2 javascript in 1 design page/2 functions in 1 script tag??

1)Is it possible to perform 2 javascripts in a single design page
2)Is it possible to write 2 functions inside single script tag


Need answer for both questions..plz provide me

<script type="text/javascript">
function OpenConfirm() {
alert('Invisible datas appear');
}
</script>
<script type="text/javascript">
function Open() {
var a = confirm('How to further continue?');
return true;
}
</script>