谁帮我看看这个是什么意思

<TR height=32>
                            <TD class=Link1
                              vAlign=center height="31">&nbsp;&nbsp;<img src=/main/template/3993/images/dot3.jpg>&nbsp;<a href="javascript:openArticl('/main/NEWS/groupNews/2008031341170.shtml');" ><b>?????????????</b></a></TD></TR>中间的这一句起了一个什么作用javascript:openArticl('/main/NEWS/groupNews/2008031341170.shtml');"