document.write("<table border='0' cellpadding='0' cellspacing='0'><form method='Get' name='SearchForm' action='http://www.51kangai.com/chang/Search.asp'><tr><td height='28' align='center'><select name='Field' size='1'><option value='Title' selected>大肠癌标题</option><option value='Content'>大肠癌内容</option><option value='Author'>大肠癌作者</option><option value='Inputer'>录 入 者</option><option value='Keywords'>关键字</option><option value='ArticleID'>大肠癌ID</option></select>&nbsp;<select name='ClassID'><option value=''>所有栏目</option><option value='54'>大肠癌的病因</option><option value='55'>大肠癌的症状</option><option value='56'>大肠癌的诊断</option><option value='57'>大肠癌的治疗</option><option value='58'>大肠癌的预防</option><option value='91'>大肠癌的护理</option></select>&nbsp;<input type='text' name='keyword'  size='20' value='关键字' maxlength='50' onFocus='this.select();'>&nbsp;<input type='submit' name='Submit'  value=' 搜索 '></td></tr></form></table>");