var basenames = "peoplebbs";
		/*
		 *********************************************************************得到检索参数
		 */
		function trim(str) 
		{
			if (!str || str=="") 
				return "";
			while ((str.charAt(0)==' ') || (str.charAt(0)=='\n') || (str.charAt(0,1)=='\r')) 
				str=str.substring(1,str.length);
			while ((str.charAt(str.length-1)==' ') || (str.charAt(str.length-1)=='\n') || (str.charAt(str.length-1)=='\r')) 
				str=str.substring(0,str.length-1);
			return str;
		}
		function allchange()
		{
			var allchangeele = document.RMWSearch.ALLCHANGE;
			//选中或者是取消所有的选择
			var ssfweles = document.getElementsByName("SSFW");
			var ssfwele = false;
			var ssfwlist = "(";
			for(var i=0;i<ssfweles.length;i++)
			{
				ssfwele = ssfweles[i];
				ssfwele.checked = allchangeele.checked;
			}
		}
		function createXMLNode(key,value)
		{
			var sResult = "";
			sResult += "<"+key+">";
			sResult += "<![CDATA["+encode(value)+"]]>";
			sResult += "</"+key+">";
			return sResult;
		}
		
		//得到低级检索的参数列表
		function getParameter_DJ()
		{
			//2、得到用户输入的关键词，为空则不允许提交
			var keywordele = document.getElementById("names");
			var keyword = "";
			if(keywordele.value == "")
			{
				alert("请输入关键词，然后提交");
				return false;
			}
			keyword = keywordele.value;
			//3、得到用户检索的字段,默认为Title
			var searchfieldeles = document.getElementsByName("SearchField");
			var searchfieldele = false;
			var searchfield = "Title";
			for(var i=0;i<searchfieldeles.length;i++)
			{
				searchfieldele = searchfieldeles[i];
				if(searchfieldele.checked)
					searchfield = searchfieldele.value;
			}
			//分析检索字段是否为 专题检索，如果是，则设置数据库名称以及检索字段
			if(searchfield == "ZT")
			{
				basenames = "SPECIAL";
				searchfield = "SPECIALNAME";
				document.searchForm.action = "../ztsearch/zt_search.jsp";
			}
			//4、构造XML字符串<RMW><BASENAMES></BASENAMES><KEYWORD></KEYWORD><SEARCHFIELD></SEARCHFIELD></RMW>
			var xmllist = "";
			
			xmllist += "<RMW>";
			xmllist += createXMLNode("BASENAMES",basenames);
			xmllist += createXMLNode("ALLKEYWORD","");
			xmllist += createXMLNode("ALLINPUT","");
			xmllist += createXMLNode("ANYKEYWORD","");
			xmllist += createXMLNode("NOALLKEYWORD","");
			xmllist += createXMLNode("DATEFROM","");
			xmllist += createXMLNode("DATETO","");
			xmllist += createXMLNode("DOCTYPE","0");
			xmllist += createXMLNode("SORTFIELD","-INPUTTIME");
			xmllist += createXMLNode("ZNKZ","0");
			xmllist += createXMLNode("KEYWORD",keyword);
			xmllist += createXMLNode("SEARCHFIELD",searchfield);
			xmllist += "</RMW>";
			document.searchForm.XMLLIST.value = xmllist;
			document.searchForm.submit();
		}