Pagination w/o mysql

[duny]

I am having trouble with my next and prev links can some one lend me a hand.

<?                                  

//top of the file display. doesn;t really have to be echod.. heh. whatever                                   

echo "<td valign=\"top\"><br><table border=\"1\">";                                     

//this sets which directory to open.                                       

$today = date("Ymd");                                        

if ($handle = @opendir($contentdir)) {                                        

//while their is content in the dir.                                         

while ($file = readdir($handle))                                        

{                                        

        //sets the file types that can be displayed                                        

        if ($file != "." && $file != ".." && preg_match(getMediaRegex(),$file) && (date("Ymd", filemtime($file)) == $today))                                        

        $retVal[count($retVal)] = $file;                                        

}                                        

//Clean up and sort                                        

closedir($handle);                                        

//if no files are available tell the user                                      

if (count ($retVal)==0){                                      

echo $fileMissingError;                                      

}else {                                      

//sorts the files in soem order ;)                                      

sort($retVal);                                      

// set the number of files in dir                                      

$numitems = count($retVal);                                      

//sets number of items in each row                                      

$numinrow = round($numitems/$numrows);                                      

//set up content dir                                      

$sPath = $contentdir;                                      

//$DEBUG=1; //debug info....                                        

if ($DEBUG){                                                               

}          

// this is getting ready for a paginated display                                                                         

if ($beg =="")$beg=0;                                      

if ($end =="")$end=$numitems;                                      

for ($y=$beg;$y<=$end;$y++){                                      

$filelistdata[$y]=$retVal[$y];                                      

}                  //startsparsing through the file list                                      

$x=0;                                      

while (list($key, $val) = each($filelistdata))                                      

{                                      

        // checks if it is a kosher file types                                      

if ($val != "." && $val != ".." && preg_match(getMediaRegex(),$val))                                      

{                                      

$x++;                                      

//make the path                                       

$path = str_replace("//","/",$sPath.$val);                                      

//set up the path the user sees                                      

$disppath = preg_replace(getMediaRegex(),"",$val);                                      

$disppath = str_replace(".","",$disppath);                                      

//gets the file size                                      

$size = filesize($sPath.$val);                                        

//make it readable                                      

$size = round($size/1024);                                      

//change _ int space                                      

$self = str_replace("index.php","",$PHP_SELF); 
//$disppath = str_replace("-","&nbsp;",$disppath);                               

//truncate the display path to a set size                                      

$disppath2 =  truncate($disppath,$truncsize); 
$getf = get_file_ext($path);                                     

//set every other row a different color                                      

if (($x%2)==0)$color="#FFFFFF"; else $color="#F6F6F6";                                      

//more debug info                                      

if ($DEBUG) $debugcount="#$x:&nbsp;";                                      

//out put the table section that has all the file info. Include a preview part                                      

//and a display part. also include the link 
if (($getf == "jpg") || ($getf == "png") || ($getf == "jpe") || ($getf == "jpeg")){         

echo"This is where the files will be displayed"; 
} 
//make columns                   

if ((($x%$numinrow)==0)&&($x <$numitems))                  

echo "</table></td><td valign=\"top\"><br><table border=\"1\">"; 
}                  

}    

} 
echo "</table>";    

echo"This is where the i need the help. To echo the next and prev links."; 
?> 

I have to display $array_item[$x] - $array_item [$y] and then have the next page be something like <a href="page.php?listitem=2">next set</a>
but i can't get it down