var userAgent, preciseUserAgent;
	if (navigator.userAgent.match(/Android|Adr|iPhone|SymbianOS|Windows Phone|iPad|iPod/i)) {
		userAgent = 'phone';
		if (document.querySelector('div.bd_body')) {
			preciseUserAgent = 'BlueDict';
		}
	} else {
		userAgent = 'pc';
		if (navigator.userAgent.match(/goldendict/i)) {
			preciseUserAgent = 'GoldenDict';
		} else {
			preciseUserAgent = 'Eudic';
		}
	}
	var root = document.querySelector('div#olect-wrapper');
	var headWordRoot = root.getAttribute('head-word-root-level');	
	if (localStorage) {
		var myStorage = localStorage;
	} else if (sessionStorage) {
		var myStorage = sessionStorage;
	} else {
		return;
	}

	var keyDown = false;
	document.onkeydown = function (e){
		if (e.keyCode == 17) { // 左ctrl键
			keyDown = true;
		}
	}
	document.onkeyup = function (e){
		if (e.keyCode == 17) { // 左ctrl键
			keyDown = false;
		}
	}
	
	AddEventListeners(root);
	function AddEventListeners (rootNode, embedded) {
		if (embedded || myStorage.getItem('OLECT_COLLAPSED')) {		
			var arrSections = rootNode.querySelectorAll(':scope>div.entry-content');
			for (var j=1; j<arrSections.length; j++) {
				arrSections[j].style.display = 'none';			
			}
		}
		var arrCtrlsExpand = rootNode.querySelectorAll('span.xr-g span.xh a');
		for (var i=0; i<arrCtrlsExpand.length; i++) {		
			arrCtrlsExpand[i].addEventListener('click', function (e) {
				var arrSections = this.parentNode.parentNode.parentNode.parentNode.parentNode.querySelectorAll(':scope>div.entry-content');
				var allShown = true;
				for (var j=0; j<arrSections.length; j++) {
					if (window.getComputedStyle(arrSections[j]).display == 'none') {
						allShown = false;
						break;
					}				
				}
				if (allShown) {
					return;
				}
				if(e.preventDefault) { // 阻止a标签点击跳转的默认行为
					e.preventDefault();
				} else {
					e.returnValue = false;
				}
				var id = /#.+$/.exec(this.getAttribute('href'))[0]; // GoldenDict 可能在点击a标签链接之后，href 属性值 #olect_take_0 变成 gdlookup://localhost?word=take&amp;group=8#olect_take_0
				this.setAttribute('href', id);
				var linkedNode = this.parentNode.parentNode.parentNode.parentNode.parentNode.querySelector(id);
				if (linkedNode) {
					var arrSibling = linkedNode.parentNode.querySelectorAll(':scope>div.entry-content:not(' + id + ')');
					for (var j=0; j<arrSibling.length; j++) {
						arrSibling[j].style.display = 'none';
					}
					if (linkedNode.style.display == 'block') {
						linkedNode.style.display = 'none';
					} else {
						linkedNode.style.display = 'block';
					}
				}
			});
		}
		
		var arrCtrlsHeadWords = rootNode.querySelectorAll('span.indece span.h');
		for (var i=0; i<arrCtrlsHeadWords.length; i++) {
			arrCtrlsHeadWords[i].addEventListener('click', function (e) {
				clearTimeout(timerToggleSections);
				var arrSections = this.parentNode.parentNode.querySelectorAll(':scope>div.entry-content');
				var allShown = true;
				for (var j=0; j<arrSections.length; j++) {
					if (window.getComputedStyle(arrSections[j]).display == 'none') {
						allShown = false;
						break;
					}				
				}
				for (var j=0; j<arrSections.length; j++) {
					if (allShown) {
						arrSections[j].style.display = 'none';
					} else {
						arrSections[j].style.display = 'block';
					}					
				}
				if (setStorageStatus) {
					if (allShown) {
						myStorage.setItem('OLECT_COLLAPSED', 'true');
					} else {
						myStorage.removeItem('OLECT_COLLAPSED');
					}
				}
			});
			arrCtrlsHeadWords[i].addEventListener('mousedown', function (e) {
				e.stopPropagation();
				setStorageStatus = false;
				timerToggleSections = setTimeout(ToggleSections(this), 1000);						
			});		
		}	
		var timerToggleSections;
		var setStorageStatus;
		function ToggleSections (ctrl) {
			return function() {
				setStorageStatus = true;
			}		
		}
	}









	

	var arrCtrlsAddExtra = root.querySelectorAll('sh-g span.see-also-opp');
	for (var i=0; i<arrCtrlsAddExtra.length; i++) {		
		arrCtrlsAddExtra[i].addEventListener('click', ResponseClick);
		if (userAgent == 'pc') {
			arrCtrlsAddExtra[i].addEventListener('mouseenter', ResponseMouseEnter);
			arrCtrlsAddExtra[i].addEventListener('mouseleave', ResponseMouseLeave);
		}
	}
	
	function ResponseClick (e) {
		e.stopPropagation();
		ProcessCenter(this, 'click');		
	}
	
	function ResponseMouseEnter (e) {
		e.stopPropagation();
		ProcessCenter(this, 'mouseenter');
	}
	
	function ResponseMouseLeave (e) {
		e.stopPropagation();
		ProcessCenter(this, 'mouseleave');
	}

	function ProcessCenter (This, cmd) {
		
		function AddExtraNode () {
			var content = dict[MapHeadWord(headWord)][dictIdx][2];
			reg = /^(?<prefix>.+?)olect_.+?(?<id>(#ID.+)?)$/i;
			matchObj = reg.exec(linkNodeHref);
			reg = /"entry:\/\/(?<link>[^<>]+?)"/ig;
			content = content.replace(reg, '"' + matchObj.groups.prefix + '$<link>' + matchObj.groups.id + '"'); 
			reg = /<sh-g(?<right>[^<>]*?>.+?<\/sh-g>)/ig;
			matches = content.match(reg);
			var extractedContent = "";
			for (var j=0; j<arrWordIdx.length; j++) {
				extractedContent += matches[parseInt(arrWordIdx[j], 10)];				
			}
			nodeExtraCurrentLevel = document.createElement('div');			
			nodeExtraCurrentLevel.setAttribute('word-index', linkNodeWordIdx);
			nodeExtraCurrentLevel.setAttribute('head-word', headWord);
			nodeExtraCurrentLevel.setAttribute('dict-idx', dictIdx);
			nodeExtraCurrentLevel.classList.add('extra-content');
			nodeExtraCurrentLevel.classList.add('hide-when-mouse-leave');
			nodeExtraCurrentLevel.innerHTML = MapEntryLink(extractedContent);
			InsertAfter(nodeExtraCurrentLevel, NodeExtraAddedAfter);
				
			var arrCtrlsExpandEntryNested = nodeExtraCurrentLevel.querySelectorAll('sh-container~i-g, sh-container~ifs-g-blk, sh-container~gr-blk, sh-container~r-blk');
			for (var k=0; k<arrCtrlsExpandEntryNested.length; k++) {		
				arrCtrlsExpandEntryNested[k].addEventListener('click', function (e) {
					e.stopPropagation();
					nodeExtraCurrentLevel.innerHTML = MapEntryLink(content); // 显示全部内容	
					var arrCtrlsAddExtra = nodeExtraCurrentLevel.querySelectorAll('sh-g span.see-also-opp');
					for (var i=0; i<arrCtrlsAddExtra.length; i++) {		
						arrCtrlsAddExtra[i].addEventListener('click', ResponseClick);
						if (userAgent == 'pc') {
							arrCtrlsAddExtra[i].addEventListener('mouseenter', ResponseMouseEnter);
							arrCtrlsAddExtra[i].addEventListener('mouseleave', ResponseMouseLeave);
						}
					}		
					//this.classList.add('hide-when-mouse-leave');				
				});
			}		
			
			var arrCtrlsAddExtraNested = nodeExtraCurrentLevel.querySelectorAll('sh-g span.see-also-opp');
			for (var k=0; k<arrCtrlsAddExtraNested.length; k++) {		
				arrCtrlsAddExtraNested[k].addEventListener('click', ResponseClick);
				if (userAgent == 'pc') {
					arrCtrlsAddExtraNested[k].addEventListener('mouseenter', ResponseMouseEnter);
					arrCtrlsAddExtraNested[k].addEventListener('mouseleave', ResponseMouseLeave);
				}
			}
			AddClickListenerToRemove(nodeExtraCurrentLevel);
			nodeExtraCurrentLevel.querySelector('sh-container sh').addEventListener('click', function (e) {
				e.stopPropagation();
				var div = GetNewEntriesNode(arrWordList);
				if (div) {
					nodeExtraCurrentLevel.innerHTML = '';
					nodeExtraCurrentLevel.appendChild(div);
				}
				
				var arrCtrlsAddExtra = nodeExtraCurrentLevel.querySelectorAll('sh-g span.see-also-opp');
				for (var j=0; j<arrCtrlsAddExtra.length; j++) {		
					arrCtrlsAddExtra[j].addEventListener('click', ResponseClick);
					if (userAgent == 'pc') {
						arrCtrlsAddExtra[j].addEventListener('mouseenter', ResponseMouseEnter);
						arrCtrlsAddExtra[j].addEventListener('mouseleave', ResponseMouseLeave);
					}
				}		
				//this.classList.add('hide-when-mouse-leave');
			});
		}
		
		var groupNode = This.parentNode.parentNode.parentNode; // 一个OPP组或SEE ALSO组的根
		var linkNode = groupNode.querySelector('xh a');
		var linkNodeWordList = linkNode.getAttribute('word-list');
		var arrWordList = linkNodeWordList.split('+');
		var linkNodeWordIdx = linkNode.getAttribute('word-index');
		var arrWordIdx = linkNodeWordIdx.split('+');
		var linkNodeHref = linkNode.getAttribute('href');		
		var reg = /\/olect_(?<headWord>[^\/_]+?)_(?<dictIdx>\d+)(#ID.+)?$/;		
		var matchObj = reg.exec(linkNodeHref);
		var headWord = matchObj.groups.headWord;
		var dictIdx = matchObj.groups.dictIdx;
		
		// 找到当前层级点击链接后插入节点的位置 NodeExtraAddedAfter，不会为null
		if (groupNode.parentNode.tagName.toLowerCase() == "xr-seea-blk") {
			var NodeExtraAddedAfter = groupNode.parentNode;
		} else {
			var NodeExtraAddedAfter = groupNode;
		}
		var nextElementSibling = NodeExtraAddedAfter.nextElementSibling;
		while (nextElementSibling && (nextElementSibling.tagName.toLowerCase() == "xr-seea-blk" || (nextElementSibling.tagName.toLowerCase() == "xr-blk" && nextElementSibling.getAttribute('xt') == 'opp' && nextElementSibling.getAttribute('xth') == 'opp'))) {
			NodeExtraAddedAfter = nextElementSibling;
			nextElementSibling = NodeExtraAddedAfter.nextElementSibling;
		}
		
		// 找到当前层级点击链接所指向的节点 nodeExtraCurrentLevel，如果该节点尚未插入不存在则其值为null
		var nodeExtraCurrentLevel = null;
		while (nextElementSibling && nextElementSibling.tagName.toLowerCase() == "div" && nextElementSibling.classList.contains('extra-content')) {
			if (nextElementSibling.getAttribute('word-index') == linkNodeWordIdx && nextElementSibling.getAttribute('head-word') == headWord && nextElementSibling.getAttribute('dict-idx') == dictIdx) {
				nodeExtraCurrentLevel = nextElementSibling;
				break;
			}
			nextElementSibling = nextElementSibling.nextElementSibling;
		}
		
		// 如果当前层级点击链接所指向的节点尚未插入，检查父级的每一个层级是否有相同内容节点, nodeExtraPresentUpperLever为检查结果
		var nodeExtraPresentUpperLever = false;
		if (!nodeExtraCurrentLevel) {
			var parentNode = groupNode.parentNode;
			var divEntryContent, sh_gTopmost;
			do {
				var nodeExtraPresentUpperLeverNonEmbedded = (parentNode.tagName.toLowerCase() == "div" && parentNode.classList.contains('extra-content') && parentNode.getAttribute('word-index') == linkNodeWordIdx && parentNode.getAttribute('head-word') == headWord && parentNode.getAttribute('dict-idx') == dictIdx);
				var nodeExtraPresentUpperLeverEmbedded = (parentNode.tagName.toLowerCase() == "div" && parentNode.classList.contains('extra-content') && parentNode.getAttribute('head-word-subroot-level') == headWord);
				//查询adequate，点击最上方句型和搭配中的level, 在level近义词组中找到scale, 点击full-scale=>detailed，再点击添加出来内容中 scale-level, 如果没有这里的nodeExtraPresentUpperLeverEmbedded，将再次添加重复内容scale的释义
				if (nodeExtraPresentUpperLeverNonEmbedded || nodeExtraPresentUpperLeverEmbedded) {
					nodeExtraPresentUpperLever = true;
					break;
				}						
				if (parentNode.tagName.toLowerCase() == 'sh-g') {
					sh_gTopmost = parentNode; // 最上层<sh-g>节点
				} else if (parentNode.tagName.toLowerCase() == 'div' || parentNode.classList.contains('entry-content')) {
					divEntryContent = parentNode; // 最上层div.entry-content节点
				}
				parentNode = parentNode.parentNode;	
			} while (parentNode != root)
			if (!nodeExtraPresentUpperLever) {
				if (sh_gTopmost.getAttribute('order-num') == linkNodeWordIdx) {
					var divEntryContentId = divEntryContent.getAttribute('id');
					var divEntryContentHeadWord = divEntryContentId.split('_')[1];
					var divEntryContentDictIdx = divEntryContentId.split('_')[2];
					if (divEntryContentHeadWord == headWord && divEntryContentDictIdx == dictIdx) {
						nodeExtraPresentUpperLever = true;
					}					
				}
			}	
		}		
		
		if (cmd == 'mouseenter') {
			if (nodeExtraCurrentLevel) {
				nodeExtraCurrentLevel.style.display = 'block';
				InsertAfter(nodeExtraCurrentLevel, NodeExtraAddedAfter);
			} else if (!nodeExtraPresentUpperLever) {
				AddExtraNode();
			} else {
				return;
			}			
		} else if (cmd == 'mouseleave') {
			if (nodeExtraCurrentLevel && nodeExtraCurrentLevel.classList.contains('hide-when-mouse-leave')) {
				nodeExtraCurrentLevel.style.display = 'none';
			}
		} else if (cmd == 'click') { // click时如果nodeExtraPresentUpperLever == true 则nodeExtraCurrentLevel == null
			if (nodeExtraCurrentLevel) {
				if (nodeExtraCurrentLevel.classList.contains('hide-when-mouse-leave')) {
					nodeExtraCurrentLevel.classList.remove('hide-when-mouse-leave');
					nodeExtraCurrentLevel.style.display = 'block';
					InsertAfter(nodeExtraCurrentLevel, NodeExtraAddedAfter); // 将节点排在最前且使之显示					
				} else {
					nodeExtraCurrentLevel.classList.add('hide-when-mouse-leave');
					nodeExtraCurrentLevel.style.display = 'none';
				}
			} else if (userAgent == 'phone' && !nodeExtraPresentUpperLever) {
				AddExtraNode();
				nodeExtraCurrentLevel.classList.remove('hide-when-mouse-leave'); // 若无此语句，添加节点之后第一次隐藏它需要单击两次		
			}
		}	
	}
	
	var arrSubEntry = root.querySelectorAll('sh-container sh, span.see-also-entry, cl-g x-blk cl');
	for (var i=0; i<arrSubEntry.length; i++) {		
		arrSubEntry[i].addEventListener('click', ReplyToSubEntryClick);
	}

	function ReplyToSubEntryClick (e) {
		e.stopPropagation();
		if (keyDown) {
			return;
		}		
		var headWord = this.innerHTML.toLowerCase().replace(/[ˌ,ˈ…\.]/, '').replace('ˈ', '');// 去掉同义词中的重音符号等, 因未知原因上撇号放在正则中无法被删除
		if (e.target.tagName.toLowerCase() == 'sh') { // 点击下方同义词词头链接
			var grandParent = this.parentNode.parentNode;
			var nextElementSibling = grandParent.nextElementSibling;
			if (nextElementSibling != null && nextElementSibling.tagName.toLowerCase() == 'div' && nextElementSibling.classList.contains('embedded-full-entry-added')) {
				if (nextElementSibling.style.display == 'none') {
					nextElementSibling.style.display = 'block';
				} else {
					nextElementSibling.style.display = 'none';
				}
			} else {				
				var div = GetNewEntriesNode([headWord]);
				if (div) {
					InsertAfter(div, grandParent);
				}
			}		
		} else if (e.target.tagName.toLowerCase() == 'span') { // 点击 See also the entries 中链接， 例词adequate，remove，可能有多个See also the entries for
			var grandParent = this.parentNode.parentNode.parentNode.parentNode;			
			headWord = this.parentNode.querySelector('xh a').innerHTML.toLowerCase().replace(/[ˌ,ˈ…\.]/, '').replace('ˈ', '');// 因未知原因上撇号放在正则中无法被删除
			var nextElementSibling = grandParent.nextElementSibling;
			if (nextElementSibling.tagName.toLowerCase() != 'div' || !nextElementSibling.classList.contains('embedded-full-entry-added')) {
				var arrHeadWords = [];
				var arrLinks = grandParent.querySelectorAll('xh a');
				for (var i=0; i<arrLinks.length; i++) {
					arrHeadWords.push(arrLinks[i].innerHTML.toLowerCase().replace(/[ˌ,ˈ…\.]/, '').replace('ˈ', ''));
				}
				nextElementSibling = GetNewEntriesNode(arrHeadWords);
				if (nextElementSibling) {
					InsertAfter(nextElementSibling, grandParent);
				} else {
					return;
				}
				var arrDivExtra = nextElementSibling.querySelectorAll(':scope > div.extra-content') // 嵌套生成的内容不算，故用scope>
				for (var i=0; i<arrDivExtra.length; i++) { // 例词adequate，remove，可能有多个See also the entries for
					arrDivExtra[i].style.display = 'none';
				}				
			}
			var arrDivExtra = nextElementSibling.querySelectorAll(':scope > div.extra-content') // 嵌套生成的内容不算，故用scope>
			for (var i=0; i<arrDivExtra.length; i++) { // 例词adequate，remove，可能有多个See also the entries for
				if (arrDivExtra[i].getAttribute('head-word-subroot-level') == headWord) {
					if (arrDivExtra[i].style.display == 'none') {
						arrDivExtra[i].style.display = 'block';
					} else {
						arrDivExtra[i].style.display = 'none';
					}
				} else {
					arrDivExtra[i].style.display = 'none';
				}
			}
		} else if (e.target.tagName.toLowerCase() == 'cl') {
			var grandParent = this.parentNode.parentNode.parentNode;
			var nextElementSibling = grandParent.nextElementSibling;
			var alreadyPresent = false;
			while (nextElementSibling.tagName.toLowerCase() == 'div' || nextElementSibling.classList.contains('embedded-full-entry-added')) {
				if (nextElementSibling.getAttribute('head-words') == headWord) {
					alreadyPresent = true;
					if (nextElementSibling.style.display == 'none') {
						nextElementSibling.style.display = 'block';
					} else {
						nextElementSibling.style.display = 'none';
					}					
				} else {
					nextElementSibling.style.display = 'none';
				}
				nextElementSibling = nextElementSibling.nextElementSibling;
			}
			if (!alreadyPresent) {
				var div = GetNewEntriesNode([headWord]);
				if (div) {
					InsertAfter(div, grandParent);
				}				
			}
		}			
	}

	function GetNewEntriesNode (arrHeadWords) { // 生成新节点，其内容是arrHeadWords中每个元素词头的释义之和
		var html = '';
		for (var i=0; i<arrHeadWords.length; i++) {
			if (!map[MapHeadWord(arrHeadWords[i])] || arrHeadWords[i] == headWordRoot) {
				continue;
			}
			html += '<div class="extra-content" head-word-subroot-level="' + arrHeadWords[i] + '">';
			html += map[MapHeadWord(arrHeadWords[i])][0];
			var arrEntryIdx = map[MapHeadWord(arrHeadWords[i])][1];			
			for (var j=0; j<arrEntryIdx.length; j++) {
				html += '<div class="entry-content embedded" id="olect_' + arrEntryIdx[j][0] + '_' + arrEntryIdx[j][1] + '">';
				if (!dict[MapHeadWord(arrEntryIdx[j][0])] || !dict[MapHeadWord(arrEntryIdx[j][0])][arrEntryIdx[j][1]] || !dict[MapHeadWord(arrEntryIdx[j][0])][arrEntryIdx[j][1]][2]) {
					return null;
				}
				var content = dict[MapHeadWord(arrEntryIdx[j][0])][arrEntryIdx[j][1]][2]; //dict[MapHeadWord(headWord)][dictIdx][2]
				var idx = GetEntryIndex(arrHeadWords[i], content);
				if (idx != -1) {
					var reg = /<syn>(?<right>.+?<\/syn>)/ig;
					matches = content.match(reg);
					var replacer = matches[idx].replace(reg, '<syn class="olect-selected-syn">$<right>');
					content = content.replace(matches[idx], replacer);					
					reg = new RegExp('<sh-g order-num="' + idx + '[^<>]*?">(?<right>.+?</sh-g>)','ig'); // 有两千多个<sh-g order-num="5" bord=="yes">这种形式的, 例词：force => control => force
					var nodeSh_g = reg.exec(content)[0];
					replacer = nodeSh_g.replace(reg, '<sh-g class="olect-selected-syn-content click-added" order-num="' + idx + '">$<right>');
					reg = /<sh(?<right> .+?<\/sh>)/ig; //有的同义词entry中有多个词，如base下的 locate, be located
					replacer = replacer.replace(reg, '<sh class="olect-selected-syn-below click-added"$<right>');
					content = content.replace(nodeSh_g, replacer);
				}
				html += content + '</div>';
			}
			html += '</div>';
		}
		if (html == '') {
			return null;
		}	
		var div = document.createElement("div");
		div.classList.add('embedded-full-entry-added');
		div.setAttribute("head-words", arrHeadWords.toString());		
		div.innerHTML = MapEntryLink(html);		
		var arrCtrlsExpansion = div.querySelectorAll(':scope>div.extra-content[head-word-subroot-level]');
		for (var i=0; i<arrCtrlsExpansion.length; i++) {
			AddEventListeners(arrCtrlsExpansion[i], 'true');
		}		
		var arrCtrlsAddExtra = div.querySelectorAll('sh-g span.see-also-opp');
		for (var i=0; i<arrCtrlsAddExtra.length; i++) {		
			arrCtrlsAddExtra[i].addEventListener('click', ResponseClick);
			if (userAgent == 'pc') {
				arrCtrlsAddExtra[i].addEventListener('mouseenter', ResponseMouseEnter);
				arrCtrlsAddExtra[i].addEventListener('mouseleave', ResponseMouseLeave);
			}
		}
		var arrSubEntry = div.querySelectorAll('sh-container sh, span.see-also-entry, cl-g x-blk cl');
		for (var i=0; i<arrSubEntry.length; i++) {		
			arrSubEntry[i].addEventListener('click', ReplyToSubEntryClick);
		}		
		AddClickListenerToRemove(div);
		return div;
	}
	
	function AddClickListenerToRemove (node) {
		node.addEventListener('click', function (e) { // 单击非指定链接的其他任意处，去除所有add的显示
			// e.stopPropagation(); 加入此语句将导致GoldenDict出错！
			if (keyDown ||
				e.target.tagName.toLowerCase() == 'a' ||
				(e.target.tagName.toLowerCase() == 'span' && e.target.classList.contains('see-also-opp')) ||
				e.target == this.querySelector('sh-container sh') ||
				(e.target.tagName.toLowerCase() == 'span' && e.target.classList.contains('h')) ||
				e.target.tagName.toLowerCase() == 'cl' ||
				e.target.tagName.toLowerCase() == 'sh-container~i-g' ||
				e.target.tagName.toLowerCase() == 'sh-container~ifs-g-blk' ||
				e.target.tagName.toLowerCase() == 'sh-container~gr-blk' ||
				e.target.tagName.toLowerCase() == 'sh-container~r-blk') {
				return;
			}
			//this.style.display = 'none';
			//this.classList.add('hide-when-mouse-leave');				
			this.parentNode.removeChild(this);				
		});
	}
	
	function MapEntryLink (content) {
		// 嵌套动态添加的内容可能有和之前重复相同的内容，而<syn><a href="#adequate_6">all right</a></syn>，<sh id="adequate_6" eid="adequate_6">all ˈright</sh> 这些标签中的href,id属性也会有重复相同，这将导致跳转错乱，故统一为动态添加的内容修改这些href,id属性的值		
		var randomId = '_' + parseInt(Math.random()* 10000);
		content = content.replace(/(?<link><syn( class="[^<>]+?")?><a href="#[^<>]+?)"/ig, '$<link>' + randomId + '"'); 
		content = content.replace(/(?<linked><sh (class="[^<>]+?" )?id="[^<>]+?)"/ig, '$<linked>' + randomId + '"');		
		content = content.replace(/(?<link><span class="xr-g".+?<span class="xh"><a href="#[^<>]+?)"/ig, '$<link>' + randomId + '"');
		content = content.replace(/(?<linked><div class="entry-content embedded" id="[^<>]+?)"/ig, '$<linked>' + randomId + '"');
		
		// 欧路和GoldenDict内部处理a标签跳转的方式不同
		if (preciseUserAgent = 'GoldenDict' || root.innerHTML.indexOf('gdlookup://localhost/') != -1) {
			return content.replace(/entry:\/\//gim, 'gdlookup://localhost/');
		} else if (root.innerHTML.indexOf('<a href="dic://') != -1 || /^ID\d+/.test(root.parentNode.parentNode.getAttribute('id'))) {			
			return content.replace(/"entry:\/\/(.+?)"/gim, '"dic://$1#' + root.parentNode.parentNode.getAttribute('id') + '"');
		}
	}
	
	// MapHeadWord函数是为了到dict对象中找到数据。Js语法对象的键不允许斜杠字符/，换成一个原headWord中不可能存在的字符，如这里的8；其他类似。Map方式要和C#程序中相同！
	function MapHeadWord (headWord) {
		return headWord.replace(/ /g, '0').replace(/\-/g, '_').replace(/\(/g, 'lftbrt').replace(/\)/g, 'rhtbrt').replace(/\//g, '8').replace(/'/g, 'olect_single_quotation').replace(/"/g, 'olect_double_quotation').replace(/™/g, 'olect_trademark');
	}
	
	function GetEntryIndex(headWord, content)
	{
		var idx = GetEntryIdx(headWord, content, "=");
		if (idx < 0)
		{
			idx = GetEntryIdx(headWord, content, "include");
		}
		if (idx < 0) { // 以下为特殊单词配对处理		
			var exceptionIdxList = {all_around:6, authority:0, balk:5, businessperson:1, caldron:5, cissy:2, cozy:1, darn:0, die:5, disk:2, draft:2, draught:2, drive:5, flier:6, forego:1, gaol:1, gipsy:1, homy:5, hostility:8, inquire:1, inquire0into:5, judgement:2, leave:5, moldy:3, phial:5, possibility:3, prize:5, sanitarium:5, sensibility:7, sherd:2, skeptical:1, skepticism:0, smolder:2, somebody:3, story:1, supply:0, syphon:4, tooth:3, trade:1, tzar:0, unsanitary:3, the0fine0print:7, the0snip:4, the0steal:5, the0chances0are:4, put8set0your0mind0at0rest:3, throw0down0the0guantlet:2, in0favour0of0sth:0, nerves:0, ease:0, inefficiency:1, including:0, inclusion:0, success:2, innocence:0, reassuring:0, disobedience:4, pessimism:5, insignificance:3, discreet:2, excluding:0, exclusion:0, immigrate:1, death:0, devotion:0, obedience:1, impatience:1, temporarily:1, humility:1, demolition:0, dissatisfaction:1, long:0, ancestor:6, believe:1, indiscretion:4};
			var headWordRevised = MapHeadWord(headWord);			
			if (exceptionIdxList[headWordRevised])
			{
				return exceptionIdxList[headWordRevised];
			} else {
				var exceptionWordChangeList = {despatch:'dispatch', foot:'feet', gage:'gauge', inquiry:'enquiry', maneuver:'manoeuvre', swop:'swap'};
				if (exceptionWordChangeList[headWord])
				{
					idx = GetEntryIndex(exceptionWordChangeList[headWord], content);
				}
			}
		}
		if (idx < 0)
		{
			;// 能找到则不会执行
		}
		return idx;
	}
		
	function GetEntryIdx(headWord, content, cmd)
	{
		headWord = headWord.toLowerCase().trim();
		var regSynWordLinkList = /<syn>(?<link><a href[^<>]+?>)(?<syn>.+?)<\/a><\/syn>/ig;
		var matchesSynWordLinkList = content.match(regSynWordLinkList);
		for (var i=0; i<matchesSynWordLinkList.length; i++)
		{
			regSynWordLinkList.lastIndex = 0;
			var matchObj = regSynWordLinkList.exec(matchesSynWordLinkList[i]);
			var syn = matchObj.groups.syn.toLowerCase().replace(/[ˌ,ˈ…\.]/, '').replace('ˈ', '');// 去掉同义词中的重音符号等, 因未知原因上撇号放在正则中无法被删除; 
			if (cmd == "=")
			{
				if (headWord == syn)
				{
					return i;
				}
			}
			else
			{
				if (FirstStringIncludesSecond(syn, headWord) || FirstStringIncludesSecond(headWord, syn))
				{
					return i;
				}
			}
		}
		var regSynWordEntryBelow = /<sh-g(?<right>[^<>]*?>.+?<\/sh-g>)/ig;
		var regSynWordSubEntryBelow = /<sh id="(?<id>.+?)"[^<>]+?>(?<syn>.+?)<\/sh>/ig;
		var matchesSynWordEntryBelow = content.match(regSynWordEntryBelow);
		for (var j=0; j<matchesSynWordEntryBelow.length; j++)
		{
			var matchesSynWordSubEntryBelow = matchesSynWordEntryBelow[j].match(regSynWordSubEntryBelow);
			for (var k=0; k<matchesSynWordSubEntryBelow.length; k++)
			{
				regSynWordSubEntryBelow.lastIndex = 0;
				var matchObj = regSynWordSubEntryBelow.exec(matchesSynWordSubEntryBelow[k]);
				var syn = matchObj.groups.syn.toLowerCase().replace(/[ˌ,ˈ…\.]/, '').replace('ˈ', '');// 去掉同义词中的重音符号等, 因未知原因上撇号放在正则中无法被删除; 
				if (cmd == "=")
				{
					if (headWord == syn)
					{
						return j;
					}
				}
				else
				{
					if (FirstStringIncludesSecond(syn, headWord) || FirstStringIncludesSecond(headWord, syn))
					{
						return j;
					}
				}
			}
		}
		return -1;
	}	
	
	function FirstStringIncludesSecond (first, second) {
		if (first.indexOf(second) != -1) // 例： headWord为attract， 同义词为be attracted to sb
		{
			return true;
		}
		var reg = /\/|-| /;
		var splitFirst = first.split(reg);
		var splitSecond = second.split(reg);
		var allIncluded = true;
		for (var i=0; i<splitSecond.length; i++)
		{
			if (splitFirst.indexOf(splitSecond[i]) == -1)
			{
				allIncluded = false;
				break;
			}
		}
		return allIncluded;		
	}
	
	function InsertAfter(newElement,targetElement) {
		var parentElement = targetElement.parentNode;
		if (parentElement.lastChild == targetElement) {
			parentElement.appendChild(newElement);
		}
		else {
			parentElement.insertBefore(newElement,targetElement.nextElementSibling); // 不能用nextSibling  ！！！
		}
	}
})();