document.write("<td width='50' align='right'>用户名：</td><td width='91'><label><input name='username' type='text' id='username' size='12' /></label></td><td width='40' align='right'>密码：</td><td width='77'><input name='password' type='password' id='password' size='10' /></td><td width='101' align='center'><label><select name='usertype' id='usertype'><option value='1' selected>律师会员</option><option value='2'>律所会员</option><option value='5'>公众会员</option></select></label></td><td width='66' align='center'><input name='image' type='image' src='/images/denglu.jpg' width='51' height='25' /></td>");