在下面这段代码中：
<td width= "72% " align= "left ">
<a href= "/bookshop/ShowBook " id= "gl1 " class= "glink " onMouseOver= "ehandler(event,menuitem1); "> 新书推荐 </a>
<a href= "# " id= "gl2 " class= "glink " onMouseOver= "ehandler(event,menuitem2); "> 科 技 </a>
<a href= "# " id= "gl3 " class= "glink " onMouseOver= "ehandler(event,menuitem3); "> 艺 术 </a>
<a href= "# " id= "gl4 " class= "glink " onMouseOver= "ehandler(event,menuitem4); "> 生 活 </a>
<a href= "# " id= "gl5 " class= "glink " onMouseOver= "ehandler(event,menuitem5); "> 社 会 </a>
<a href= "# " id= "gl6 " class= "glink " onMouseOver= "ehandler(event,menuitem6); "> 娱 乐 </a>
<a href= "# " id= "gl7 " class= "glink " onMouseOver= "ehandler(event,menuitem7); "> 教 育 </a>
</td>
href= "# "：是表示什么意思啊？
------解决方案--------------------
空就是本页
------解决方案--------------------
一般表示描点,如果没有定位就是打开当前页面,并且回到顶部