// JavaScript Document
//Banner thay doi
var bannerAD=new Array();
var bannerADlink=new Array();
var bannerADtitle=new Array();

var adNum=0;

bannerAD[0]="_images/banner1.jpg";
bannerADlink[0]="";
bannerADtitle[0]="";

bannerAD[1]="_images/banner2.jpg";
bannerADlink[1]="";
bannerADtitle[1]="";

bannerAD[2]="_images/banner3.jpg";
bannerADlink[2]="";
bannerADtitle[2]="";


var preloadedimages=new Array();
for (i=1;i<2;i++){
	preloadedimages[i]=new Image();
	preloadedimages[i].src=bannerAD[i];
}

function setTransition(){
	if (document.all){
		//bannerADrotator.filters.revealTrans.Transition=Math.floor(Math.random()*23);
		bannerADrotator.filters[0].apply();
	}
}

function playTransition(){
   if (document.all)
	  bannerADrotator.filters[0].play()
}


function nextAd(){
	if(adNum<bannerAD.length-1)adNum++ ;
		else adNum=0;
	setTransition();
	document.images.bannerADrotator.src=bannerAD[adNum];
	playTransition();
	theTimer=setTimeout("nextAd()", 10000);
}

function jump2url(){
	jumpUrl=bannerADlink[adNum];
	jumpTarget='_self';
	if (jumpUrl != ''){
		if (jumpTarget != '')window.open(jumpUrl,jumpTarget);
		else location.href=jumpUrl;
	}
}
function displayStatusMsg() { 
	status=bannerADtitle[adNum];
	document.returnValue = true;
}
// Ket thuc Banner

//Show Tip
var offsetfromcursorX = 12;
var offsetfromcursorY = 10;
var offsetdivfrompointerX = 10;
var offsetdivfrompointerY = 14;

document.write('<div id="dhtmltooltip"></div>');
document.write('<img id="dhtmlpointer" src="../_images/tooltiparrow.gif">');

var ie = document.all;
var ns6 = document.getElementById && ! document.all;
var enabletip = false;

if (ie || ns6)
	var tipobj = document.all ? document.all["dhtmltooltip"] : document.getElementById ? document.getElementById("dhtmltooltip") : "";

var pointerobj = document.all ? document.all["dhtmlpointer"] : document.getElementById ? document.getElementById("dhtmlpointer") : "";

function ietruebody() {
	return (document.compatMode && document.compatMode != "BackCompat") ? document.documentElement : document.body;
}

function showtip(thetext, thewidth, thecolor) {
	if (ns6 || ie) {
		if (typeof thewidth != "undefined")
			tipobj.style.width = thewidth + "px";
		if (typeof thecolor != "undefined" && thecolor != "")
			tipobj.style.backgroundColor = thecolor;
		tipobj.innerHTML = thetext;
		tipobj.onmouseout = hidetip;
		enabletip = true;
		return false;
	}
}

function positiontip(e) {
	if (enabletip) {
		var nondefaultpos = false;
		var curX = (ns6) ? e.pageX : event.clientX + ietruebody().scrollLeft;
		var curY = (ns6) ? e.pageY : event.clientY + ietruebody().scrollTop;
		
		var winwidth = ie && ! window.opera ? ietruebody().clientWidth : window.innerWidth - 20;
		var winheight = ie && ! window.opera ? ietruebody().clientHeight : window.innerHeight - 20;

		var rightedge = ie && ! window.opera ? winwidth - event.clientX - offsetfromcursorX : winwidth - e.clientX - offsetfromcursorX;
		var bottomedge = ie && ! window.opera ? winheight - event.clientY - offsetfromcursorY : winheight - e.clientY - offsetfromcursorY;

		var leftedge = (offsetfromcursorX < 0) ? offsetfromcursorX * (- 1) : - 1000;

		if (rightedge < tipobj.offsetWidth) {
			tipobj.style.left = curX - tipobj.offsetWidth + "px";
			nondefaultpos = true;
		}
		else if (curX < leftedge)
			tipobj.style.left = "5px";
		else {
			tipobj.style.left = curX + offsetfromcursorX - offsetdivfrompointerX + "px";
			pointerobj.style.left = curX + offsetfromcursorX + "px";
		}

		if (bottomedge < tipobj.offsetHeight) {
			tipobj.style.top = curY - tipobj.offsetHeight - offsetfromcursorY + "px";
			nondefaultpos = true;
		}
		else {
			tipobj.style.top = curY + offsetfromcursorY + offsetdivfrompointerY + "px";
			pointerobj.style.top = curY + offsetfromcursorY + "px";
		}

		tipobj.style.visibility = "visible";

		if (! nondefaultpos)
			pointerobj.style.visibility = "visible";
		else
			pointerobj.style.visibility = "hidden";
	}
}

function hidetip() {
	if (ns6 || ie) {
		enabletip = false;
		tipobj.style.visibility = "hidden";
		pointerobj.style.visibility = "hidden";
		tipobj.style.left = "-1000px";
		tipobj.style.backgroundColor = '';
		tipobj.style.width = '';
	}
}

if ( typeof window.addEventListener != "undefined" )
document.addEventListener( "mousemove", positiontip, false );
else if ( typeof window.attachEvent != "undefined" )
document.attachEvent( "onmousemove", positiontip );
else {
if ( document.onmousemove != null ) {
var oldOnmousemove = document.onmousemove;
document.onmousemove = function ( e ) {
oldOnmousemove( e );
positiontip(e);
};
}
else
document.onmousemove = positiontip;
}