// preload images
if (document.images)
{
	label1 = new Image();
	label1.src = "img/label/1.jpg";
	
	label2 = new Image();
	label2.src = "img/label/2.jpg";
	
	label3 = new Image();
	label3.src = "img/label/3.jpg";
}

function timerpic(num)
{
	thetimer = setTimeout("imgturn(" + num + ")", 2000);
}

function imgturn(num)
{
	if (num == 4)
		num = 1;

	document.getElementById('labelpic').src = eval('label' + num + '.src');
	num = num + 1;
	timerpic(num);
}