function correctHeight() {
	var heightMain = document.getElementById('main').offsetHeight;
	document.getElementById('main_right').style.height = heightMain + 'px';
	
	var widthMain = document.getElementById('main').offsetWidth;
	//alert(widthMain);
	var x = 450 - (((widthMain - 1000) / 2) % 450);
	
	document.getElementById('site_body').style.backgroundPosition = '-' + x + 'px top';
}

function correctFnav()
{
	var fnav = document.getElementById("footernav");
	if (fnav)
	{
		var fnav_ul = fnav.getElementsByTagName("ul")[0];
		if (fnav_ul)
		{
			if ((fnav.offsetWidth - fnav_ul.offsetWidth) > 0)
			{
				fnav_ul.style.marginLeft = (fnav.offsetWidth - fnav_ul.offsetWidth) / 2 + "px";
			}
		}
	}
}