function footnote (target)
{for (var i=0;i<a.length;i++)
	{
	if (a[i]==target)
		{document.getElementById(a[i]).style.backgroundColor='#ffffbb';
		document.getElementById(a[i]).style.padding='6pt';
		document.getElementById(a[i]).style.border='1px';
		document.getElementById(a[i]).style.borderStyle='dashed';
		}
	else{document.getElementById(a[i]).style.backgroundColor='#ffffff';
		document.getElementById(a[i]).style.padding='0';
		document.getElementById(a[i]).style.border='0';
		}
	}
}