var ua = navigator.userAgent.toLowerCase();
var divw=0;
var divh=0;

if (document.getElementById || document.all)
	document.write('<div id="imgtrailer" style="position:absolute;visibility:hidden;"></div>')

function gettrailobject()
	{
	if (document.getElementById)
		return document.getElementById("imgtrailer")
	else if (document.all)
		return document.all.trailimagid
	}

function gettrailobj()
	{
	if (document.getElementById)
		return document.getElementById("imgtrailer").style
	else if (document.all)
		return document.all.trailimagid.style
	}
	
function truebody()
	{
	return (!window.opera && document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
	}

function hidetrail()
	{
	document.onmousemove='';
	gettrailobj().visibility="hidden";
	}

function trailOn(thumbimg,imgtitle,imgscription,imgsize,filesize,credit,level,thw,thh)
	{
	if(ua.indexOf('opera') == -1 && ua.indexOf('safari') == -1)
		{
		gettrailobj().left="-500px";
		
		divthw = parseInt(thw) + 2;
		gettrailobject().innerHTML = '<table><tr><td><div style="background-color: #000000; layer-background-color: #000000; border: 1px solid #White; padding: 0pt; width:'+divthw+'px;"><div style="background-color: #FFFFFF; layer-background-color: #FFFFFF; border: 1px solid #000000; background-image: url(images/img_load.gif); background-repeat: no-repeat; background-position:center;"><center><img src="'+thumbimg+'" border="0" height="'+thh+'" width="'+thw+'"></center><div style="padding:3px; color: black;"><b>Phim: </b>'+imgtitle+'<br><b>Diễn viên: </b>'+imgscription+'<br></div></div></div></td></tr></table>';
		gettrailobj().visibility="visible";
		divw = parseInt(thw)+25;
		divh = parseInt(thh)+40;
		document.onmousemove=followmouse;
		}
	}

function followmouse(e)
	{
	var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth-15
	var docheight= truebody().clientHeight + truebody().scrollTop
		
	
	if(typeof e != "undefined")
	{
	if(docwidth < 15+e.pageX+divw)
		xcoord = e.pageX-divw-5;
	else
		xcoord = 15+e.pageX;
	if(docheight < 15+e.pageY+divh)
		ycoord = 15+e.pageY-Math.max(0,(divh + e.pageY - docheight - truebody().scrollTop - 30));
	else
		ycoord = 15+e.pageY;
	
	}
else if (typeof window.event != "undefined")
	{

	if(docwidth < 15+truebody().scrollLeft+event.clientX+divw)
		xcoord = truebody().scrollLeft-5+event.clientX-divw;
	else
		xcoord = truebody().scrollLeft+15+event.clientX;

	if(docheight < 15+truebody().scrollTop+event.clientY+divh)
		ycoord = 15+truebody().scrollTop+event.clientY-Math.max(0,(divh + event.clientY - docheight - 30));
	else
		ycoord = truebody().scrollTop+15+event.clientY;
	}
	
	// addmore
	
	if ((xcoord+divw)>docwidth) 
		xcoord = xcoord-(divw);
	else xcoord = xcoord;
	
	if ((ycoord+divh)>docheight) 
		ycoord = docheight-(divh);
	else ycoord = ycoord;
	
	gettrailobj().left=xcoord+"px"
	gettrailobj().top=ycoord+"px"
	
	}