var slideTime = 500;
var floatAtBottom = true;

function StartFloat()
	{
		winOnResize(); // set initial position
		xAddEventListener(window, 'resize', winOnResize, false);
		xAddEventListener(window, 'scroll', winOnScroll, false);
	}

function winOnResize() {
	xWidth('floater1', xClientWidth());
	winOnScroll(); // initial slide
}
			
function winOnScroll() {
var y = xScrollTop();
	if (floatAtBottom) {
			y += xClientHeight() - xHeight('floater1');
		}
		xSlideTo('floater1', 0, y, slideTime);
}