Hi , am displaying A to Z, in the verticle, i have another block , when the user click the a or b or c, i want to pass these query string as argument for the function , but when i click the a, it goes to pagenot found, why ? i nothing we to do some stuff in the node or somewhere , Can u guess and tell me , what i have to do now,, This is my block <?php function alphabeticalsearch_block($op = 'list', $delta = 0, $edit = array()){ if($op == "list") { $block = array(); $block[0]["info"] = t('Alphabetical Search'); return $block; } elseif($op == 'view'){ for($i=65;$i<=90;$i++){ if($i==90){ $show_pipe_line = ''; }else{ $show_pipe_line = '|'; } $alphabet_link_as = chr($i).$show_pipe_line; $abc= strtolower(chr($i)); $show_alphabet .= "<a href='node/$abc'>".$alphabet_link_as."</a>"; } $block['subject'] = 'Click to send request'; $block['content'] = $show_alphabet; return $block; } } Am show the A to Z , When user hit the a , Then i want to show all article which start from a character, so i want to pass this a as argument for my another article title showing function, Thanks