var idx=0;
var preload=false;
var imgArray;
var doAnim=true;

function startAnim()
{
	if (!preload)
	{
		imgArray=new Array(2);
		imgArray[0]="images/logos/baptist-union.jpg";
		imgArray[1]="images/logos/default.jpg";

		preload=true;
	}

	//do the animation
	if (doAnim)
	{
		var anim=document.getElementById('anim');
		idx=(idx==0) ? 1 : 0;

		if (raoIsIE())
		{
			fadeIn(anim);
			anim.src=imgArray[idx];
			fadeOut(anim);
		}
		else
		{
			anim.src=imgArray[idx];
		}
	}
	
	setTimeout("startAnim()",6000);
}

function fadeIn(img)
{
	img.style.filter="blendTrans(duration=3)";
	//check filter not in progress
	if ((img.visibility != "visible") && (img.filters.blendTrans.status != 2))
	{
		img.filters.blendTrans.apply();
		img.style.visibility="visible";
		img.filters.blendTrans.play();
	}
}

function fadeOut(img)
{
	img.style.filter="blendTrans(duration=3)";
	//check filter not in progress
	if ((img.visibility != "hidden") && (img.filters.blendTrans.status != 2))
	{
		img.filters.blendTrans.apply();
		img.style.visibility="hidden";
		img.filters.blendTrans.play();
	}
}

function animStopStart(el)
{
	if (doAnim)
	{
		doAnim=false;
		el.title="Click here to resume the animation";
	}
	else
	{
		doAnim=true;
		el.title="Click here to stop the animation";
	}
}