How pick a username from a dynamic list, enter password and pass username as a parame

[llastein]

Want to pass username selected from a dynamic list, after entering password. That is opening a page with the parameter username.,
Have a script to pick the right username but want to enter password before opening the page loyniord:,

<script type="text/javascript">
function getID(f)   {   var ID; 
			 ID = f.bla.options[f.bla.selectedIndex].value; location.replace( 'loyniord.php?heiti='+ ID );}
</script>

[acoder]

You could prompt for the password and make a quick check on the server-side (using Ajax). If the password is correct for the user, then open the page with the username parameter.