JS Random Password Gen With Hashing/Encoding V2 SRC

<center>
Password:<br>
<input type="text" name="password" id="password"><p>
Encoded Hash:<br>
<input type="text" name="password" id="password1"><p>
Strong<input type="checkbox" id="s1" name="s1" onclick="javascript:m1.checked=false;
w1.checked=false;"/>
Medium<input type="checkbox" id="m1" name="m1" onclick="javascript:s1.checked=false;
w1.checked=false;"/>
Weak<input type="checkbox" id="w1" name="w1" onclick="javascript:m1.checked=false;
s1.checked=false;"/><p>
<button onclick="javascript:
if(s1.checked==true){
GenStrongPass();
}
if(m1.checked==true){
GenMedPass();
}
if(w1.checked==true){
GenWeakPass();
}
">Generate Password</button><br>
<br>
<button onclick="javascript:
password.value=''
w1.checked=false;
m1.checked=false;
s1.checked=false;
">Clear Current Password</button>

<script>
function GenWeakPass()
{
var text = "";
var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.,/\?";
for( var i=0; i < 8; i++ )
text += possible.charAt(Math.floor(Math.random() * possible.length));
var hash1=atob(text);
password.value=(text);
password1.value=(hash1);
}
function GenMedPass()
{
var text = "";
var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.,/\?";

for( var i=0; i < 12; i++ )
text += possible.charAt(Math.floor(Math.random() * possible.length));
var hash2=atob(text);
password.value=(text);
password1.value=(hash2);
}
function GenStrongPass()
{
var text = "";
var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.,/\?";

for( var i=0; i < 18; i++ )
text += possible.charAt(Math.floor(Math.random() * possible.length));
var hash3=atob(text);
password.value=(text);
password1.value=(hash3);
}
</script>
</center>