img2 = new Image()

seconds = "3";

function imgOne()
{
	setTimeout("imgTwo()", seconds * 1000);
}
function imgTwo()
{
	document.myimg.src = '/images/support1.jpg';
	setTimeout("imgThree()", seconds * 1000);
}
function imgThree()
{
	document.myimg.src = '/images/support3.jpg';
	setTimeout("imgFour()", seconds * 1000);
}
function imgFour()
{
	document.myimg.src = '/images/support4.jpg';
	setTimeout("imgOne()", seconds * 1000);
}