function setWidth() {
	maxwidth = document.body.offsetWidth;
	
	width = ((maxwidth-970)/2);
	
	height = document.getElementById('container').clientHeight;
	
	if (width>0)
	{
		document.getElementById('leftbar').style.width=width+'px';
		document.getElementById('rightbar').style.width=width+'px';
		document.getElementById('leftbar').style.display='block';	
		document.getElementById('rightbar').style.display='block';
		
		document.getElementById('leftbar').style.height=height+'px';	
		document.getElementById('rightbar').style.height=height+'px';
	} else {
		document.getElementById('leftbar').style.display='none';	
		document.getElementById('rightbar').style.display='none';	
	}
	
	if (document.getElementById('introbox')!=null)
	{
		document.getElementById('introbox').style.height=document.body.clientHeight+'px';
	}

}