/*
 * Copyright (c) 2010. M.I.T. All Rights Reserved
 * Licensed under the MIT license. Please see http://www.opensource.org/licenses/mit-license.php
 * or the license.txt file included in this distribution for the full text of the license.
 */

function Set_Cookie( name, value, expires, path, domain, secure )
{
    // set time, it's in milliseconds
    var today = new Date();
    today.setTime( today.getTime() );
    /*
      if the expires variable is set, make the correct
      expires time, the current script below will set
      it for x number of days, to make it for hours,
      delete * 24, for minutes, delete * 60 * 24
      */
     var expires_date = new Date();
    if (typeof expires=="number" ) {
        expires = expires * 1000 * 60 * 60 * 24;
         expires_date = new Date( today.getTime() + expires);
         alert("Setting expry date to "+expires_date);
    } else {
         alert(typeof expires);
         alert("Setting expiry date to "+expires);
         expires_date = expires;
    }
    
    document.cookie = name + "=" + escape( value ) + ( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + ( ( path ) ? ";path=" + path : "" ) + ( ( domain ) ? ";domain=" + domain : "" ) + ( ( secure ) ? ";secure" : "" );
}


function Get_Cookie( check_name ) 
{
    // first we'll split this cookie up into name/value pairs
    // note: document.cookie only returns name=value, not the other components
    var a_all_cookies = document.cookie.split( ';' );
    var a_temp_cookie = '';
    var cookie_name = '';
    var cookie_value = '';
    var b_cookie_found = false;
    // set boolean t/f default f
    for ( i = 0; i < a_all_cookies.length; i++ ) 
    {
        // now we'll split apart each name=value pair
        a_temp_cookie = a_all_cookies[i].split( '=' );
        // and trim left/right whitespace while we're at it
        cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');
        // if the extracted name matches passed check_name
        if ( cookie_name == check_name ) 
        {
            b_cookie_found = true;
            // we need to handle case where cookie has no value but exists (no = sign, that is):
            if ( a_temp_cookie.length > 1 ) {
                cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
            }
            // note that in cases where cookie is initialized but no value, null is returned
            return cookie_value;
            break;
        }
        a_temp_cookie = null;
        cookie_name = '';
    }
    if ( !b_cookie_found ) {
        return null;
    }
}

function Delete_Cookie( name, path, domain ) 
{
    if ( Get_Cookie( name ) )
    {
         alert("in delete cookie");
        var d = new Date(0);
        document.cookie = name + "=" + ( ( path ) ? ";path=" + path : "") + ( ( domain ) ? ";domain=" + domain : "" ) + ";expires="+d.toGMTString();
    }
}


LOCKED_LOGIN_NAME = "locked_login_username";
LOCKED_LOGIN_PASSWORD = "locked_login_password";