function SwitchRadio(newCell)
{
	document.getElementById("levelNames").rows[0].cells[old].className = "tdup";
	document.getElementById("levelNames").rows[0].cells[newCell].className  = "tddn";
	var upStyle = "tab_text_up";
	var dnStyle = "tab_text_dn";
	var reUp = new RegExp(upStyle, "g");
	var reDn= new RegExp(dnStyle, "g");
	var oldStyle = document.getElementById("levelNames").rows[0].cells[old].innerHTML;

	document.getElementById("levelNames").rows[0].cells[newCell].innerHTML = 
		document.getElementById("levelNames").rows[0].cells[newCell].innerHTML.replace(reUp, dnStyle);
		
	document.getElementById("levelNames").rows[0].cells[old].innerHTML = 
		document.getElementById("levelNames").rows[0].cells[old].innerHTML.replace(reDn, upStyle);
	old = newCell;
}
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