function loadmedia_tht(url, containerid)
{
var page_request = false
if (window.XMLHttpRequest) // if Mozilla, Safari etc
page_request = new XMLHttpRequest()
else if (window.ActiveXObject)
{ // if IE
try 
{
page_request = new ActiveXObject("Msxml2.XMLHTTP")
} 
catch (e)
{
try
{
page_request = new ActiveXObject("Microsoft.XMLHTTP")
}
catch (e){}
}
}
else
return false

page_request.onreadystatechange=function(){

if(page_request.readyState != 4 )
{
document.getElementById(containerid).innerHTML = '<center><img src="images/load.gif" border=0><br>&nbsp;<font face="Arial" size="1pt" color="#000080">Đang tải dữ liệu. Xin vui lòng chờ trong giây lát...<br>Nếu đợi quá 1 phút xin vui lòng nhấn phím <b>F5</b></a></font>';
return false;
}
else 
{
document.getElementById(containerid).innerHTML=page_request.responseText
}

}
page_request.open('GET', url, true)
page_request.send(null)
}



function loadmedia_tht1(url, containerid)
{
var page_request1 = false
if (window.XMLHttpRequest) // if Mozilla, Safari etc
page_request1 = new XMLHttpRequest()
else if (window.ActiveXObject)
{ // if IE
try 
{
page_request1 = new ActiveXObject("Msxml2.XMLHTTP")
} 
catch (e)
{
try
{
page_request1 = new ActiveXObject("Microsoft.XMLHTTP")
}
catch (e){}
}
}
else
return false

page_request1.onreadystatechange=function(){


if((page_request1.readyState == 1) || (page_request1.readyState == 2))
{
document.getElementById(containerid).innerHTML = '<center><img src="images/load.gif" border=0><br>&nbsp;<font face="Arial" size="1pt" color="#000080">Đang tải dữ liệu. Xin vui lòng chờ trong giây lát...<br>Nếu đợi quá 1 phút xin vui lòng nhấn phím <b>F5</b></a></font>';
return false;
}
else if(page_request1.readyState == 4)
{
document.getElementById(containerid).innerHTML=page_request1.responseText
}

}
page_request1.open('GET', url, true)
page_request1.send(null)
}