<a href="#" id=link1 onclick="aaa('a1','a2');this.style.color='red';link2.style.color='black'"> 基本信息</a>
<a href="#" id=link2 onclick="aaa('a2','a1'));this.style.color='red';link1.style.color='black'" class="titletd">细节信息</a>
<a href="#" id=link2 onclick="aaa('a2','a1'));this.style.color='red';link1.style.color='black'" class="titletd">细节信息</a>
a.hover{color:red;}
a:link{
color:#000000;text-decoration:none;
}
a:visited{
color:#000000;text-decoration:none;
}
a:active{
color:#666666;text-decoration:none;
}
a:hover{
color:#ff0000;text-decoration:none;
}
</style>