text: function displayAbbreviations() {
  	if(!document.getElementsByTagName) return false;
  	if(!document.createElement) return false;
  	if(!document.createTextNode) return false;
  
  	//	取得所有缩略词
  	var abbreviations = document.getElementsByTagName('abbr');
  	if(abbreviations.length < 1) return false;
  	var defs = new Array();
  	//	遍历这些缩略词
  	for(var i = 0; i < abbreviations.length; i++) {
  		var current_abbr = abbreviations[i];
  		if(current_abbr.childNodes.length < 1) continue;
  		var definition = current_abbr.getAttribute('title');
  		var key = current_abbr.lastChild.nodeValue;
  		defs[key] = definition;
  	}
  
  	//	创建定义列表
  	var dlist = document.createElement('dl')
  	//	便利定义
  	for(key in defs) {
  		var definition = defs[key];
  		//	创建定义标题
  		var dtitle = document.createElement('dt');
  		var dtitle_text = document.createTextNode(key);
  		dtitle.appendChild(dtitle_text);
  		//	创建定义描述
  		var ddesc = document.createElement('dd');
  		var ddesc_text = document.createTextNode(definition);
  		ddesc.appendChild(ddesc_text);
  		//	把他们添加到定义列表
  		dlist.appendChild(dtitle);
  		dlist.appendChild(ddesc);
  	}
  	if(dlist.childNodes.length < 1) return false;
  
  	//	创建标题
  	var header = document.createElement('h2');
  	var header_text = document.createTextNode('Abbreviations');
  	header.appendChild(header_text);
  
  	//	把标题添加到页面主体
  	document.body.appendChild(header);
  	document.body.appendChild(dlist);
  }
  
  addLoadEvent(displayAbbreviations);