var ajax_win=true;
var ajax_showid=false;
var ajax_hideMath;
var ajax_focus=false;

function InitAjax()
{

 var http_request;

if(window.XMLHttpRequest){
  http_request=new XMLHttpRequest();
  
  if(http_request.overrideMimeType){
    http_request.overrideMimeType("text/xml");
  } 
}else if(window.ActiveXObject){
  try{
   http_request=new ActiveXObject("Msxml2.XMLHttp");
  }catch(e){
   try{
   http_request=new ActiveXobject("Microsoft.XMLHttp");
   }catch(e){}
  }
    }else{
	 
	return false;
	}
	return http_request;
}
function show_ajaxMenu(showid,type) {
	ajax_hideMath=Math.round(Math.random()*100000);
	wysiwyg=0;
	var showobj = $(showid);		
	var ctrlobj = $(showid);
	var menuobj = $(showid + '_menu');
    var menuobjTop;
	$('append_parent2').style.display = '';
	
	if(type==2){
	$('ajax_loading').style.display = 'none';
    $('ajax_con').style.display = '';
	}else{
	$('ajax_loading').style.display = '';
    $('ajax_con').style.display = 'none';	
	}
	
	menuobj.style.position = 'absolute';
	menuobj.style.zIndex = 99;
	menuobj.style.display = '';

        var offset = 1;
		showobj.pos = fetchOffset(showobj);
		showobj.X = showobj.pos['left'];
		showobj.Y = showobj.pos['top'];
		showobj.w = showobj.offsetWidth;
		showobj.h = showobj.offsetHeight;
		menuobj.w = menuobj.offsetWidth;
		menuobj.h = menuobj.offsetHeight;		
		
	if (document.documentElement && document.documentElement.scrollTop) {
var t = document.documentElement.scrollTop;
} else if(document.body) {
var t = document.body.scrollTop;
}

if (document.documentElement && document.documentElement.clientHeight) {
var hj = document.documentElement.clientHeight;
} else if(document.body) {
var hj = document.body.clientHeight;
}

var pj=t +  hj - showobj.Y - showobj.h - menuobj.h;

if(pj>0){	
	menuobjTop =  (showobj.Y + showobj.h);
}else if(showobj.Y-t-20-menuobj.h>0){
	menuobjTop =showobj.Y-menuobj.h;
}else menuobjTop =t + 20;


menuobj.style.top=menuobjTop + 'px';

		menuobj.style.left = (showobj.X + menuobj.w > document.body.clientWidth) && (showobj.X + showobj.w - menuobj.w >= 0) ? showobj.X + showobj.w - menuobj.w + 'px' : showobj.X + 'px';

if(menuobj.style.clip && !is_opera) {
			menuobj.style.clip = 'rect(auto, auto, auto, auto)';
		}

if(type==3){
	setTimeout("hideajaxMenu('"+showid+"',true,'"+ajax_hideMath+"')", 5000);	
}
if(ajax_focus!=false) {
	$(ajax_focus).focus();
ajax_focus=false;
}
}

function ajax_quote(tid,author,kma,showid){

if(ajax_win==false) return;
ajax_win=false;

if(!$(showid) || !showid){
	showid=ajax_showid==false?'ajax_help':ajax_showid;	
}
ajax_showid=showid;
var showobj=$(showid);

var innet_close='<div class="ajax_close" id="ajax_close"><a href="javascript:void(0)" onclick="hideajaxMenu(\''+showid+'\');">[关闭]</a></div>';
var innet_load='<div class="ajax_loading" id="ajax_loading"><span id="ajax_loadingimg"></span>正在读取...</div>';
var innet_html='<div class="ajax-body"><h3>引用</h3><form method="post" action="post.php?type=newreply&id='+tid+'" enctype="multipart/form-data">引用1:<br /><textarea name="quote[]" style="width:60px; height:40px;word-break: break-all;"></textarea><br />引用2:<br /><textarea name="quote[]" style="width:60px; height:40px;word-break: break-all;"></textarea><br />引用3:<br /><textarea name="quote[]" style="width:60px; height:40px;word-break: break-all;"></textarea><br />引用4:<br /><textarea name="quote[]" style="width:60px; height:40px;word-break: break-all;"></textarea><br /><input class="button" type="button" name="topicsubmit" id="postsubmit" onClick="ajax_send(\'author='+author+'&kma='+kma+'\',\''+showid+'\',this.form)" value="提 交" /></form> <div class="clear-both"></div></div>';	
if(!$(showid+'_menu')) $('append_parent2').innerHTML='<div class="ajax_Tips" id="'+showid+'_menu">'+innet_close+innet_load+'<div class="ajax_con" id="ajax_con">'+innet_html+'</div></div>';	
textobj = $(editorid + '_textarea');
ajax_win=true;

show_ajaxMenu(showid,2);	
}

function cache_send(url,showid){

var showobj=$(showid);

var http_request = InitAjax();
if(http_request===false) return;

http_request.onreadystatechange=function(){
   if(http_request.readyState==4 && http_request.status==200){   
       showobj.innerHTML=http_request.responseText;
   }
}
var rexp = /\?/;
url+=(rexp.test(url)?'&':'?') + 'ajaxsid='+sid;

    http_request.open('GET',url,true);
    http_request.send(null);
}

function ajax_reply(tid,showid){
if(ajax_win==false) return;
ajax_win=false;

if(!$(showid) || !showid){
	showid=ajax_showid==false?'ajax_help':ajax_showid;	
}
ajax_showid=showid;
var showobj=$(showid);

  var emid= new Array();
  var userem='';
 if(userems!=''){  
  emid=userems.split("|");
 }else{
for (i=0;i<smilies && i<10;i++ ) emid.push(i+1);
}
    for (i=0;i<emid.length && i<10;i++ )    
    {  
	userem+=' <img src="'+emotedir+'/em'+emid[i]+'.gif" id="smilie_'+emid[i]+'" border="0" onclick="insertSmiley('+emid[i]+')" onmouseover="this.style.cursor = is_ie ? \'hand\' : \'pointer\'"/>';
    } 

var innet_close='<div class="ajax_close" id="ajax_close"><a href="javascript:void(0)" onclick="hideajaxMenu(\''+showid+'\');">[关闭]</a></div>';
var innet_load='<div class="ajax_loading" id="ajax_loading"></span>正在读取...</div>';
var innet_html='<div class="ajax-body">  <h3>快速回复</h3>  <div class="xbb-tab ajax-4"> <form name="postquick" method="post" id="postform" action="savepost.php" enctype="multipart/form-data">  <div class="xbb-list first-child"> <div class="xbb-list-l"><div style=""><input value="1" id="parseurloff" name="parseurloff" type="checkbox">禁用[url]</div><div style=""><input value="1" id="smileyoff" name="smileyoff" type="checkbox">禁用[em]</div><div style=""><input value="1" name="bbcodeoff" type="checkbox">禁用UBB</div><div style=""><input value="1" name="signoff" type="checkbox">屏蔽签名</div></div> <div class="xbb-list-r"><div class="editor_text">  <textarea name="message" style="width:98%; height:100px;word-break: break-all;" id="posteditor_textarea"  onKeyDown="if((event.ctrlKey && event.keyCode == 13) || (event.altKey && event.keyCode == 83)) ajax_send(\'\',\''+showid+'\',this.form);"></textarea></div><input type="hidden" value="'+tid+'" name="id" /><input type="hidden" value="newreply" name="type" /><input type="hidden" value="'+randomChar(5)+'" name="sign" /><table width="100%" cellpadding="4" cellspacing="0">  <tr> <td><div>  <input type="button" class="lightbutton" value="-" onClick="resizeEditor(-100,1)" />  <input type="button" class="lightbutton" value="+" onClick="resizeEditor(100,1)" /></div></td> <td align="right">[alt+s][ctrl+回车]<input name="button" type="button" class="lightbutton"  onclick="clearcontent()" value="清 空" /><input class="button" type="button" name="topicsubmit" id="postsubmit" onClick="ajax_send(\'\',\''+showid+'\',this.form)" value="提 交" /></td>  </tr></table> </div> <div class="clear-both"></div>  </div>  <div class="xbb-list"> <div class="xbb-list-l">心情图标<input name="button" type="button" onclick="QuickReplyImg()" value="刷" />:</div> <div class="xbb-list-r" id="QRemimg">'+userem+' </div> <div class="clear-both"></div>  </div></form>  </div>  <div class="clear-both"></div></div>';	
if(!$(showid+'_menu')) $('append_parent2').innerHTML='<div class="ajax_Tips" id="'+showid+'_menu">'+innet_close+innet_load+'<div class="ajax_con" id="ajax_con">'+innet_html+'</div></div>';	

textobj = $(editorid + '_textarea');
ajax_win=true;
ajax_focus='posteditor_textarea';
show_ajaxMenu(showid,2);
}
function QuickReplyImg(){
	var html=$('QRemimg').innerHTML;
	$('QRemimg').innerHTML='';
	$('QRemimg').innerHTML=html;
}

function ajax_send(url,showid,form){

var query_string=null;
var method=form?'post':'get';

var autoclose=false;
if(ajax_win==false) return;
ajax_win=false;

if(!$(showid) || !showid){
	showid=ajax_showid==false?'ajax_help':ajax_showid;	
}
ajax_showid=showid;

var showobj=$(showid);

var innet_close='<div class="ajax_close" id="ajax_close"><a href="javascript:void(0)" onclick="hideajaxMenu(\''+showid+'\');">[关闭]</a></div>';
var innet_load='<div class="ajax_loading" id="ajax_loading">正在读取...</div>';
var innet_con='<div class="ajax_con" id="ajax_con"></div>';
if(!$(showid+'_menu')) $('append_parent2').innerHTML='<div class="ajax_Tips" id="'+showid+'_menu">'+innet_close+innet_load+innet_con+'</div>';	

var http_request = InitAjax();
if(http_request===false) return;

show_ajaxMenu(showid,1);

if (method=='post')
 {

if(url!='') {
var rexp = /\?/;	
url=form.action+(rexp.test(form.action)?'&':'?') + url;	
}else
	url=form.action;

	query_string=formToRequestString(form);	 
 }

http_request.onreadystatechange=function(){
   if(http_request.readyState==4 && http_request.status==200){
	   
	   var str='';
	   var regExp=/<script[^>]*>(.+?)<\/script>/ig;
       while ((regExp.exec(http_request.responseText))){
		   
       str+=RegExp.$1;
  } 
	   
       var ex = new RegExp("autoclose=true"); 
autoclose=ex.test(str)?true:false;
	   
       $(autoclose==true?'ajax_loading':'ajax_con').innerHTML=http_request.responseText;

	eval(str);
	ajax_win=true;
	show_ajaxMenu(showid,autoclose==true?3:2);
   }
}

var rexp = /\?/;
url+=(rexp.test(url)?'&':'?') + 'ajaxsid='+sid;
    http_request.open(method,url,true);
 if (method=="post") http_request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
    http_request.send(query_string);
}

function hideajaxMenu(showid,kix,hideMath) {

	if(!$(showid)) return;

		if(kix){
		if(hideMath!=ajax_hideMath) return;
	    if(ajax_win==false) return;
		}
		$('append_parent2').innerHTML='';	
		$('append_parent2').style.display = 'none';	
		ajax_win=true;
		

}

	function formToRequestString(form) {

            var elements = form.elements;
            var element;
            var i;
            var query_string = "";
			
            for(i=0;i<elements.length;++i) {
              	var element=elements[i];
				
            if(element.type=="text" || element.type=="textarea" || element.type=="hidden") {
            query_string += encodeURIComponent(element.name) + "=" + encodeURIComponent(element.value) + "&";
            }
            else if(element.type=="select-one"||element.type=="select-multiple") {
            var options=element.options,j,item;
            for(j=0;j<options.length;++j){
            item=options[j];
            if(item.selected) {
                    	query_string += encodeURIComponent(element.name) + "=" + encodeURIComponent(item.value) + "&";
            		}
            }
            } else if(element.type=="checkbox"||element.type=="radio") {
            if(element.checked) {
                    	query_string += encodeURIComponent(element.name) + "=" + encodeURIComponent(element.value) + "&";
            		}
            	} else if(element.type=="file") {
            		if(element.value != "") {
            			query_string += encodeURIComponent(element.name) + "=" + encodeURIComponent(element.value) + "&";
            		}
            	} else {
            			query_string += encodeURIComponent(element.name) + "=" + encodeURIComponent(element.value) + "&";
            	}
            }
            return query_string;
            }