function getNames2(obj,name,tij) 
{var p = document.getElementById(obj); 
var plist = p.getElementsByTagName(tij); 
var rlist = new Array(); 
for(i=0;i <plist.length;i++) 
{if(plist[i].getAttribute("name") == name) 
{ 
rlist[rlist.length] = plist[i]; 
} 
} 
return rlist; 
}

function butong_net2(obj, name) {

    setTimeout(function(a, b) {
        return function() {
            fun2(a, b);
        }
    }(obj, name), 500);
}//加入延迟500毫秒
var fun2 = function(obj, name) {
    var p = obj.parentNode.getElementsByTagName("td");
    var p1 = getNames2(name, "f2", "div");
    for (i = 0; i < p1.length; i++) {
        if (obj == p[i]) {
            p[i].className = "s2";
            p1[i].className = "dis2";
        } else {
            p[i].className = "";
            p1[i].className = "undis2";
        }
    }
}