Well, i requested this to be made, and i got inpatient, and started thinking how i could get it to work...
i read thru
http://www.w3schools.com and found out all of the stuff i needed for this
Script Title: Password Protect Webpage V1
Description: Password protect your site!
Example: No example available for this script.
Credit: Script created by Lyle
Copy the following code into your Webpage
AdminCP>Webpage Editor>new>HTMlButton>paste(CTRL+V)
Create the original webpage you want to be password protected
add all of the content you need/want
and paste this script under it
<script language="JavaScript">
<!--Password Protect Webpage V1 Script Created By Lyle//-->
<!--
var username = prompt("Enter Username In the Box Below","")
var password = prompt("Enter Password In the Box Below","")
if (username !="USERNAME HERE" || password !="PASSWORD HERE")
{ top.location="about:Bad Username and/or Password" }
//-->
</script>
After
var username = prompt("Enter Username In the Box Below","")
var password = prompt("Enter Password In the Box Below","")
where the "" are enter the username and password