)
{
cnt=[el.value];
var i = 0;
while(el=cnt[i++])
newItem = newItem + el +';';
} 
} 
}
window.opener.document.VNOS.MO.value = newItem;
window.close();
}
</script>

<body>
<form name="form1" method="post" action="message.php">
  <input type="checkbox" name="address" value="wootwoot"> 
  wootwoot
  <input type="submit" name="insert">
</form>