var xmlHttp
<!----------Thu01------------------------------------------------------------------->
function showCustomer01(file)
{ 
var url=""+file+"";
xmlHttp=GetXmlHttpObject(stateChanged01)
xmlHttp.open("GET", url , true)
xmlHttp.send(null)
} 

function stateChanged01() 
{ 
if (xmlHttp.readyState==1 || xmlHttp.readyState==2)
{ 
document.getElementById("01").innerHTML='<center>SARA HITECH<br><br><img src="Images/nen/loading.gif" boder=0><br><br>Đang tải dữ liệu ...</center>   ';

} 

  else  if (xmlHttp.readyState==4 || xmlHttp.readyState=="200")
{ 
document.getElementById("01").innerHTML=xmlHttp.responseText 
window.status="Đã tải xong dữ liệu !";
}  

}

<!----------Thu02------------------------------------------------------------------->
function showCustomer02(file)
{ 
var url=""+file+"";
xmlHttp=GetXmlHttpObject(stateChanged02)
xmlHttp.open("GET", url , true)
xmlHttp.send(null)
} 

function stateChanged02() 
{ 
if (xmlHttp.readyState==1 || xmlHttp.readyState==2)
{ 
document.getElementById("02").innerHTML='<center>SARA HITECH<br><br><img src="Images/loading.gif" boder=0 width="16" height="16"><br><br>Đang tải dữ liệu ...</center>   ';

} 

  else  if (xmlHttp.readyState==4 || xmlHttp.readyState=="200")
{ 
document.getElementById("02").innerHTML=xmlHttp.responseText 
window.status="Đã tải xong dữ liệu !";
}  
}
<!----------Thu02------------------------------------------------------------------->

<!----------Thu03------------------------------------------------------------------->
function showCustomer03(file)
{ 
var url=""+file+"";
xmlHttp=GetXmlHttpObject(stateChanged03)
xmlHttp.open("GET", url , true)
xmlHttp.send(null)
} 

function stateChanged03() 
{ 
if (xmlHttp.readyState==1 || xmlHttp.readyState==2)
{ 
document.getElementById("03").innerHTML='<center>SARA HITECH<br><br><img src="Images/loading.gif" boder=0><br><br>Đang tải dữ liệu ...</center>   ';

} 

  else  if (xmlHttp.readyState==4 || xmlHttp.readyState=="200")
{ 
document.getElementById("03").innerHTML=xmlHttp.responseText 
window.status="Đã tải xong dữ liệu !";
}  
}
<!----------Thu03------------------------------------------------------------------->


<!----------LEC2------------------------------------------------------------------->
function showCustomer2(file)
{ 
var url=""+file+"";
xmlHttp=GetXmlHttpObject(stateChanged2)
xmlHttp.open("GET", url , true)
xmlHttp.send(null)
} 

function stateChanged2() 
{ 
if (xmlHttp.readyState==1 || xmlHttp.readyState==2)
{ 
document.getElementById("LEC2").innerHTML='<center>SARA HITECH<br><br><img src="Images/loading.gif" boder=0><br><br>Đang tải dữ liệu ...</center>';

} 

  else  if (xmlHttp.readyState==4 || xmlHttp.readyState=="200")
{ 
document.getElementById("LEC2").innerHTML=xmlHttp.responseText 
window.status="Da tai xong du lieu !";
}  
}

<!----------LEC2------------------------------------------------------------------->


<!----------ANHMINH------------------------------------------------------------------->
function showCustomer4(file)
{ 
var url=""+file+"";
xmlHttp=GetXmlHttpObject(stateChanged3)
xmlHttp.open("GET", url , true)
xmlHttp.send(null)
} 

function stateChanged3() 
{ 
if (xmlHttp.readyState==1 || xmlHttp.readyState==2)
{ 
document.getElementById("ANHMINH").innerHTML='<center>SARA HITECH<br><br><img src="Images/loading.gif" boder=0><br><br>Đang tải dữ liệu ...</center>  ';

} 

  else  if (xmlHttp.readyState==4 || xmlHttp.readyState=="200")
{ 
document.getElementById("ANHMINH").innerHTML=xmlHttp.responseText 
window.status="Da tai xong du lieu!";
}  
}
<!----------ANHMINH------------------------------------------------------------------->



<!----------LEC_B------------------------------------------------------------------->
function showCustomerLEC_B(file)
{ 
var url=""+file+"";
xmlHttp=GetXmlHttpObject(stateChangedLEC_B)
xmlHttp.open("GET", url , true)
xmlHttp.send(null)
} 

function stateChangedLEC_B() 
{ 
if (xmlHttp.readyState==1 || xmlHttp.readyState==2)
{ 
document.getElementById("LEC_B").innerHTML='<center>SARA HITECH<br><br><img src="Images/loading.gif" boder=0><br><br>Đang tải dữ liệu ...</center> ';

} 

  else  if (xmlHttp.readyState==4 || xmlHttp.readyState=="200")
{ 
document.getElementById("LEC_B").innerHTML=xmlHttp.responseText 
window.status="Da tai xong du lieu !";
}  
}
<!----------LEC_B------------------------------------------------------------------->

<!----------LEC-SEARCH------------------------------------------------------------------->
function showCustomerSEARCH(file)
{ 
var url=""+file+"";
xmlHttp=GetXmlHttpObject(stateChangedSEARCH)
xmlHttp.open("GET", url , true)
xmlHttp.send(null)
} 

function stateChangedSEARCH() 
{ 
if (xmlHttp.readyState==1 || xmlHttp.readyState==2)
{ 
document.getElementById("LECSEARCH").innerHTML='<center><br><br>SARA HITECH.Vn <br><br><img src="Images/loading.gif" boder=0 width="16" height="16"><br><br>Đang tìm kiếm ...</center>';

} 

  else  if (xmlHttp.readyState==4 || xmlHttp.readyState=="200")
{ 
document.getElementById("LECSEARCH").innerHTML=xmlHttp.responseText 
window.status="Da tai xong du lieu !";
}  
}

<!----------LEC-SEARCH------------------------------------------------------------------->

<!----------LEC-QSEARCH------------------------------------------------------------------->
function showCustomerQSEARCH(file)
{ 
var url=""+file+"";
xmlHttp=GetXmlHttpObject(stateChangedQSEARCH)
xmlHttp.open("GET", url , true)
xmlHttp.send(null)
} 

function stateChangedQSEARCH() 
{ 
if (xmlHttp.readyState==1 || xmlHttp.readyState==2)
{ 
document.getElementById("LECQSEARCH").innerHTML='<center><br><br>SARA HITECH <br><br><img src="Images/loading.gif" boder=0 width="16" height="16"><br><br>Dang tim kiem ...</center>';

} 

  else  if (xmlHttp.readyState==4 || xmlHttp.readyState=="200")
{ 
document.getElementById("LECQSEARCH").innerHTML=xmlHttp.responseText 
window.status="Đã tải xong dữ liệu !";
}  
}

<!----------LEC-QSEARCH------------------------------------------------------------------->

<!----------LEC-CALENDAR------------------------------------------------------------------->
function showCustomerCALENDAR(file)
{ 
var url=""+file+"";
xmlHttp=GetXmlHttpObject(stateChangedCALENDAR)
xmlHttp.open("GET", url , true)
xmlHttp.send(null)
} 

function stateChangedCALENDAR() 
{ 
if (xmlHttp.readyState==1 || xmlHttp.readyState==2)
{ 
document.getElementById("LECCALENDAR").innerHTML='<center><br><br>SARA HITECH<br><br><img src="Images/loading.gif" boder=0 width="16" height="16"><br><br>Đang tìm kiếm ...</center>';

} 

  else  if (xmlHttp.readyState==4 || xmlHttp.readyState=="200")
{ 
document.getElementById("LECCALENDAR").innerHTML=xmlHttp.responseText 
window.status="Đã tải xong dữ liệu !";
}  
}

<!----------LEC-CALENDAR------------------------------------------------------------------->


function GetXmlHttpObject(handler)
{ 
var objXmlHttp=null

if (navigator.userAgent.indexOf("Opera")>=0)
{
alert("This example doesn't work in Opera") 
return 
}
if (navigator.userAgent.indexOf("MSIE")>=0)
{ 
var strName="Msxml2.XMLHTTP"
if (navigator.appVersion.indexOf("MSIE 5.5")>=0)
{
strName="Microsoft.XMLHTTP"
} 
try
{ 
objXmlHttp=new ActiveXObject(strName)
objXmlHttp.onreadystatechange=handler 
return objXmlHttp
} 
catch(e)
{ 
alert("Error. Scripting for ActiveX might be disabled") 
return 
} 
} 
if (navigator.userAgent.indexOf("Mozilla")>=0)
{
objXmlHttp=new XMLHttpRequest()
objXmlHttp.onload=handler
objXmlHttp.onerror=handler 
return objXmlHttp
}
}