Webmaster Forum / HTML, CSS, Scripts / JavaScript / September 2005

Below is an old count-up script that displays ok in MSIE with a bit of
experimenting, but NS shows negative values that make no sense. Anyone
know how to make it work ok in both?

=== Cut ===
<script language=JavaScript>
/*
       Date Count-up 1.0
       (C) Copyright 1996  Ben Harold
       All rights Reserved
       Feel free to use this script in your page under the folling
conditions :
               1. Do not modify this script in any way (besides
following the
                  configuration directions) without my consent
               2. Mail me at bharold@indyunix.iupui.edu if you use it
               3. I am not held responsible for any thing that this
script may
                  do to your computer
*/

// Configuration Directions
// Don't change this
// This makes a date variable that is used to get the current date

today = new Date()

// Don't change these

// These get the current year, month, and date

       var thisyear = today.getYear()
       var thismonth = today.getMonth()
       var thisdate = today.getDate()

// Change these
// These set the year, month, and date to count from
// NOTICE : var thatmonth should be a number between 0 and 11, not 1
and 12

       var thatyear = 1995
       var thatmonth = 10
       var thatdate = 15

// Change this
// This is what the browser will display just before the years, months,
and dates
// NOTICE : make sure that there is a space after the last word of var
prestring

       var prestring = " "

// Don't change these
// These set variables used by other parts of the script

       var fromyears = (thisyear - thatyear)
       var datenumber = (thisdate + thatdate)

// Don' change this
// This figures out how many days there are in the current month

               if (thismonth == 0)
                       monthdates = (31)
               else if (thismonth == 1)
                       monthdates = (28)
               else if (thismonth == 2)
                       monthdates = (31)
               else if (thismonth == 3)
                       monthdates = (30)
               else if (thismonth == 4)
                       monthdates = (31)
               else if (thismonth == 5)
                       monthdates = (30)
               else if (thismonth == 6)
                       monthdates = (31)
               else if (thismonth == 7)
                       monthdates = (31)
               else if (thismonth == 8)
                       monthdates = (30)
               else if (thismonth == 9)
                       monthdates = (31)
               else if (thismonth == 10)
                       monthdates = (30)
               else if (thismonth == 11)
                       monthdates = (31)

// Don't change this
// This figures out how many years it has been since thatyear

               if (fromyears == 0)
                       yearssince = (prestring)

               else if (fromyears == 1)
                       yearssince = (prestring + " year")

               else yearssince = (prestring + fromyears + " years")

// Don't change this
// This figures out how many dates it has been since thatdate

               if (thisdate > thatdate)
                       predatessince = (thisdate - thatdate)
               else predatessince = (thisdate + monthdates - thatdate)
                       if (predatessince == 0)
                               datessince = ("no days.")
                       else if (predatessince == 1)
                               datessince = ("1 day.")
                       else datessince = (predatessince + " days.")

// Don't change this
// This figures out how many months it has been since thatmonth

               if (thisyear > thatyear) {
                       if (thismonth >= thatmonth)
                               premonthssince = (thismonth -
thatmonth)
                       else premonthssince = (12 + thismonth -
thatmonth)
}

               else premonthssince = (thismonth - thatmonth)

               if (monthdates < datenumber)
                       premonthssincetwo = (premonthssince + 1)
               else premonthssincetwo = (premonthssince)
                               if (premonthssincetwo == 0)
                                       monthssince = (" ")
                               else if (premonthssincetwo == 1)
                                       monthssince = ("1 month")
                            else monthssince = (premonthssincetwo +
"months")

// Don't change these
// These figure out what type of punctuation to use in the final
message

               if (yearssince == prestring)
                       commaone = (" ")
               else {
                       if (monthssince == " ")
                               (commaone = " and ")
                       else commaone = (", ")
}

               if (commaone == " and ")
                       commatwo = (" ")
               else if (commaone == ", ")
                       commatwo = (" and ")
               else if (yearssince == prestring) {
                                       if (monthssince == " ")
                                               (commatwo = " ")
                                       else commatwo = (" and ")
}

// Don't change this
// This assembles the final message

var finalstring = ""
       finalstring += (yearssince)
       finalstring += (commaone)
       finalstring += (monthssince)
       finalstring += (commatwo)
       finalstring += (datessince)

// Don't change this
// This prints the final message to the browser screen

document.write(finalstring)
</script>
=== Cut ===

Kari Suomela

  KARICO Business Services
  Toronto, ON Canada
  http://www.karico.ca

... Never straighten a good waistline.