document.write('            ')
document.write(' <font color="#FFFFFF"> 全站搜索：</font><input type="text" name="keyword" size="17">')
document.write('  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;')
document.write('<select name="condition">')
document.write('    <option value="title" selected>标题</option>')
document.write('    <option value="content">全文</option>')
document.write('    <option value="author">作者</option>')
document.write('  </select>')
document.write('&nbsp;&nbsp;<input type="submit" name="Submit" value="搜索">')