window.onscroll = window_onscroll;
function window_onscroll()
{
	scroll_box('shoppingbasket', 0)
	scroll_box('cataloguetype', 120)
}
function scroll_box(div, toppad)
{
	var el = document.getElementById(div);

	el.style.position = 'absolute'; 
	el.style.margin = toppad + 'px 0 0 762px'; 
	
	var s;
	if (self.pageYOffset){s = self.pageYOffset;}
	else if (document.documentElement && document.documentElement.scrollTop) {	s = document.documentElement.scrollTop; }
	else if (document.body) {	s = document.body.scrollTop; }
	
	el.style.marginTop = (s < (-160+toppad)) ? (160-50+toppad) + 'px' : (s + 0+toppad) + 'px';
}