给按钮添加onclick="jump()" 

<script type="text/javascript"> var jump = function() { setTimeout("location.href='地址'", 3000);
        } </script>

target="_blank"新窗口

<input  class="btn btn-large btn-block" name="" id="showText1" placeholder=" "  value="<?php echo $;?>"disabled  />不允许编辑