自动消失的消息提示(Js+Div实现)

var closetime;
2
3function showmsg(msg,showtime)
4{
5 var md=document.getElementById("msgdiv");
6 md.innerHTML =" "+msg+" ";
7 md.visibility = "visible";
8 if(closetime)window.clearTimeout(closetime);
9 closetime=setTimeout(hiddenmsg,showtime*1000);
10}
11
12function hiddenmsg()
13{
14 var md=document.getElementById("msgdiv");
15 md.innerHTML = "";
16 md.visibility = "hidden";
17}