document.write("<table border='0' cellpadding='0' cellspacing='0'><form method='Get' name='SearchForm' action='http://www.51kangai.com/weiai/Search.asp'><tr><td height='28' align='center'><select name='Field' size='1'><option value='Title' selected>胃癌标题</option><option value='Content'>胃癌内容</option><option value='Author'>胃癌作者</option><option value='Inputer'>录 入 者</option><option value='Keywords'>关键字</option><option value='ArticleID'>胃癌ID</option></select>&nbsp;<select name='ClassID'><option value=''>所有栏目</option><option value='19'>胃癌的病因</option><option value='20'>胃癌的症状</option><option value='21'>胃癌的诊断</option><option value='22'>胃癌的治疗</option><option value='23'>胃癌的预防</option><option value='84'>胃癌的护理</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>");