var editor ={instances: [],buttons: [],popups: [],path: '',dialog:{},bpr: 20,
mode:(window.getSelection || document.getSelection) ? 1:( document.selection && document.selection.createRange ? 2:0 )}
editor.initiate=function(){var i,T,Ts=document.getElementsByTagName('textarea');for(i=0; T=Ts[i]; i++){if(editor.hasClass(T,'editor-textarea')){editor.processTextarea(T);}}}
editor.instance=function(T,index){
this.index=index;
this.textArea=T;this.textArea.editor=this;this.buttons=document.getElementById('editor-'+index).getElementsByTagName('input');this.bindex=null;
this.focus=function(){this.textArea.focus();}
this.getContent=function(){return editor.processText(this.textArea.value);}
this.setContent=function(content){var st=this.textArea.scrollTop;this.textArea.value=content;this.textArea.scrollTop=st;}
this.getSelection=function(){var pos=this.posSelection();return this.getContent().substring(pos.start,pos.end);}
this.replaceSelection=function(txt,cursor){var txt=editor.processText(txt);var pos=this.posSelection();var content=this.getContent();this.setContent(content.substr(0,pos.start) + txt + content.substr(pos.end));var end=cursor=='start' ? pos.start:pos.start+txt.length;var start=cursor=='end' ? end:pos.start;this.makeSelection(start,end);}
this.tagSelection=function(left,right,cursor){var left=editor.processText(left);var right=editor.processText(right);var llen=left.length;var pos=this.posSelection();var content=this.getContent();this.setContent(content.substr(0,pos.start) + left + content.substring(pos.start,pos.end) + right + content.substr(pos.end));var end=cursor=='start' ? pos.start+llen:pos.end+llen;var start=cursor=='end' ? end:pos.start+llen;this.makeSelection(start,end);}
this.makeSelection=function(start,end){if(end<start) end=start;editor.selMake(this.textArea,start,end);if(editor.dialog.esp) editor.dialog.esp ={start: start,end: end};}
this.posSelection=function(){return editor.dialog.esp ? editor.dialog.esp:editor.selPos(this.textArea);}
this.buttonsDisabled=function(state,bindex){for(var i=0; b=this.buttons[i]; i++){b.disabled=i==bindex ? !state:state;}}
this.accesskeys=function(state){for(var i=0; b=this.buttons[i]; i++){b.accessKey=state ? editor.buttons[i][3]:'';}}}
editor.buttonClick=function(eindex,bindex){
try{
var E=editor.active=editor.instances[eindex];
E.bindex=bindex;
var b=editor.buttons[bindex];
var content=b[1];
editor.dialog.close();
if(b[4]) b[4](E);
else if(content){var arr=content.split('%TEXT%');if(arr.length==2) E.tagSelection(arr[0],arr[1]);else E.replaceSelection(arr.length==1 ? content:arr.join(E.getSelection()),'end');}
if(!editor.hasClass(E.buttons[bindex],'stay-clicked')) E.focus();}
catch(e){ alert(e.name +': '+ e.message); }
return false;}
editor.template=function(){
if(typeof editor.tplHTML != 'undefined') return editor.tplHTML;
editor.tplHTML='';
for(var i=0; b=editor.buttons[i]; i++){
if(i && i%editor.bpr==0) editor.tplHTML += '<br />';
if(b[1].substr(0,3)=='js:') b[4]=new Function('E',b[1].substr(3));
var inner=b[2].search(/\.(png|gif|jpg|jpeg)$/i) != -1 ?('type="image" src="'+ editor.path +'icons/'+ b[2] +'" class="editor-image-button"'):('type="button" value="'+ b[2] +'" class="editor-text-button"');
editor.tplHTML += '<input '+ inner +' onclick="editor.buttonClick(%n,'+ i +'); return false;" id="editor-%n-button-'+ i +'" title="'+ b[0] +'" accesskey="'+ b[3] +'" />';}return editor.tplHTML;}
editor.processTextarea=function(T){
if(T.editor || T.style.display=='none' || T.style.visibility=='hidden') return;
var index=editor.instances.length;
var ec=document.createElement('div');
ec.id='editor-'+ index;
ec.className='editor-container';
ec.innerHTML=editor.template().replace(/\%n/g,index);
T.parentNode.insertBefore(ec,T);
var E=editor.instances[index]=new editor.instance(T,index);
T.onfocus=function(){ 
if(!(editor.active==this.editor || editor.dialog.editor)){
editor.active.accesskeys(false);
this.editor.accesskeys(true);
editor.active=this.editor;}}
if(index==0){
editor.active=E;
editor.dialog.popup=editor.createPopup('editor-dialog');
editor.dialog.popup.close=function(){editor.dialog.close();}}else{E.accesskeys(false);}}
editor.openPopup=function(id,title,content){
var popup=editor.createPopup(id);
popup.open(title,content);
return popup;}
editor.createPopup=function(pid,ptitle,pcontent){
if(editor.popups[pid]){
return editor.popups[pid];}
var popup=editor.popups[pid]=document.createElement('table');
with(popup){
with(insertRow(0)){
className='head even';
with(insertCell(0)){className='title'; innerHTML=ptitle||''}
with(insertCell(1)){className='close'; innerHTML='<a>x</a>';}}
with(insertRow(1)){
className='body odd';
with(insertCell(0)){className='content'; colSpan=2; innerHTML=pcontent||''}}
rows[0].onmousedown=function(e){
var e=e||window.event;
var P=editor.popups[pid];
var X=e.clientX-parseInt(P.style.left||0);
var Y=e.clientY-parseInt(P.style.top||0);
document.onmousemove=function(e){
var e=e||window.event;
P.style.left=(e.clientX-X) + 'px';
P.style.top=(e.clientY-Y) + 'px';
return false;}
document.onmouseup=function(e){
document.onmousemove=null;
document.onmouseup=null;}
return false;}
rows[0].cells[1].firstChild.onclick=function(){
editor.popups[pid].close();}
id=pid;
className='editor-popup';
style.position='absolute';
style.display='none';}
popup.open=function(title,content,keeppos){
if(typeof(title)=='string') this.rows[0].cells[0].innerHTML=title;
if(typeof(content)=='string') this.rows[1].cells[0].innerHTML=content;
if(!keeppos){
this.style.left=editor.absPos(editor.active.textArea,'x') +'px';
this.style.top=editor.absPos(editor.active.textArea,'y')-25 +'px';}
this.style.display='block';
this.ed=editor.active;}
popup.close=function(){
this.style.display='none';}
document.body.appendChild(popup);
return popup;}
editor.dialog.open=function(title,content){
if(this.editor) this.close();
this.editor=editor.active;
this.editor.buttonsDisabled(true);
editor.addClass(this.editor.buttons[this.editor.bindex],'stay-clicked');
this.esp=this.editor.posSelection();
this.popup.open(title,content);
this.oldfocus=this.editor.textArea.onfocus;
this.editor.textArea.onfocus=function(){this.blur();}}
editor.dialog.close=function(){
if(this.editor){
this.editor.textArea.onfocus=this.oldfocus;
this.editor.buttonsDisabled(false);
editor.delClass(this.editor.buttons[this.editor.bindex],'stay-clicked');
if(this.editor==editor.active){
if(editor.mode==2) this.editor.makeSelection(this.esp.start,this.esp.end);
else{this.editor.focus();}}
this.editor=null;
this.esp=null;
this.popup.style.display='none';}}
editor.absPos=function(el,axis){
var prop=axis=='x' ? 'offsetLeft':'offsetTop';
var pos=el[prop]||0;
while(el=el.offsetParent) pos += el[prop];
return pos;}
editor.hasClass=function(el,name){
return el.className &&(' '+ el.className +' ').indexOf(' '+name+' ') != -1;}
editor.addClass=function(el,name){
if(!editor.hasClass(el,name)) el.className += ' '+name;}
editor.delClass=function(el,name){
if(editor.hasClass(el,name)) el.className=el.className.replace(new RegExp('(^| +)'+name+'( +|$)','g'),' ');}
editor.inArray=function(obj,arr){
for(var i in arr) if(arr[i]==obj) return true;}
editor.regEsc=function(text){
return text.replace(/([\\\^\$\*\+\?\.\(\)\[\]\{\}\|])/g,'\\$1');}
if(editor.mode==0){
editor.selPos=function(T){return{start: T.value.length,end: T.value.length};}
editor.selMake=function(T,start,end){}}
else if(editor.mode==1){
editor.selPos=function(T){ return{start: T.selectionStart||0,end: T.selectionEnd||0};}
editor.selMake=function(T,start,end){T.setSelectionRange(start,end);}}
else if(editor.mode==2){
editor.selPos=function(T){
T.focus();
var val=T.value.replace(/\r\n/g,'\n');
var mark='~`^';
for(var i=0; val.indexOf(mark) != -1; i++) mark += mark.charAt(i);
var mlen=mark.length;var range=document.selection.createRange();var bm=range.getBookmark();
var slen=range.text.replace(/\r\n/g,'\n').length;range.text=mark;var tmp=T.value.replace(/\r\n/g,'\n');var start=tmp.indexOf(mark);
for(var i=0; tmp.charAt(start+i+mlen)=='\n'; i++);var end=start+slen;
for(; val.charAt(end)=='\n'; end++);
end -= i;T.value=val;if(start==end && !val.charAt(end)) range.collapse(false);
else range.moveToBookmark(bm);
range.select();
return{start: start,end: end};}
editor.selMake=function(T,start,end){range=T.createTextRange();range.collapse();range.moveEnd('character',end);range.moveStart('character',start);range.select();}}
editor.processText=function(text){
return editor.mode==2 ? text.replace(/\r\n/g,'\n'):text;}
if(document.getElementsByTagName && document.createElement  && document.getElementById){
var wload=window.onload;
window.onload=typeof(wload)=='function' ? function(e){wload(e); editor.initiate();}:editor.initiate;}