object &Sliding ( 
     array $options
    )
Pager_Sliding constructor takes an associative array of parameters as input values. This is the complete list of these options:
itemData [array]
Array of items to page.
totalItems [integer]
       Number of items to page (used only if itemData
       is not provided).
      
perPage [integer]
Number of items to display on each page.
delta [integer]
Number of page numbers to display before and after the current one.
expanded [boolean]
if TRUE, window size is always 2*delta+1
linkClass [string]
Name of CSS class used for link styling.
urlVar [string]
Name of URL var used to indicate the page number. Default value is "pageID".
path [string]
Complete path to the page (without the page name).
fileName [string]
       name of the page, with a "%d" if append == TRUE.
      
append [boolean]
       If TRUE pageID is appended as GET value to the URL.
       If FALSE it is embedded in the URL according to
       fileName specs.
      
altPrev [string]
Alt text to display for prev page, on prev link. Default value is "previous page";
altNext [string]
Alt text to display for next page, on next link. Default value is "next page";
altPage [string]
Alt text to display before the page number. Default value is "page ".
prevImg [string]
Something to display instead of "<<". It can be text such as "<< PREV" or an <img/> as well.
nextImg [string]
Something to display instead of ">>". It can be text such as "NEXT >>" or an <img/> as well.
separator [string]
What to use to separate numbers. It can be an <img/>, a comma, an hyphen, or whatever.
spacesBeforeSeparator [integer]
Number of spaces before the separator.
spacesAfterSeparator [integer]
Number of spaces after the separator.
firstPagePre [string]
String used before first page number. It can be an <img/>, a "{", an empty string, or whatever.
firstPagePost [string]
String used after first page number. It can be an <img/>, a "}", an empty string, or whatever.
lastPagePre [string]
       Similar to firstPagePre, but used for
       last page number.
      
lastPagePost [string]
       Similar to firstPagePost, but used for
       last page number.
      
curPageLinkClassName [string]
Name of CSS class used for current page link.
lastPagePost [boolean]
if there's only one page, don't display pager (returns an empty string).
REQUIRED options are:
fileName IF
       append==FALSE
      (default is TRUE)
      
itemData OR totalItems
      (if itemData is set, totalItems is overwritten)
      
     object - a specific Pager_Sliding instance
     or a PEAR_Error object, if fails