<form name="fm">
<input type="text" name="e1" value="bodysong2" onfocus="this.select();">@<input type="text" name="e2" value="gmail.com" onfocus="this.select();">
<script type="text/javascript">
function ms() {
location.href = "mailto:" + document.fm.e1.value + "@" + document.fm.e2.value;
}
</script>
<input type="button" value="email" onclick="ms();">
</form>