var onecount;
	onecount=0;
	subcat = new Array();
	
       	subcat[0] = new Array("--","专家");
		subcat[1] = new Array("专家姓名","专家");	
		subcat[2] = new Array("职称","专家");
		subcat[3] = new Array("研究领域","专家");
		subcat[4] = new Array("--","机构");
		subcat[5] = new Array("单位名称","机构");
		subcat[6] = new Array("所属省份","机构");
		subcat[7] = new Array("特色门诊","机构");
		subcat[8] = new Array("--","企业");
		subcat[9] = new Array("企业名称","企业");
		subcat[10] = new Array("主要产品","企业");
		//subcat[11] = new Array("--","产品");
		//subcat[12] = new Array("通用名称","产品");
		//subcat[13] = new Array("适用症","产品");
		//subcat[14] = new Array("产品简介","产品");
		//subcat[15] = new Array("经销商","产品");
		//subcat[16] = new Array("生产厂商","产品");
		
	onecount=17;
	function changelocation(locationid)
	{
        var i;
        document.dbform.SmallName.length = 0;
	 var locationid=locationid;
	 for (i=0;i < onecount; i++)
	 {
         if (subcat[i][1] == locationid)
	  {
          document.dbform.SmallName.options[document.dbform.SmallName.length] = new Option(subcat[i][0],subcat[i][2]);
	   }
        }
       }

	function searto(n)
       {
        if(document.dbform.Q.value==""||document.dbform.Q.value==" ")
        {
           alert("请您输入检索关键词！");
           document.dbform.Q.focus();
         }
        else 
        {        
          if(n==1)
          {
            document.dbform.submit();
           }
           else 
          { 
            if(document.dbform.SmallName.selectedIndex==0)
            {
              alert('请选择"'+document.dbform.DBName.value+'"查询的具体内容项！');
              document.dbform.SmallName.focus();
             }
            else
             document.dbform.submit();
           }
         }
       }
document.write('<table border="0" width="100%" align=center cellspacing="0" cellpadding="0"><form method="post" name="dbform" action="/showsearch2.asp"><tr><td width="100%" align=center valign="middle"><select name="DBName"  onChange="changelocation(document.dbform.DBName.options[document.dbform.DBName.selectedIndex].value)" size="1"><option value="专家">医疗专家</option><option value="机构">医疗机构</option><option value="企业">医疗企业</option><!--<option value="产品">医疗产品</option>--></select><br><select name="SmallName"><option value="--">--</option><option value="专家姓名">专家姓名</option><option value="职称">职称 </option><option value="研究领域">研究领域</option></select><br><input type="hidden" name="Qstr" value=""><input type="text" name="Q" size="10" value="" maxlength="50">&nbsp;<input type="button"  name="Submit1" value="搜索" class="submit" onclick="searto(1)"><!--&nbsp;<input type="button" name="Submit2" value="精" class="submit" onclick="searto(2))">--><table width="90%" border="0" height=10 cellpadding="0"  cellspacing="0"><tr><td></td></tr></table></td></form></tr></table>');