// Tab切换栏
function setTab(name, m, n) {
for (var i = 1; i <= n; i++) {
var menu = document.getElementById(name + i);
var showDiv = document.getElementById("cont_" + name + "_" + i);
menu.className = i == m ? "on" : "";
showDiv.style.display = i == m ? "block" : "none";
}
}
调用的时候这样调用: onmousedown='setTab("two",2,3)'