Adobe Acrobat

Are you using AcroFroms (Acrobat) or LiveCycle Designer.

Here is an example using Acrobat. The field with the ending date of the week is "week.ending", the days of the week are named "date.0" - "date.6", "date.6" being the same date as the "week.ending". The format for the "week.ending" field is "mmmm dd, yyyy" and the format for the "date" fields is "none" since the sript will format the text to "mm/dd".

The "custom calculation script" for the "week.ending" field is:

 // process if week.end field is not emptyif (event.value != "") {// get date time object for the "week.ending" fieldvar oWeekEnd =  util.scand("mmmm dd, yyyyy", this.getField("week.ending").value);// get array of "date" fieldsvar aDate = this.getField("date").getArray();// loop through each field of the "aDate" field array and fill in each date base on element member numberfor (i = 0; i < aDate.length; i++) {aDate[i].value = util.printd("mm/dd", new Date( oWeekEnd.getYear(), oWeekEnd.getMonth(), oWeekEnd.getDate() - (aDate.length - 1 - i) ) );} // end for } else {this.resetForm(aDate);}

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Date calculated based on user date input