// JScript 文件
function Check1()
{
    var url = document.getElementById("main");
    url.src = "index.aspx";   
    var a=document.getElementById("index");
    a.src="images/shouye.gif";
//    var b=document.getElementById("zixun");
//    b.src="images/anniu02.gif";
}
function Check2()
{
    var url = document.getElementById("main");
    url.src = "index.aspx";
    var a=document.getElementById("zixun");
    a.src="images/zixun.gif";
}