document.write("<form action='LoginCheckUser.aspx' method='post'>");document.write("<tr> ");document.write("<td width='67' height='30' align='center'> 用户名：</td> ");document.write("<td width='110'><input class='form' id='username' type='text' maxLength='20' size='16' name='username' style='width: 125px' /></td>");document.write("<td width='86' align='center'><input id='loginBtn' type='image' src='image/bottom.gif'  onclick='return IsUserLogin();' /></td> ");document.write("</tr><tr> <td align='center' height='30' width='57'> 密&nbsp;&nbsp;&nbsp;&nbsp;码：</td>");document.write("<td width='110'><input class='form' id='password' type='password' maxlength='20' name='password' style='width: 125px' /></td><td width='86' align='center'> ");document.write("<a href='Register.aspx'><img src='image/reg2.gif' /></a></td></tr> ");document.write("</form> ")