/**
-
Created by Administrator on 2018/10/16.
*/
window.onload=function(){
var o_username=document.getElementById("username");
var o_password=document.getElementById("password");
o_username.onfocus=function () {
o_username.setAttribute("style","background-image:none;");
}
o_username.onblur=function () {
o_username.setAttribute("style","background-image: url('img/b.jpg')");
}o_password.onfocus=function () {
o_password.setAttribute("style","background-image:none;");
}
o_password.onblur=function () {
o_password.setAttribute("style","background-image: url('img/c.jpg')");
}
}
