function getScrollPos()
{
	//alert(window.pageYOffset + ", " + document.documentElement.scrollTop);
	if (typeof window.pageYOffset == 'undefined')
		return document.documentElement.scrollTop;
		
	if (typeof document.documentElement.scrollTop == 'undefined')
		return window.pageYOffset;
	
	if (window.pageYOffset != 0)
		return window.pageYOffset;

	if (document.body.scrollTop != 0)
		return document.documentElement.scrollTop;

	return 0;
}