// JavaScript Document
// JavaScript Document
var flashvars={}
var params={
menu:"false",
quality:"autohigh",
wmode:"opaque",
allowfullscreen:"true",
allowscriptaccess:"always",
allownetworking:"all",
FlashVars:"xml=/Html/ChangePic/4.xml"
}
var attributes={
id:"flashPlayer",
name:"flashPlayer"
}
swfobject.embedSWF("/flash/bcastr.swf", "showFlash", "284", "245", "9.0.0", "/flash/expressInstall.swf", flashvars, params, attributes);

function changepic()
{
var timenow=new Date().getTime();
document.getElementById("validateimg").src="/HiddenAdmin/validate.aspx?i="+timenow;
}
function checkform()
{
var getform=document.form1;
if(getform.txtusername.value=="")
{
alert("请输入学员登录名！");
getform.txtusername.focus();
return false;
}
if(getform.txtpwd.value=="")
{
alert("请输入学员登录密码！");
getform.txtpwd.focus();
return false;
}
if(getform.txtvalidate.value=="")
{
alert("请输入验证码！");
getform.txtvalidate.focus();
return false;
}
}