var version = navigator.appVersion.substring((navigator.appVersion.indexOf("Version/") + 8), navigator.appVersion.indexOf("Version/") + 13);
//if(navigator.userAgent.indexOf("MSIE")>0||(navigator.userAgent.indexOf("Safari")>0&&parseInt(version)<5)){}else{
var xmlHttp
var ausgabe;


function search(str){
  xmlHttp=GetXmlHttpObject();
  if (xmlHttp==null){
    alert ("Ihr Browser unterstützt kein AJAX. Diese Funktion ist inaktiv.")
    return;
  }
  
  var url="findbooks.php";
  url=url+"?authorquery="+str;
  //url=url+"&sid="+Math.random();
  if(typeof SID != 'undefined') url += (url.indexOf('?')>0 ? '&' : '?') + SID;

  xmlHttp.open("GET", url, true);

  xmlHttp.onreadystatechange = stateAutChanged;

  xmlHttp.send(null);
}

function GetXmlHttpObject(){
  var httpXml=null;
//  var xmlHttp=null;
  try{
    // Firefox, Opera 8.0+, Safari
    httpXml=new XMLHttpRequest();
//    xmlHttp=new XMLHttpRequest();
    //alert("new XMLHttpRequest");
  }
  catch (e){
    //Internet Explorer
    try{
      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e){
      xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
//  return xmlHttp;
  return httpXml;
}

function stateAutChanged(){ 
  if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
    eval(xmlHttp.responseText);
    if(typeof buecher != "undefined"){
      var anzahlSpalten = 4;
      ausgabe = "<h3>Ergebnisse Ihrer Suche</h3><table class=\"start\"><tr>";
      for(var j=0; j<buecher.length; j++){
      	var buch = buecher[j];
      	//Autoren ggf. kuerzen
      	//if($buch['autor'].length>50&&substr_count($buch['autor'], ',')>1){$buch['autor']=substr($buch['autor'], 0, strpos($buch['autor'], ','))." et al.";}
        //ausgabe += "<tr>";
        
        if(j%anzahlSpalten==0){
          var faktor=j;
          if(j>0){ausgabe += "</tr><tr>";}
        }
        ausgabe += "<td class=\"center\" style=\"padding-top:35px\"><p><i>"+buch['autor']+"</i></p><p class=\"titel\"><b>"+buch['titel']+"</b>";
        if(buch['utitel']>0){ausgabe += ": "+buch['utitel']}
        ausgabe += "</p></td>";
        if(((j+1)%anzahlSpalten==0&&j>0)||(j+1==buecher.length)){
          ausgabe += "</tr><tr>";
          for(var k=faktor; k<buecher.length; k++){
            buch = buecher[k];
            ausgabe += "<td class=\"center\"><a href=\"buecher.php?lfdnr="+buch['lfdnr']+"\"><img class=\"s\" src=\"images/"+buch['bild']+"\"></a></td>";
            if((k+1)%anzahlSpalten==0&&k>0){ausgabe += "</tr><tr>"; break;}
          }
          ausgabe += "</tr><tr>";
          for(var k=faktor; k<buecher.length; k++){
            ausgabe += "<td class=\"center\">";
            buch = buecher[k];
            if(buch['text']){
              var txt = buch['text'];
              //Text kuerzen
              var kurztext = txt.split(" ");
              buch['text'] = "";
              for(var y=0;y<12;y++){buch['text'] += kurztext[y]+" ";}
              ausgabe += "<cite>"+buch['text']+"<a href=\"buecher.php?lfdnr="+buch['lfdnr']+"\">... mehr</a></cite>";
            }else{
              //ausgabe += "FUCK!";
            }
            ausgabe += "</td>";
            if((k+1)%anzahlSpalten==0&&k>0){ausgabe += "</tr><tr>"; break;}
          }
        }
      }
      ausgabe += "</table>";
    }else{
      ausgabe = "Es wurden keine Bücher dieses Autoren/Herausgebers gefunden.";
    }
    ausgabe = html_entity_decode (ausgabe);
    document.getElementById("content").value=ausgabe;
    document.getElementById("results").submit();
  }
}


function html_entity_decode (string, quote_style) {
    // Convert all HTML entities to their applicable characters  
    // 
    // version: 1006.1915
    // discuss at: http://phpjs.org/functions/html_entity_decode    // +   original by: john (http://www.jd-tech.net)
    // +      input by: ger
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +    revised by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   bugfixed by: Onno Marsman    // +   improved by: marc andreu
    // +    revised by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +      input by: Ratheous
    // +   bugfixed by: Brett Zamir (http://brett-zamir.me)
    // +      input by: Nick Kolosov (http://sammy.ru)    // +   bugfixed by: Fox
    // -    depends on: get_html_translation_table
    // *     example 1: html_entity_decode('Kevin &amp; van Zonneveld');
    // *     returns 1: 'Kevin & van Zonneveld'
    // *     example 2: html_entity_decode('&amp;lt;');    // *     returns 2: '&lt;'
    var hash_map = {}, symbol = '', tmp_str = '', entity = '';
    tmp_str = string.toString();
    
    if (false === (hash_map = this.get_html_translation_table('HTML_ENTITIES', quote_style))) {        return false;
    }
 
    // fix &amp; problem
    // http://phpjs.org/functions/get_html_translation_table:416#comment_97660    delete(hash_map['&']);
    hash_map['&'] = '&amp;';
 
    for (symbol in hash_map) {
        entity = hash_map[symbol];        tmp_str = tmp_str.split(entity).join(symbol);
    }
    tmp_str = tmp_str.split('&#039;').join("'");
    
    return tmp_str;
}
function get_html_translation_table (table, quote_style) {
    // Returns the internal translation table used by htmlspecialchars and htmlentities  
    // 
    // version: 1006.1915
    // discuss at: http://phpjs.org/functions/get_html_translation_table    // +   original by: Philip Peterson
    // +    revised by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   bugfixed by: noname
    // +   bugfixed by: Alex
    // +   bugfixed by: Marco    // +   bugfixed by: madipta
    // +   improved by: KELAN
    // +   improved by: Brett Zamir (http://brett-zamir.me)
    // +   bugfixed by: Brett Zamir (http://brett-zamir.me)
    // +      input by: Frank Forte    // +   bugfixed by: T.Wild
    // +      input by: Ratheous
    // %          note: It has been decided that we're not going to add global
    // %          note: dependencies to php.js, meaning the constants are not
    // %          note: real constants, but strings instead. Integers are also supported if someone    // %          note: chooses to create the constants themselves.
    // *     example 1: get_html_translation_table('HTML_SPECIALCHARS');
    // *     returns 1: {'"': '&quot;', '&': '&amp;', '<': '&lt;', '>': '&gt;'}
    
    var entities = {}, hash_map = {}, decimal = 0, symbol = '';    var constMappingTable = {}, constMappingQuoteStyle = {};
    var useTable = {}, useQuoteStyle = {};
    
    // Translate arguments
    constMappingTable[0]      = 'HTML_SPECIALCHARS';    constMappingTable[1]      = 'HTML_ENTITIES';
    constMappingQuoteStyle[0] = 'ENT_NOQUOTES';
    constMappingQuoteStyle[2] = 'ENT_COMPAT';
    constMappingQuoteStyle[3] = 'ENT_QUOTES';
     useTable       = !isNaN(table) ? constMappingTable[table] : table ? table.toUpperCase() : 'HTML_SPECIALCHARS';
    useQuoteStyle = !isNaN(quote_style) ? constMappingQuoteStyle[quote_style] : quote_style ? quote_style.toUpperCase() : 'ENT_COMPAT';
 
    if (useTable !== 'HTML_SPECIALCHARS' && useTable !== 'HTML_ENTITIES') {
        throw new Error("Table: "+useTable+' not supported');        // return false;
    }
 
    entities['38'] = '&amp;';
    if (useTable === 'HTML_ENTITIES') {        entities['160'] = '&nbsp;';
        entities['161'] = '&iexcl;';
        entities['162'] = '&cent;';
        entities['163'] = '&pound;';
        entities['164'] = '&curren;';        entities['165'] = '&yen;';
        entities['166'] = '&brvbar;';
        entities['167'] = '&sect;';
        entities['168'] = '&uml;';
        entities['169'] = '&copy;';        entities['170'] = '&ordf;';
        entities['171'] = '&laquo;';
        entities['172'] = '&not;';
        entities['173'] = '&shy;';
        entities['174'] = '&reg;';        entities['175'] = '&macr;';
        entities['176'] = '&deg;';
        entities['177'] = '&plusmn;';
        entities['178'] = '&sup2;';
        entities['179'] = '&sup3;';        entities['180'] = '&acute;';
        entities['181'] = '&micro;';
        entities['182'] = '&para;';
        entities['183'] = '&middot;';
        entities['184'] = '&cedil;';        entities['185'] = '&sup1;';
        entities['186'] = '&ordm;';
        entities['187'] = '&raquo;';
        entities['188'] = '&frac14;';
        entities['189'] = '&frac12;';        entities['190'] = '&frac34;';
        entities['191'] = '&iquest;';
        entities['192'] = '&Agrave;';
        entities['193'] = '&Aacute;';
        entities['194'] = '&Acirc;';        entities['195'] = '&Atilde;';
        entities['196'] = '&Auml;';
        entities['197'] = '&Aring;';
        entities['198'] = '&AElig;';
        entities['199'] = '&Ccedil;';        entities['200'] = '&Egrave;';
        entities['201'] = '&Eacute;';
        entities['202'] = '&Ecirc;';
        entities['203'] = '&Euml;';
        entities['204'] = '&Igrave;';        entities['205'] = '&Iacute;';
        entities['206'] = '&Icirc;';
        entities['207'] = '&Iuml;';
        entities['208'] = '&ETH;';
        entities['209'] = '&Ntilde;';        entities['210'] = '&Ograve;';
        entities['211'] = '&Oacute;';
        entities['212'] = '&Ocirc;';
        entities['213'] = '&Otilde;';
        entities['214'] = '&Ouml;';        entities['215'] = '&times;';
        entities['216'] = '&Oslash;';
        entities['217'] = '&Ugrave;';
        entities['218'] = '&Uacute;';
        entities['219'] = '&Ucirc;';        entities['220'] = '&Uuml;';
        entities['221'] = '&Yacute;';
        entities['222'] = '&THORN;';
        entities['223'] = '&szlig;';
        entities['224'] = '&agrave;';        entities['225'] = '&aacute;';
        entities['226'] = '&acirc;';
        entities['227'] = '&atilde;';
        entities['228'] = '&auml;';
        entities['229'] = '&aring;';        entities['230'] = '&aelig;';
        entities['231'] = '&ccedil;';
        entities['232'] = '&egrave;';
        entities['233'] = '&eacute;';
        entities['234'] = '&ecirc;';        entities['235'] = '&euml;';
        entities['236'] = '&igrave;';
        entities['237'] = '&iacute;';
        entities['238'] = '&icirc;';
        entities['239'] = '&iuml;';        entities['240'] = '&eth;';
        entities['241'] = '&ntilde;';
        entities['242'] = '&ograve;';
        entities['243'] = '&oacute;';
        entities['244'] = '&ocirc;';        entities['245'] = '&otilde;';
        entities['246'] = '&ouml;';
        entities['247'] = '&divide;';
        entities['248'] = '&oslash;';
        entities['249'] = '&ugrave;';        entities['250'] = '&uacute;';
        entities['251'] = '&ucirc;';
        entities['252'] = '&uuml;';
        entities['253'] = '&yacute;';
        entities['254'] = '&thorn;';        entities['255'] = '&yuml;';
        //entities['333'] = '&#333;';
    }
 
    if (useQuoteStyle !== 'ENT_NOQUOTES') {
        entities['34'] = '&quot;';    }
    if (useQuoteStyle === 'ENT_QUOTES') {
        entities['39'] = '&#39;';
    }
    entities['60'] = '&lt;';    entities['62'] = '&gt;';
 
 
    // ascii decimals to real symbols
    for (decimal in entities) {        symbol = String.fromCharCode(decimal);
        hash_map[symbol] = entities[decimal];
    }
    
    return hash_map;
}
function str_replace(search, replace, subject) {
  return subject.split(search).join(replace);
}
//}