function hiddenlayer()
{
	document.getElementById("divMenu").style.visibility="hidden";
}
function selectLayer(i)
{
switch(i)
{
case 1:
document.getElementById("m1").src="images/gg.jpg";
document.getElementById("m2").src="images/jz.jpg";
document.getElementById("gonggao2").style.display="block";
document.getElementById("gonggao21").style.display="none";
break;
case 2:
document.getElementById("m1").src="images/gg_1.jpg";
document.getElementById("m2").src="images/jz_1.jpg";
document.getElementById("gonggao21").style.display="block";
document.getElementById("gonggao2").style.display="none";
break;
}
}
var layerTime=1;
function selectLayerTime()
{	
if(layerTime==1){
selectLayer(layerTime);
layerTime=2;
}else{
selectLayer(layerTime);
layerTime=1;
}
}
function MM_jumpMenu(targ,selObj,restore){ //v3.0
eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
if (restore) selObj.selectedIndex=0;
}


function maillogin(){
	var username=document.login.MailUser.value;
	var password=document.login.MailPass.value;

	if(username=="") return false;
	else if(password=="") return false;

	var domainurl="419.com.cn";
	document.login.LoginName.value=username+"@"+domainurl;
	document.login.Password.value=password;
	document.login.submit();
	return true;
}