// Javascript function that work with date and time
// .
// Writen by Mike Cummings
// .
// $Id: time_functions.js 17 2004-05-21 23:18:53Z dragon $
// To use these functions in your webpages you must include the following in
// your page section.
// For example:
//
//
// ...
//
//
// ...
//
var DayName = new Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"); //Day Names array
var MonthName = new Array("January","Febuary","March","April","May","June","July","August","September","October","November","December"); //Month Names array
// This function returns the local time of the viewer.
// The output is used to show the current local time on webpage.
function ShowLocalTime(secs) {
var theDate = new Date();
var hour = theDate.getHours(); //hour
var ampm = "" + ((hour > 11) ? "pm" :"am"); //set am/pm
hour == 0 ? hour = 12 : hour; //change 0 to midnight
hour > 12 ? hour -=12 : hour; //24 to 12 hour
var minute = theDate.getMinutes(); //minutes
var second = theDate.getSeconds(); //seconds
var temp = "" + ((hour < 10) ? " " : "") + hour; //build return hours
temp += ((minute < 10) ? ":0" : ":") + minute; //minutes
if (secs) { //only if not static
temp += ((second < 10) ? ":0" : ":") + second; //seconds
}
temp += " " + ampm; //am or pm
return temp; //Return time and date
}
// This function returns the UTC time of the viewer.
// The output is used to show the current UTC time on webpage.
function ShowZuluTime(secs) {
var theDate = new Date();
var hour = theDate.getUTCHours(); //hour
var ampm = "" + ((hour > 11) ? "pm" :"am"); //set am/pm
hour == 0 ? hour = 12 : hour; //change 0 to midnight
hour > 12 ? hour -=12 : hour; //24 to 12 hour
var minute = theDate.getUTCMinutes(); //minutes
var second = theDate.getUTCSeconds(); //seconds
var temp = "" + ((hour < 10) ? " " : "") + hour; //build return hours
temp += ((minute < 10) ? ":0" : ":") + minute; //minutes
if (secs) { //only if true
temp += ((second < 10) ? ":0" : ":") + second; //seconds
}
temp += " " + ampm; //am or pm
return temp; //Return time and date
}
// This function returns the time of the irlp node.
// The output is used to show the current node time on webpage.
function ShowNodeTime(secs) {
var nodetz = -7; // Node tz offset
var ds = 0; // daylight savings time
var theDate = new Date();
var day = theDate.getUTCDate();
var dayOfWeek= theDate.getUTCDay(); //which day of the week
var month = theDate.getUTCMonth();
var hour = theDate.getUTCHours() + nodetz; //hour
if ((month > 3) && (month < 9)) { ds = 1;} //US daylight saving time rules
if ((month == 3) && (((day - 24) > dayOfWeek) || (((day - 24) == dayOfWeek) && (hour > 1)))) { ds = 1; }
if ((month == 9) && (((day - 25) < dayOfWeek) || (((day - 25) == dayOfWeek) && (hour < 2)))) { ds = 1; }
hour = hour + ds;
if (hour > 23) {
day += 1;
dayOfWeek += 1;
hour -= 24;
}
if (hour < 0) {
day -= 1;
dayOfWeek -= 1;
hour += 24;
}
var ampm = "" + ((hour > 11) ? "pm" :"am"); //set am/pm
hour == 0 ? hour = 12 : hour; //change 0 to midnight
hour > 12 ? hour -=12 : hour; //24 to 12 hour
var minute = theDate.getUTCMinutes(); //minutes
var second = theDate.getUTCSeconds(); //seconds
var temp = ((hour < 10) ? " " : "") + hour; //build return hours
temp += ((minute < 10) ? ":0" : ":") + minute; //minutes
if (secs) { //only if ask
temp += ((second < 10) ? ":0" : ":") + second; //seconds
}
temp += " " + ampm; //am or pm
return temp; //Return time and date
}
// This function decides which time to display in the mouse following
// time area.
function ShowFMTime(secs) {
switch (followMe) {
case 'lTime': temp = ShowLocalTime(secs);
break;
case 'nTime': temp = ShowNodeTime(secs);
break;
case 'zTime': temp = ShowZuluTime(secs);
break;
default: temp = ' ';
}
return temp;
}
// This function returns the time and date in local time.
// The output is used to show the current time and date on webpage.
function ShowLocalTD(secs) {
var theDate = new Date();
var day = theDate.getDate();
var dSuf = "th"; //day suffix
if (day == 1 || day == 21 || day == 31) dSuf="st"; //change suffix for 1s
if (day == 2 || day == 22) dSuf = "nd"; //change suffix for 2s
if (day == 3 || day == 23) dSuf = "rd"; //change suffix for 3s
var hour = theDate.getHours(); //hour
var ampm = "" + ((hour >= 12) ? "pm" :"am"); //set am/pm
hour == 0 ? hour = 12 : hour; //change 0 to midnight
hour > 12 ? hour -=12 : hour; //24 to 12 hour
var minute = theDate.getMinutes(); //minutes
var second = theDate.getSeconds(); //seconds
var temp = ((hour < 10) ? " " : "") + hour; //build return hours
temp += ((minute < 10) ? ":0" : ":") + minute; //minutes
if (secs) { //only if ask
temp += ((second < 10) ? ":0" : ":") + second; //seconds
}
temp += " " + ampm; //am or pm
temp += " - " + DayName[theDate.getDay()]; //name of the day
temp += ", " + MonthName[theDate.getMonth()]; //name of the month
temp += " " + day + "" + dSuf + ""; //day with suffix
temp += ", " + theDate.getFullYear(); //and finally the year
return temp; //Return time and date
}
// This function returns the time and date in UTC.
// The output is used to show the current UTC (zulu) time and date on webpage.
//
function ShowZuluTD(secs) {
var theDate = new Date();
var day = theDate.getUTCDate();
var dSuf = "th"; //day suffix
if (day == 1 || day == 21 || day == 31) dSuf="st"; //change suffix for 1s
if (day == 2 || day == 22) dSuf = "nd"; //change suffix for 2s
if (day == 3 || day == 23) dSuf = "rd"; //change suffix for 3s
var hour = theDate.getUTCHours(); //hour
var ampm = "" + ((hour >= 12) ? "pm" :"am"); //set am/pm
hour == 0 ? hour = 12 : hour; //change 0 to midnight
hour > 12 ? hour -=12 : hour; //24 to 12 hour
var minute = theDate.getUTCMinutes(); //minutes
var second = theDate.getSeconds(); //seconds
var temp = ((hour < 10) ? " " : "") + hour; //build return hours
temp += ((minute < 10) ? ":0" : ":") + minute; //minutes
if (secs) { //only if ask
temp += ((second < 10) ? ":0" : ":") + second; //seconds
}
temp += " " + ampm; //am or pm
temp += " - " + DayName[theDate.getUTCDay()]; //name of the day
temp += ", " + MonthName[theDate.getUTCMonth()]; //name of the month
temp += " " + day + "" + dSuf + ""; //day with suffix
temp += ", " + theDate.getUTCFullYear(); //and finally the year
return temp; //Return time and date
}
// This function returns the time and date the webpage was last modified.
// The output is used to show when the page was last updated.
// For example:
// This page was last updated
//
// by Mike Cummings
//
// ...
function ShowUpdateTD(secs) {
var theDate = new Date(Date.parse(document.lastModified)); //last modified date
var day = theDate.getDate(); //day of the month
var dSuf = "th"; //day suffix
if (day == 1 || day == 21 || day == 31) dSuf="st"; //change suffix for 1s
if (day == 2 || day == 22) dSuf = "nd"; //change suffix for 2s
if (day == 3 || day == 23) dSuf = "rd"; //change suffix for 3s
var hour = theDate.getHours(); //hour
var ampm = "" + ((hour >= 12) ? "pm" :"am"); //set am/pm
hour == 0 ? hour = 12 : hour; //change 0 to midnight
hour > 12 ? hour -=12 : hour; //24 to 12 hour
var minute = theDate.getMinutes(); //minutes
var second = theDate.getSeconds(); //seconds
var temp = ((hour < 10) ? " " : "") + hour; //build return hours
if (secs) { //only if ask
temp += ((second < 10) ? ":0" : ":") + second; //seconds
}
temp += ((minute < 10) ? ":0" : ":") + minute; //minutes
temp += " " + ampm; //am or pm
temp += " - " + DayName[theDate.getDay()]; //name of the day
temp += ", " + MonthName[theDate.getMonth()]; //name of the month
temp += " " + day + "" + dSuf + ""; //day with suffix
temp += ", " + theDate.getFullYear(); //and finally the year
return temp; //Return time and date
}