Line 34 you have:
$searchRecordset1_1->setSearch(array("type"=>"Key", "comparison"=>"=", "join"=>"AND", "and"=>", ", "or"=>" ", "start_encap"=>"\"", "end_encap"=>"\""), array("item_no_short", "item_no_short_2", "item_no_short_3", "item_no_short_4", "item_no_short_5", "name", "application", "application2", "application3", "application4", "application5", "application6", "info1", "info2", "info3", "info4", "info5", "info6", "contents", "contents2", "contents3", "contents4", "contents5", "contents6"), "s", "");
You should have:
$searchRecordset1_1->setSearch(array("type"=>"Key", "comparison"=>"=", "join"=>"AND", "and"=>", ", "or"=>" ", "start_encap"=>"\"", "end_encap"=>"\""), array("item_no_short", "item_no_short_2", "item_no_short_3", "item_no_short_4", "item_no_short_5", "name", "application", "application2", "application3", "application4", "application5", "application6", "info1", "info2", "info3", "info4", "info5", "info6", "contents", "contents2", "contents3", "contents4", "contents5", "contents6"), "s", "".($_POST["search"]) ."");