<script language="JavaScript">
<!--
//** power by fason
var str="20030330"
var arr=str.match(/^(\d{4})(\d{2})(\d{2})$/);
alert(arr.slice(1).join("-"))
//-->
</script>
var str="20030330";
str=str.substring(0,4)+"-"+str.substring(4,6)+"-"+str.substring(6,8);
alert(str);
var str="2003-03-30";
str=str.replace("-","");
str=str.replace("-","");
alert(str);