function swapElementContent(element1, element2) {
	content1 = document.getElementById(element1).innerHTML;
	content2 = document.getElementById(element2).innerHTML;
	document.getElementById(element1).innerHTML = content2;
	document.getElementById(element2).innerHTML = content1;
}

window.onscroll = function()
{
if( window.XMLHttpRequest ) { // IE 6 doesn't implement position fixed nicely...
	if (document.documentElement.scrollTop > 162) {
		$('skyscraper_sf').style.position = 'fixed'; 
		$('skyscraper_sf').style.top = '0';
	} else {
		$('skyscraper_sf').style.position = 'absolute'; 
		$('skyscraper_sf').style.top = 'auto';
	}
}
}