help action module

Called from any PIE screen, presents requested help topic or list of topics

action routine

Input: CGI data from UIG (which contains topic)
Output: Returns modified CGI data

PDL

Delete children of help page belonging to user viewitem table
If topic defined
    Get information about topic from help table
    If topic defined in help table
    	Set help title
    	Set text parameter
    Else
    	(Assume want information about resource in resource database)
	Get information about resource from item,viewitem tables
	If resource information defined
	    Set help title
	    Call getrdbhelp routine to get information from resource database
	    (returns list of help urls and help texts)
	    If helpurl list nonempty
	    	Set initial help text
		Foreach helpurl
		    Add link to this url with appropriate title to help text
		Set final help text
    	If help defined
	    Set help title
	    Set text parameter
	Else
	    Call onerror routine
Else
    Get list of help topics from help table excluding those where orderby=0 (to
    exclude feedback form from list)
    Set initial topichtml
    Foreach topic
    	Append link to display topic to topichtml
    Set final topichtml
    Set text parameter to topichtml
Create helpitem child of help page in viewitem table
Set response parameter to "help" to force return of help page
Return