function slideIt() {
	startY=startY+1;
	newPos='0 -' + startY + 'px';
	document.getElementById('theBody').style.backgroundPosition = newPos;
	}

function bubbler() {
if (window.XMLHttpRequest) {
// IE 7, mozilla, safari, opera 9
	setInterval("slideIt()",150);
} else {
// IE6, older browsers
}
}