/*change log:
xmlhttp document loading
17082005	new
*/
/*prereq
*/
/*function list for forms
suche		subOpen(unid)
doc		nextOpen(myid)
		prevOpen(myid)
		toSearch(myid)
*/
var dynDoc = top.document;
var docLinks;
var httpreq = false;
var useHttp = true;
var waiting = false;
var bittewar = 'Bitte warten, Edikt wird geladen!';
var msgbookmark = 'Diese Funktion ist hier nicht verfügbar!';
var title2src,thisdocnum;
/*native (bookmarked) edi doc w/o search:*/
function subOpen() {};
function nextOpen() {alert(msgbookmark);};
function prevOpen() {alert(msgbookmark);};
function toSearch() {alert(msgbookmark);};
function checkSession(doc){/*entry point, called by initForm, suche31.js*/
 var elem = doc.forms['_suche'].elements;
 if (elem['Hits']==null) return;/*not search form*/
 var sel = elem['Hits'].value;
 if (sel==''||sel=='0') {/*before search|0 found*/
  return;
 }
 if (useHttp) {
  subOpen = subOpenXML;
  nextOpen = nextOpenXML;
  prevOpen = prevOpenXML;
  toSearch = toSearchXML;
  initXML(doc);
 } else {
 }
// alert('checkSession with useHttp='+useHttp);
 var wState = dynDoc.getElementById('windowState');
 wState.value = 'R';/*result*/
 docLinks = '';
 var j = 0;
 for (var i=0;i<doc.links.length;i++) {
  var href = doc.links[i].href.toLowerCase();
  var ix = href.indexOf("subopen('");
  if (ix>0) {
   if (j==0) {
    j++;
    doc.links[i].focus();
   } else
    docLinks += '-';
   docLinks += href.substr(ix+9,32);
  }
 }/*for*/
 docLinks = docLinks.split('-');
//alert(docLinks.length);
 hideId( 'divedikt', dynDoc);
 showId( 'divsuche', dynDoc);
}/*checkSession*/
/*xmlhttp functions*/
function initXML(doc) {
 if (self.XMLHttpRequest) {	// native object: Mozilla,Safari
  httpreq = new XMLHttpRequest();
 } else
 if (self.ActiveXObject) {	// IE
  httpreq = new ActiveXObject("Msxml2.XMLHTTP");	//Msxml2.XMLHTTP
 } else {	// no xmlhttp
  alert('Old browser, XMLHTTP not available');
  return false;
 }
 return true;
}
function subOpenXML(unid) {/*open found doc from search view*/
 if (waiting) return alert(bittewar);
 var wState = dynDoc.getElementById('windowState');
 wState.value = 'H';/*httpreq pending*/
 var last = '';
 if (unid==docLinks[0]) {last += '&f=1'; thisdocnum = 1;}
 if (unid==docLinks[docLinks.length-1]) {
  last += '&l=1';
  thisdocnum = docLinks.length;
 } else {
  for (var i=1;i<docLinks.length-1;i++)
   if (unid==docLinks[i]) {thisdocnum = i+1; break;}
 }
 var url = unid + html_delim + 'OpenDocument'+last + '&bm=2';
 httpreq.open('GET',	// &rand=' + Math.random();
  /*'/edikte/test/ex/exedi31.nsf/0/'+*/ '0/'+url, true);
 httpreq.onreadystatechange=onreadystatechange;
// httpreq.setRequestHeader('Accept','text/xml');
 httpreq.send(null);
 waiting = true;
 title2src = firstTextChild(dynDoc.getElementById('title2')).nodeValue;
}/*subOpenXML*/
function prevOpenXML(myid) {
 if (waiting) return alert(bittewar);
 for (var i=1;i<docLinks.length;i++) {
  if (myid==docLinks[i]) {
   var last = (i == 1) ? '&f=1' : ''; /*after first*/
   var url = docLinks[--i] + html_delim + 'OpenDocument' + last + '&bm=2';
 var wState = dynDoc.getElementById('windowState');
 wState.value = 'H';/*httpreq pending*/
 httpreq.open('GET', /*'/edikte/test/ex/exedi31.nsf/0/'+*/ '0/'+url, true);
 httpreq.onreadystatechange=onreadystatechange;
 httpreq.send(null);
 waiting = true;
 thisdocnum = i+1;
   return;
   }/*if*/
 }/*for*/ 
 toSearchXML(myid);
}
function nextOpenXML(myid) {
 if (waiting) return alert(bittewar);
 for (var i=0;i<docLinks.length-1;i++) {
  if (myid==docLinks[i]) {
   var last = (i == docLinks.length-2) ? '&l=1' : ''; /*before last*/
   var url = docLinks[++i] + html_delim + 'OpenDocument' + last + '&bm=2';
 var wState = dynDoc.getElementById('windowState');
 wState.value = 'H';/*httpreq pending*/
 httpreq.open('GET', /*'/edikte/test/ex/exedi31.nsf/0/'+*/ '0/'+url, true);
 httpreq.onreadystatechange=onreadystatechange;
 httpreq.send(null);
 waiting = true;
 thisdocnum = i+1;
   return;
   }/*if*/
 }/*for*/ 
 toSearchXML(myid);
}/*nextOpenXML*/
function toSearchXML(myid) {
 var wState = dynDoc.getElementById('windowState');
 wState.value = 'R';/*result*/
 firstTextChild(dynDoc.getElementById('title2')).nodeValue = title2src;
 hideId( 'divedikt', dynDoc);
 showId( 'divsuche', dynDoc);
 setFocus2myLink(dynDoc, myid);
}/*toSearchXML*/
function setFocus2myLink(doc, myid) {
 for (var i=0;i<doc.links.length;i++) {
  var href = doc.links[i].href.toLowerCase();
  var ix = href.indexOf(myid);
  if (ix>0) {
    doc.links[i].focus();
    return;
  }
 }/*for*/
}/*setFocus2myLink*/
function onreadystatechange() {
 if (httpreq.readyState!=4)
  return; // alert('onreadystatechange\nreadyState='+httpreq.readyState);
 waiting = false;
 var trc = 'readyState=' + httpreq.readyState +
  '\nstatus=' + httpreq.status + '\nstatusText=' + httpreq.statusText;
// alert(trc);
 var resp = httpreq.responseText;
// alert(resp);
 var ix1 = resp.search(/\<title\>/i,'');
 var ix2 = resp.search(/\<\/title\>/i,'');
 var title2edi = resp.substring(ix1+7,ix2);
 var ix1 = resp.search(/\<div id\=\"diveddoc\"\>/i);
 var ix2 = resp.search(/\<\/div\>\<\!\-\-diveddoc/i);
 resp = resp.substring(ix1+19,ix2);
// alert(resp.substring(resp.length-50,resp.length));
// alert(httpreq.responseXML);
// alert(httpreq.getAllResponseHeaders());
// var str1 = domParse(httpreq.responseXML,'',true);
// alert (str1);
 var xmldiv = dynDoc.getElementById('divedikt');
 xmldiv.innerHTML = resp;
 var wState = dynDoc.getElementById('windowState');
 wState.value = 'D';/*document*/
 /*set second title bar text*/
 firstTextChild(dynDoc.getElementById('title2')).nodeValue = title2edi;
 ix1 = docLinks.length;
 resp = thisdocnum + ' von ' + ix1;
 dynDoc.getElementById('tosearchh').title= resp; /*set search lnk hdr title test*/
 dynDoc.getElementById('tosearchf').title= resp; /*set search lnk ftr title test*/
 resp = '<< ' + (thisdocnum-1) + ' von ' + ix1;
 if (dynDoc.getElementById('prevh')) /*set prev hdr text*/
  firstTextChild(dynDoc.getElementById('prevh')).nodeValue = resp;
 if (dynDoc.getElementById('prevf')) /*set prev ftr text*/
  firstTextChild(dynDoc.getElementById('prevf')).nodeValue = resp;
 resp = (thisdocnum+1) + ' von ' + ix1 + ' >>';
 if (dynDoc.getElementById('nexth')) /*set next hdr text*/
  firstTextChild(dynDoc.getElementById('nexth')).nodeValue = resp;
 if (dynDoc.getElementById('nextf')) /*set next ftr text*/
  firstTextChild(dynDoc.getElementById('nextf')).nodeValue = resp;
 hideId( 'divsuche', dynDoc);
 showId( 'divedikt', dynDoc);
 window.top.defaultStatus = dynDoc.title;
 dynDoc.getElementById('tosearchh').focus(); /*set focus for FF*/
}/*onreadystatechange*/
/*low-level and test functions*/
function removeAllChildren(node) {
 if (node==null) return;
 var child1 = node.firstChild;
 while (child1!=null) {
  var child2 = child1.nextSibling;
  node.removeChild(child1);
  child1 = child2;
 }/*while*/
}/*removeAllChildren*/
function firstTextChild(node) {
 if (node==null) return null;
 var child1 = node.firstChild;
 while (child1!=null) {
  if (child1.nodeType==3) return child1;
  child1 = child1.nextSibling;
 }/*while*/
 return null;
}/*firstTextChild*/
function domTest(attr) {/*true/false; with-w/o all attribs*/
 /*form prereq: <p style="font-family:courier;" id="domTest"></p>*/
// var body = document.getElementsByTagName('BODY');/*node list*/
// body = body[0];
 var str1 = prompt('Id to be parsed:','divedikt');
 var body = dynDoc.getElementById(str1);
 if (body==null)
  str1 = 'Id to be parsed: '+str1+' not found.';
 else
  str1 = domParse(body,'',attr);
 var tgt = dynDoc.getElementById('domTest');
 if (tgt==null) return alert(str1);
 removeAllChildren(tgt);
 str1 = str1.split(/\<br\>/);
 var br = dynDoc.createElement( 'BR' );
 for (var i=0;i<str1.length;i++) {
  tgt.appendChild( dynDoc.createTextNode( str1[i] ) );
  tgt.appendChild( br.cloneNode(false) );
 }/*for i*/
}/*domTest*/
function domParse(parm,str,attr) {/*node,char,true/false*/
 var nodeTypes = ["NULL","ELEMENT_NODE","ATTRIBUTE_NODE","TEXT_NODE", "CDATA_SECTION_NODE", "ENTITY_REFERENCE_NODE","ENTITY_NODE",
 "PROCESSING_INSTRUCTION_NODE", "COMMENT_NODE", "DOCUMENT_NODE", "DOCUMENT_TYPE_NODE","DOCUMENT_FRAGMENT_NODE","NOTATION_NODE"];
 var res = '';
 var node1 = parm;
 res += str + node1.nodeName;
 res += ' ' + nodeTypes[node1.nodeType].toLowerCase()+'('+node1.nodeType+')';
 if (node1.nodeType==1) {/*element*/
  if (node1.getAttribute('id')) res += ' id=' + node1.getAttribute('id');
  if (node1.nodeName=='INPUT')
   if (node1.value) res += ' -->' + node1.value + '<--';
  res += '<br>';
  if (attr) {
   var attrs = node1.attributes;
   for (var i=0;i<attrs.length;i++) {
    var value = attrs[i].nodeValue;
    if (!(value=='' | value==null))
     res += str + attrs[i].nodeName + "=" + value + '<br>';
   }/*for*/
  }/*if attr*/
 }/*if*/ else
 if (node1.nodeType==3) /*text*/
  res += ' -->' + node1.nodeValue + '<--<br>';
 else
  res += ' -->' + node1.nodeValue + '<--<br>';
//  res += '<br>';
 if (node1.hasChildNodes()) {
  var nodes1 = node1.childNodes;
  for (var i=0;i<nodes1.length;i++) {
   res += domParse(nodes1[i], str+'-',attr);
  }/*for*/
 } else {
  return(res);
 }/*if*/
 return(res);
}/*domParse*/