retirar valor de js para form noutra pagina

Pessoal como faço para retirar o valor score do ficheiro js para um hidden field num form noutra pagina??

Segue o codigo:

/*
* --------------------------------------------------------------------
* Simple Password Strength Checker
* by Siddharth S, www.ssiddharth.com, hello@ssiddharth.com
* for Net Tuts, www.net.tutsplus.com
* Version: 1.0, 05.10.2009
* --------------------------------------------------------------------
*/

$(document).ready(function()
{

var strPassword;
var charPassword;
var complexity = $("#complexity");
var minPasswordLength = 6;
var baseScore = 0, score = 0;

var num = {};
num.Excess = 0;
num.Upper = 0;
num.Numbers = 0;
num.Symbols = 0;

var bonus = {};
bonus.Excess = 3;
bonus.Upper = 4;
bonus.Numbers = 5;
bonus.Symbols = 5;
bonus.Combo = 0;
bonus.FlatLower = 0;
bonus.FlatNumber = 0;

outputResult();
$("#inputPassword").bind("keyup", checkVal);

function checkVal()

{

init();

if (charPassword.length >= minPasswordLength)

{

	baseScore = 50;
	analyzeString();
	calcComplexity();
}

else
{

	baseScore = 0;
}

outputResult();
}

function init()

{

strPassword= $("#inputPassword").val();
charPassword = strPassword.split("");

num.Excess = 0;
num.Upper = 0;
num.Numbers = 0;
num.Symbols = 0;
bonus.Combo = 0;
bonus.FlatLower = 0;
bonus.FlatNumber = 0;
baseScore = 0;
score =0;
}

function analyzeString ()

{
for (i=0; i<charPassword.length;i++)
{
if (charPassword[i].match(/[A-Z]/g)) {num.Upper++;}
if (charPassword[i].match(/[0-9]/g)) {num.Numbers++;}
if (charPassword[i].match(/(.[!,@,#,$,%,^,&,,?,_,~])/)) {num.Symbols++;}
}

num.Excess = charPassword.length - minPasswordLength;

if (num.Upper && num.Numbers && num.Symbols)

{

	bonus.Combo = 25;
}

else if ((num.Upper && num.Numbers) || (num.Upper && num.Symbols) || (num.Numbers && num.Symbols))
{

	bonus.Combo = 15;
}

if (strPassword.match(/^[\sa-z]+$/))
{

	bonus.FlatLower = -15;
}

if (strPassword.match(/^[\s0-9]+$/))
{

	bonus.FlatNumber = -35;
}
}

function calcComplexity()

{

score = baseScore + (num.Excess*bonus.Excess) + (num.Upper*bonus.Upper) + (num.Numbers*bonus.Numbers) + (num.Symbols*bonus.Symbols) + bonus.Combo + bonus.FlatLower + bonus.FlatNumber;

}

function outputResult()

{
if ($("#inputPassword").val()== "")
{

	complexity.html("Password Strenght").removeClass("weak strong stronger strongest").addClass("default");
}
else if (charPassword.length < minPasswordLength)

{

	complexity.html("At least " + minPasswordLength+ " characters please!").removeClass("strong stronger strongest").addClass("weak");
}
else if (score<50)

{

	complexity.html("Weak!").removeClass("strong stronger strongest").addClass("weak");
}
else if (score>=50 && score<75)

{

	complexity.html("Average!").removeClass("stronger strongest").addClass("strong");
}
else if (score>=75 && score<100)

{

	complexity.html("Strong!").removeClass("strongest").addClass("stronger");
}
else if (score>=100)

{

	complexity.html("Secure!").addClass("strongest");
}

	$("#details").html("Base Score :<span class=\"value\">" + baseScore + "</span>"
 + "<br />Length Bonus :<span class=\"value\">" + (num.Excess*bonus.Excess) + " ["+num.Excess+"x"+bonus.Excess+"]</span> "
 + "<br />Upper case bonus :<span class=\"value\">" + (num.Upper*bonus.Upper) + " ["+num.Upper+"x"+bonus.Upper+"]</span> "
 + "<br />Number Bonus :<span class=\"value\"> " + (num.Numbers*bonus.Numbers) + " ["+num.Numbers+"x"+bonus.Numbers+"]</span>"
 + "<br />Symbol Bonus :<span class=\"value\"> " + (num.Symbols*bonus.Symbols) + " ["+num.Symbols+"x"+bonus.Symbols+"]</span>"
 + "<br />Combination Bonus :<span class=\"value\"> " + bonus.Combo + "</span>"
 + "<br />Lower case only penalty :<span class=\"value\"> " + bonus.FlatLower + "</span>"
 + "<br />Numbers only penalty :<span class=\"value\"> " + bonus.FlatNumber + "</span>"
 + "<br />Total Score:<span class=\"value\"> " + score + "</span>" );
}

}
);