added help files for most options of the module. Updated and clarified

the main module description help file.

lang/en/help/attendance/autoattend.html

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+<p align="center"><b>Automatic Attendance Logging</b></p>
+
+<p>When this option is turned on, the attendance instance will be populated automatically based on the activity of each user on the day specified by the date.  </p>
+
+<p>The automatic attendance logging facility counts a participant as present if they log into the course and perform any activities whatsoever on the specified date.</p>
+
+<p>The moodle cron facility must be configured in order for this feature to work.</p>
+

lang/en/help/attendance/choosedays.html

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+<p align="center"><b>Days of Each Week to Take Attendance.</b></p>
+
+<p>When adding multiple attendance rolls, one attendance roll will be created for each weekday checked in this list.  For example, if you want to take attendance every Tuesday and Thursday, only check the Tue. and Thu. boxes and leave the rest unchecked.</p>
+
+

lang/en/help/attendance/dynsection.html

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+<p align="center"><b>Determine Section for Attendance Based on This Date.</b></p>
+
+<p>Automatically move this instance to the section that corresponds to its date.  If you choose this option the instance will move itself to the appropriate week after you save the changes.</p>
+
+<p>This option only applies to courses with a weekly format.</p>
+

lang/en/help/attendance/grade.html

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+<p align="center"><b>Grading a roll.</b></p>
+
+<p>This feature allows a roll to be graded on a linear scale.  The percentage of the total number of hours in a course a student is present for is added as a grade in the gradebook.  Tardies are included in this calculation as well, and are graded based on the "number of tardies per absence" configuration for the module.</p>
+
+<p>This feature does not work very well when automatic attendance is turned on because there is currently no way for a student to be partially present in a course on a given day.  A student is 100% present or 100% absent in terms of automatic attendance logging.</p>
+

lang/en/help/attendance/hours.html

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+<p align="center"><b>Number of Hours in a Class Period</b></p>
+
+<p>Sets how many hours this class period will have.  Attendance is logged individually for each hour of class.  There is no way to specify partial hours.</p>
+
+<p>This option doesn't really have a lot of bearing on automatic attendance logging.</p>
+

lang/en/help/attendance/maxgrade.html

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+<p align="center"><b>Maximum Grade Value for Attendance</b></p>
+
+<p>This value determines what the maximum number grade is for full attendance in a course.  This value is pro-rated on a linear scale for partial attendance.  A grade of zero is logged for full absence.</p>
+
+

lang/en/help/attendance/mods.html

@@ -1,7 +1,5 @@
-<P><IMG VALIGN=absmiddle SRC="<?php echo $CFG->wwwroot?>/mod/attendance/icon.gif">&nbsp;<B>Attendance</B></P>
-<UL>
-<P>This module allows you to record the attendance of the each participant
-   for a particular event.
-</P>
-</UL>
+<p><img valign="absmiddle" src="<?php echo $CFG->wwwroot?>/mod/attendance/icon.gif">&nbsp;<b>Attendance</b></p>
+<ul>
+<p>This module allows you to record the attendance of each participant in an on-site or on-line class session.  Attendance can be logged manually by any teacher in the course, or automatically based on participant activity within the twenty-four hour period of the attendance date.</p>
+</ul>