password protection

<!-- demo: https://liveweave.com/gu0ReI -->

<script>
var password;
var pass1="your password here";
password=prompt("enter your password to view this page.","");
if (password==pass1)
alert('password correct! click ok to enter.');
else
{
window.location="u can put any link u want the page to get redirected to here";
}
</script>