// bmt-time.js -- Javascript to // // .$id$ // .$Copyright: (C) 1996-2002 $ // .$Created: 1996-11 $ // .$Keywords: javascript, html, time $ // // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License as // published by the Free Software Foundation; either version 2 of // the License, or (at your option) any later version. // // This program is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // General Public License for more details. // // You should have received a copy of the GNU General Public License along // with this program; if not, write to the Free Software Foundation, // Inc., 675 Mass Ave, Cambridge, MA 02139, USA. // // http://www.gnu.org/copyleft/gpl.html // // To install this file, put this code to HTML file // // // // // // // ... // // /////////////////////////////////////////////////////////////////////// // DESCRIPTION // // Take UTC time, and do the following: [(Hours + 1 {Make sure // that the # is not more than 23} *3600*1000) + // (Minutes *60*1000) + (Seconds * 1000)] / 86400 // // INPUT PARAMETERS // // None // // RETURN VALUES // // float /////////////////////////////////////////////////////////////////////// function SwatchBeats() { // calculate Middle European Time, i.e. UTC + 1 var bmt = new Date(); bmt.setTime( bmt.getTime() + (bmt.getTimezoneOffset() + 60) * 60 * 1000 ); var beat = ( bmt.getHours() * 3600 + bmt.getMinutes() * 60 + bmt.getSeconds() ) / 86.4; return beat; } /////////////////////////////////////////////////////////////////////// // DESCRIPTION // // Convert floating point number to N number of decimels. // // INPUT PARAMETERS // // float // // RETURN VALUES // // string /////////////////////////////////////////////////////////////////////// function CutDecimals(n, count) { var str = n.toString(); var pos = str.indexOf("."); if ( pos > 0 ) { if ( count < 1 ) { str = str.substr(0, pos -1 ) } else { str = str.substr(0, pos + count + 1); } } return str; } /////////////////////////////////////////////////////////////////////// // DESCRIPTION // // Return Swatch Biel Mean Time (BMT), World tme, Internet time // with two decimal accuracy. "@NNN.NN" // // INPUT PARAMETERS // // none // // RETURN VALUES // // string /////////////////////////////////////////////////////////////////////// function BMTtime() { // "Biel Mean Time" - Swatch headquarter in Switzerland var beat = SwatchBeats(); beat = "@" + CutDecimals( beat, 2); return beat; } /////////////////////////////////////////////////////////////////////// // DESCRIPTION // // Display the BMT to the target source // // INPUT PARAMETERS // // 0 Show the BMT time in the status bar // 1 Write the BMT to the current position: SCRIPT /SCRIPT // // RETURN VALUES // // string /////////////////////////////////////////////////////////////////////// function BMTtimeDisplay(out) { var time = BMTtime(); if ( out < 1 ) { var str = "CONCORDVERLAG Gerhard Möser · Internet-Time is now " + time; defaultStatus = str; // Print to the status bar setTimeout("BMTtimeDisplay(0)", 10); // Repeat ourself } else { document.write( time ); } } // End of file