//	Author: santhosh.shanmugasundaram@oracle.com
// 	Created Date: 3.9.2009
//	Revisions: v 1.0
/* Start Rotating banner code */

active = Math.floor(Math.random()*2);
var arrayLength = 2;
k = 1;
var fadeinTimer,fadeoutTimer,hideTimer;

function animate(i,interaction)
{
	clearTimeout(fadeinTimer);
	clearTimeout(fadeoutTimer);
	clearTimeout(hideTimer);
	if(interaction=="first")
	{
		fadeIn(i);
		active = i;
		k = active;
	    timerID = setInterval("autorotator()",7000);
	}
	if(interaction==true)
	{	
		timerID=clearInterval(timerID);
	}
	if(active!=i)
	{
		fadeOut(active);
		fadeIn(i);
		active = i;
	}
	if(interaction==true)
	{
		k = active;
		timerID = setInterval("autorotator()",7000);
	}
}

function autorotator()
{
	animate(k,false);
	if(k!=1)
	{
		k=k+1;
	}
	else
	{
		k =0;
	}
}

function getElm(eID) {
	return document.getElementById(eID);
}
function show(eID) {
	getElm(eID).style.display='block';
}
function hide(eID) {
	getElm(eID).style.display='none';
}
function setOpacity(eID, opacityLevel) {
	var eStyle = getElm(eID).style;
	eStyle.opacity = opacityLevel / 100;
	eStyle.filter = 'alpha(opacity='+opacityLevel+')';
}
function fadeIn(eID) {
	setOpacity(eID, 0); show(eID); var timer = 0;
	for (var i=1; i<=100; i++) {
		fadeinTimer = setTimeout("setOpacity('"+eID+"',"+i+")", timer * 5);
		timer++;
	}
}
function fadeOut(eID) {
	var timer = 0;
	for (var i=100; i>=1; i--) {
		fadeoutTimer = setTimeout("setOpacity('"+eID+"',"+i+")", timer * 3);
		timer++;
	}
	hideTimer = setTimeout("hide('"+eID+"')", 500);
}
/* End Rotating banner code */