var dict_is_ie = true;
var dict_host = 'http://www.godic.net/';
var dict_help = 'http://www.godic.net/service.aspx';
var dict_partner = '';
var dict_enable = false;
var dict_old_word = '';
var dict_moving = 0;
var dict_onmove = 0;
var dict_onlayer = 0;
var dict_startx = 0;
var dict_starty = 0;
var dict_cx = 0;
var dict_cy = 0;
var dict_x = 0;
var dict_y = 0;
var dict_layer;
var dict_iframe;
/*
 * 描述：跨浏览器的设置 innerHTML 方法
 *       允许插入的 HTML 代码中包含 script 和 style
 * 作者：kenxu <ken@ajaxwing.com>
 * 日期：2006-03-23
 * 参数：
 *    el: 合法的 DOM 树中的节点
 *    htmlCode: 合法的 HTML 代码
 * 经测试的浏览器：ie5+, firefox1.5+, opera8.5+
 */
var setInnerHTML = function (el, htmlCode) {
    var ua = navigator.userAgent.toLowerCase();
    if (ua.indexOf('msie') >= 0 && ua.indexOf('opera') < 0) {
        htmlCode = '<div style="display:none">for IE</div>' + htmlCode;
        htmlCode = htmlCode.replace(/<script([^>]*)>/gi,
                                    '<script$1 defer="true">');
        el.innerHTML = htmlCode;
        el.removeChild(el.firstChild);
    }
    else {
        var el_next = el.nextSibling;
        var el_parent = el.parentNode;
        el_parent.removeChild(el);
        el.innerHTML = htmlCode;
        if (el_next) {
            el_parent.insertBefore(el, el_next)
        } else {
            el_parent.appendChild(el);
        }
    }
}

/*
 * 描述：通过重定义 document.write 函数，避免在使用 setInnerHTML 时，
 *       插入的 HTML 代码中包含 document.write ，导致原页面受到破坏的情况。
 */
document.write = function() {
    var body = document.getElementsByTagName('body')[0];
    for (var i = 0; i < arguments.length; i++) {
        argument = arguments[i];
        if (typeof argument == 'string') {
            var el = body.appendChild(document.createElement('div'));
            setInnerHTML(el, argument)
        }
    }
}
//-->
function dictInit(){
var agt = navigator.userAgent.toLowerCase();
  dict_is_ie = (agt.indexOf("msie")!=-1 && document.all);
  var h = '<div id="dict_layer" style="font-family: sans-serif;position:absolute;z-index:6000;display:none;background-color:#FFF;filter:Alpha(Opacity=96);">';
  h += '<table width="240" cellspacing="0" cellpadding="0"  style="border:1px solid #DCDCDC;"><tr><td>';
  h += '<div  style="cursor:move;border:0px; background:url(http://www.godic.net/dic_resource/grab_back.png) repeat-x scroll;" onmouseover="dict_onmove=1;" onmouseout="dict_onmove=0";>' ;
  h += '<table width="100%"><tr><td align="left" width="60%">';
  h += '<div style="color:#808080;font-family: sans-serif; font-size:12px;">德语助手 网页划词翻译</div>';
  h += '</td>';
  h += '<td align="right">';
//  h += '<a href="'+dict_help+'" target="_blank" title="&#24110;&#21161;">';
//  h += '<img src="'+dict_host+'/dic_resource/grab_help.png" style="border:none;display:inline;" align="absmiddle">';
//  h += '</a> ';
  h += '<a href="javascript:dictClose()" title="&#20851;&#38381;">';
  h += '<img src="'+dict_host+'dic_resource/grab_close.png" style="border:none;display:inline;" align="absmiddle">';
  h += '</a>';
  h += '</td></tr></table>';
  h += '<iframe id="dictFrame" name="dictFrame" height="200" src="about:blank" FRAMEBORDER="0" width="100%"></iframe>';
  h += '<div style="padding-top:5px;text-align:right;background-color:#F5F5F5;"><a style="font-family: sans-serif;font-size:12px;color:#414141;text-decoration:underline;" href="http://soft.godic.net/" target="_blank">下载最新版德语助手</a></div></div>';
 document.write(h);
  dict_layer = document.getElementById('dict_layer');
  dict_iframe = document.getElementById('dictFrame');
  dictClose();
  if (dictRCookie("dictstate") == '0' || dict_enable) dict_enable = true;
  dictUpdateStatus();  
  if (dict_is_ie) {
    document.attachEvent("onmousemove", dictMove);
    document.attachEvent("ondblclick", dictQuery);
    document.attachEvent("onmouseup", dictQuery);
    document.attachEvent("onselectstart", dictSelect);
    document.attachEvent("onmousedown", dictCheck);
    window.attachEvent("onload", dictUpdateStatus);
  }else {
    document.addEventListener("mousemove", dictMove, true);
    document.addEventListener("dblclick", dictQuery, true);
    document.addEventListener("mouseup", dictQuery, true);
    document.addEventListener("selectstart", dictSelect, true);
    document.addEventListener("mousedown", dictCheck, true);
    window.addEventListener("load", dictUpdateStatus, true);
  }
}

function dictGetSel()
{
	if (window.getSelection) return window.getSelection();
	else if (document.getSelection) return document.getSelection();
	else if (document.selection) return document.selection.createRange().text;
	else return '';
}

function dictGetPos(event){
  if (dict_is_ie) {
    dict_x = window.event.clientX + document.documentElement.scrollLeft
      + document.body.scrollLeft;
    dict_y = window.event.clientY + document.documentElement.scrollTop
      + document.body.scrollTop;
  }else {
    dict_x = event.clientX + window.scrollX;
    dict_y = event.clientY + window.scrollY;
  }
}


function dictSelect(e){
    if (dict_moving == 2)
        return false;
    else
        return true;
}

function dictCheck(e) {
    dictGetPos(e);
    var cx = 0;
    var cy = 0;
    var obj = dict_layer;
    if (obj.offsetParent){
        while (obj.offsetParent){
            cx += obj.offsetLeft;
            cy += obj.offsetTop;
            obj = obj.offsetParent;
        }
    }else if (obj.x){
        cx += obj.x;
        cy += obj.y;
    }

    if(dict_moving>0){
        if(dict_onmove == 1){
            dict_moving = 2;
            dict_startx = dict_x;
            dict_starty = dict_y;
        }else if(dict_x < cx || dict_x > (cx + 240) || dict_y < cy || (!dict_onlayer && dict_y > (cy + 100) ) ){
	    dictClose();
        }else{
            
            dict_moving = 1;
        }
    }
    
}

function dictQuery(e)  {
    if(dict_moving == 1){
        if (dict_is_ie) {
            window.event.cancelBubble = true;
            window.event.returnValue = false;
        }else{
            e.preventDefault();
        }
        return false;
    }
    if(dict_moving == 2) {
        dict_cx = dict_x;
        dict_cy = dict_y;
        dict_moving = 1;
        return false;
    }

    dictGetPos(e);
    if (!dict_enable) return true;

    var word = dictGetSel();
    if(dict_is_ie) word=word.replace(/^\s*|\s*$/g,"");
    if(word == "" || word.length > 16 || word == dict_old_word) return true;

    dictShow(word);

}

function dictDisplay(){
    var dx=262;
    var dy=264;
    dict_y += 8;
    dict_x += 16;
    if(dict_is_ie){
        if (document.documentElement.offsetHeight && document.body.scrollTop+document.documentElement.scrollTop+document.documentElement.offsetHeight - dict_y < dy){
            dict_y = document.body.scrollTop+document.documentElement.scrollTop + document.documentElement.offsetHeight - dy;
            dict_x += 14;
        }
        if (document.documentElement.offsetWidth && document.body.scrollLeft+document.documentElement.scrollLeft+document.documentElement.offsetWidth - dict_x < dx){
            dict_x = document.body.scrollLeft+document.documentElement.scrollLeft + document.documentElement.offsetWidth - dx;
        }
    }else{
        dx-=1;
        dy+=11;
        if (self.innerHeight && document.body.scrollTop+document.documentElement.scrollTop + self.innerHeight - dict_y < dy) {
            dict_y = document.body.scrollTop+document.documentElement.scrollTop + self.innerHeight - dy;
            dict_x += 14;
        }
        if (self.innerWidth && document.body.scrollLeft+document.documentElement.scrollLeft + self.innerWidth - dict_x < dx) {
            dict_x = document.body.scrollLeft+document.documentElement.scrollLeft + self.innerWidth - dx;
        }
    }
    dict_cx = dict_x;
    dict_cy = dict_y;
    dict_startx = dict_x;
    dict_starty = dict_y;
    dict_layer.style.left = dict_cx+'px';
    dict_layer.style.top = dict_cy+'px';
    dict_layer.style.display="";
    dict_moving = 1;
}

function dictShow(word){
    dictDisplay();
    try{
        dict_iframe.src='about:blank';
        iframeWin = window.frames.dictFrame;
        iframeWin.document.open();
        iframeWin.document.write('<html><body><span style="color:gray; font-size:12px;"> 正在查找&nbsp;'+word+'&nbsp;，请稍后...</span></body></html>');
        iframeWin.document.close();
    }catch(x){
    }
    var u=dict_host+'SearchGrab.aspx?Word='+encodeURI(word);
    dict_iframe.src=u;
    if(dict_is_ie) dict_old_word = word;
}
 


//function dictAdd(word){
//    dictDisplay();
//    try{
//        dict_iframe.src='about:blank';
//        iframeWin = window.frames.dictFrame;
//        iframeWin.document.open();
//        iframeWin.document.write('<html><body style=font-size: 14px;color:#2EA8ED;"><center><b><font color="#666666">&#28155;&#21152;&#29983;&#35789;&#26412;:</font> <font color="green">'+word+'</font></b><br><br>&#29983;&#35789;&#19978;&#20256;&#20013;...<br>&#35831;&#31245;&#20505;...</center></body></html>');
//        iframeWin.document.close();
//    }catch(x){
//    }
//    dict_old_word = '';
//    dict_iframe.src='http://bbs.dict.cn/vocabulary.php?mini=1&word='+word;
//}

function dictMove(e){
    if(dict_moving==2) {
        dictGetPos(e);
        dict_x = dict_x-dict_startx+dict_cx;
        dict_y = dict_y-dict_starty+dict_cy;
        if (document.documentElement.scrollWidth - dict_x < 262) {
            dict_x = document.documentElement.scrollWidth - 262;
        }
        dict_layer.style.left = dict_x+'px';
        dict_layer.style.top = dict_y+'px';
    }
    
}

function dictClose() {
    try
    {
        dict_moving = 0;
        dict_onmove = 0;
        dict_onlayer = 0;
    	dict_layer.style.display="none";
    	if(window.sf) sf();
    }
    catch (x)
    {
    }

}

function dictWCookie(name,value)
{
    var date=new Date();
    var now=date.getTime();
    date.setTime(now+365*24*60*60*1000);
    document.cookie=name+"="+value+"; path=/; expires="+date.toGMTString();
}

function dictRCookie(name)
{
    var cookie=String(document.cookie);
    var pos=cookie.indexOf(name+"=");
    if(pos!=-1){
        var end=cookie.indexOf("; ",pos);
        return cookie.substring(pos+name.length+1,end==-1?cookie.length:end);
    }
    return "";
}

function dictEnable(){
  if (dict_enable){
    dict_enable = false;
    dictWCookie("dictstate", '1');
  }else{
    dict_enable = true;
    dictWCookie("dictstate", '0');
  }
  dictUpdateStatus();
}

function dictUpdateStatus(){
  var el = document.getElementById('dict_status');
  if(el){
    el.innerHTML = dictStatus();
  }
}

function dictStatus(){
    if (dict_enable){
       return '[<a href="'+dict_help+'" title="查看划词翻译使用帮助" target="_blank">划词翻译</a>已<a href="javascript:dictEnable()" title="禁用划词翻译">开启</a>]';
    }else{
      return '[<a href="'+dict_help+'" title="查看划词翻译使用帮助" target="_blank">划词翻译</a>已<a href="javascript:dictEnable()" title="启用划词翻译">关闭</a>]';
    }
}