Ctrl+/
IE11
F11
ESC
PgUp
PgDn
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<SCRIPT language=JavaScript>
function sm(form){
e=document.supermail.mq.selectedIndex; //取下拉菜单的选定项
e=document.supermail.mq[e].value; //取选定项的值
username=document.supermail.username.value; //从表单中取用户名
password=document.supermail.password.value; //从表单中取密码
if(document.supermail.username.value==""){ //检查用户名是否为空
alert("请输入帐号!"); //如果为空则提示
document.supermail.username.focus(); //将提示符移到“用户名”输入框
return //退出
}
if(document.supermail.password.value==""){ //如果密码框为空
CSS代码...
JS代码...
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