32 lines
1.3 KiB
JavaScript
32 lines
1.3 KiB
JavaScript
// Copyright (C) 2009 Laurent Destailleur <eldy@users.sourceforge.net>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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// or see https://www.gnu.org/
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//
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// \file htdocs/core/js/lib_rare.js
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// \brief File that include javascript functions not frequently used (included if option use_javascript activated)
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//
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// in [-]HH:MM format...
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// won't yet work with non-even tzs
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function fetchTimezone() {
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var localclock = new Date(),
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// returns negative offset from GMT in minutes
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tzRaw = localclock.getTimezoneOffset(),
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tzHour = Math.floor(Math.abs(tzRaw) / 60),
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tzMin = Math.abs(tzRaw) % 60;
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return ((tzRaw >= 0) ? "-" : "") + ((tzHour < 10) ? "0" : "") + tzHour + ":" + ((tzMin < 10) ? "0" : "") + tzMin;
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}
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