function roundCorner(id, color){
		var tabela = document.getElementById(id);
		var html = tabela.innerHTML;
		var txt = "<table width='100%' cellpadding='0' cellspacing='0' border='0' align='center'><tr><td class='tl'></td><td class='t' style='background-color:"+color+"'></td><td class='tr'></td></tr><tr><td class='l' style='background-color:"+color+"'></td><td style='background-color:"+color+"'>" + html + "</td><td class='r' style='background-color:"+color+"'></td><tr><td class='bl'></td><td class='b' style='background-color:"+color+"'></td><td class='br'></td></tr></table>";
		tabela.innerHTML = txt;
	}