// For BANNER SCROLL script
var bNetscape4plus = (navigator.appName == "Netscape" && navigator.appVersion.substring(0,1) >= "4");
var bExplorer4plus = (navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.substring(0,1) >= "4");
function CheckUIElements(){
var yMenuFrom, yMenuTo, yButtonFrom, yButtonTo, yOffset, timeoutNextCheck;
if ( bNetscape4plus ) {
yMenuFrom = document["gotop"].top;
yMenuTo = top.pageYOffset + 132; // gotop Layer 's First position
}
else if ( bExplorer4plus ) {
yMenuFrom = parseInt (gotop.style.top, 10);
yMenuTo = document.body.scrollTop + 132; // gotop Layer 's First position
}
timeoutNextCheck = 10;
if ( yMenuTo + eval(gotop.style.height.substring(0,gotop.style.height.length-2)) >= document.body.scrollHeight)
{
yMenuTo = document.body.scrollHeight - eval(gotop.style.height.substring(0,gotop.style.height.length-2)) - 5;
}
if ( Math.abs (yButtonFrom - (yMenuTo + 152)) < 6 && yButtonTo < yButtonFrom ) {
setTimeout ("CheckUIElements()", timeoutNextCheck);
return;
}
if ( yButtonFrom != yButtonTo ) {
yOffset = Math.ceil( Math.abs( yButtonTo - yButtonFrom ) / 5 );
if ( yButtonTo < yButtonFrom )
yOffset = -yOffset;
if ( bNetscape4plus )
document["divLinkButton"].top += yOffset;
else if ( bExplorer4plus )
divLinkButton.style.top = parseInt (divLinkButton.style.top, 10) + yOffset;
timeoutNextCheck = 10;
}
if ( yMenuFrom != yMenuTo ) {
yOffset = Math.ceil( Math.abs( yMenuTo - yMenuFrom ) / 5 );
if ( yMenuTo < yMenuFrom )
yOffset = -yOffset;
if ( bNetscape4plus )
document["gotop"].top += yOffset;
else if ( bExplorer4plus )
gotop.style.top = parseInt (gotop.style.top, 10) + yOffset;
timeoutNextCheck = 10;
}
setTimeout ("CheckUIElements()", timeoutNextCheck);
}
function OnLoad()
{
var y;
if ( top.frames.length )
if ( bNetscape4plus ) {
document["gotop"].top = top.pageYOffset ;
document["gotop"].visibility = "visible";
}
else if ( bExplorer4plus ) {
gotop.style.top = document.body.scrollTop ;
gotop.style.visibility = "visible";
}
CheckUIElements();
return true;
}
//OnLoad();
function Validate() {
if( document.loginform.userId.value.length == 0 ) {
alert("Vui lòng điền tên truy nhập!");
document.loginform.userId.focus();
return( false );
}
/*
if (document.loginform.userId.value.length < 5 || document.loginform.userId.value.length > 20) {
alert("ID should be between 5 and 20 characters.");
document.loginform.userId.focus();
return false;
}
*/
if( document.loginform.password.value.length == 0 ) {
alert("Nhập mật khẩu");
document.loginform.password.focus();
return( false );
}
/*
if( document.loginform.password.length < 4 || document.loginform.password.length > 20) {
alert("The password should be between 4 and 20 characters.");
document.loginform.password.focus();
return;
}
*/
return( true );
}
function signIn() {
if(Validate() == true) {
//document.loginform.submit();
return true;
}
return false;
}
function goFocus() {
document.loginform.userId.value = '';
}
-->
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