//Uncomment the next line for random transition rollover each time the page is loaded
document.write('<STYLE TYPE="text/css">.imgTrans{ filter:revealTrans(duration=1, transition='+Math.floor(Math.random()*23)+') }</STYLE>');

//Uncomment the next line for a specific transition rollover (transition=0 to 23)
//document.write('<STYLE TYPE="text/css">.imgTrans{ filter:revealTrans(duration=1,transition=2) }</STYLE>');

//Uncomment the next line for fading rollovers
//document.write('<STYLE TYPE="text/css">.imgTrans{ filter:blendTrans(duration=1) }</STYLE>');

var onImages=new Array();
function Rollover(imgName, imgSrc)
{
	onImages[imgName] = new Image();
	onImages[imgName].src = imgSrc;
}
function turnOn(imgName) 
{ 
	if(document.images[imgName].filters != null)
		document.images[imgName].filters[0].stop();
	document.images[imgName].offSrc = document.images[imgName].src;
	document.images[imgName].src    = onImages[imgName].src;
} 
function turnOff(imgName) 
{ 
	if(document.images[imgName].filters != null)
		document.images[imgName].filters[0].apply();
	document.images[imgName].src = document.images[imgName].offSrc;
	if(document.images[imgName].filters != null)
		document.images[imgName].filters[0].play();
} 
Rollover("ngo",    "images/ngo_on.gif");
Rollover("thomoi",   "images/thomoi_on.gif");
Rollover("thoque",  "images/thoque_on.gif");
Rollover("thotinh", "images/thotinh_on.gif");
Rollover("thoxuan", "images/thoxuan_on.gif");
Rollover("vnphoto",    "images/vnphoto_on.gif");
Rollover("camtac",   "images/camtac_on.gif");
Rollover("suutam",  "images/suutam_on.gif");
Rollover("diendan", "images/diendan_on.gif");
Rollover("download",    "images/download_on.gif");
Rollover("link",   "images/link_on.gif");
Rollover("guestbook",  "images/guestbook_on.gif");