PHP DC++ Client Code

function search() {
    var filename = document.getElementById('search_filename');
    filename = filename.value;
    var filetype = document.getElementById('search_filetype');
    filetype = filetype.value;
    
    new Ajax.Request('dcajax.php', {method: 'post', parameters: "a=search&filename=" + filename + "&filetype=" + filetype, onSuccess:get_state_success});
}