if lb_change_processing then
	// The Text will be below the footer
	lc_fieldy = il_footer_height +  4 
	
	// The beginning of modification string
	ls_begin_modify = "create compute(band=footer"
else
	// The Text will be in the end of page
	lc_fieldy = lc_printareaheight -  108 
	
	// The beginning of modification string
	ls_begin_modify = "create compute(band=foreground"
end if

// create footer field
for li_pageitem =  1  to li_pagecountaccross
	// create datetime field 
	ls_modstring = ls_begin_modify + ' alignment="0" expression=~"~'' + is_footername +&
					'~'~" border="0" color="33554432" x="'+ string(lc_printareawidth * (li_pageitem -  1 ) +  50 ) + '" y="' + string(lc_fieldy) + '" height="104" width="2290" format="[GENERAL]" html.valueishtml="0"  name=userdate_' + &
					+ string(li_pageitem) + ' visible="1"  font.face="Tahoma" font.height="-8" font.weight="400"  font.family="2" font.pitch="2" font.charset="204" background.mode="1" background.color="1073741824" )'
	// create page number field
	ls_modstring = ls_modstring + " " + &
					ls_begin_modify + ' alignment="1" expression="~'Page ~' + string( pageCountAcross() * (page() -1) + pageAcross()  ) + ~' of ~' + string(pageCountAcross() * pageCount() )"' +&
					' border="0" color="33554432" x="'+ string( lc_printareawidth * li_pageitem  -  650  ) + '" y="' + string(lc_fieldy) + '" height="52" width="600" format="[GENERAL]" html.valueishtml="0"  name=pagefrompages_' + &
					 + string(li_pageitem) + ' visible="1"  font.face="Tahoma" font.height="-8" font.weight="400"  font.family="2" font.pitch="2" font.charset="204" background.mode="1" background.color="1073741824" )'
	ls_error = dw_preview.Modify(ls_modstring)
next

ii_pagecountaccross = li_pagecountaccross

integer	li_pageitem
string		ls_modstring
string		ls_error

// destroy footer fields
for li_pageitem =  1  to ii_pagecountaccross
	// Datetime field
	ls_modstring = ""
	ls_modstring = ls_modstring + " " + "destroy userdate_" + String(li_pageitem) 

	// Page number field
	ls_modstring = ls_modstring + " " + "destroy  pagefrompages_" + String(li_pageitem)
	ls_error = dw_preview.Modify(ls_modstring)
next

ls_error = dw_preview.Modify(ls_modstring)