function displayRates(tab)
{
	theRates=new Array("mortgageRates","autoRates","certificates","moneyMarket");
	theLinks=new Array("mrl","aul","ctl","mml");
	for(i=0; i < theRates.length; i++)
	{
		if(i==tab)
		{
			document.getElementById(theRates[i]).style.display='block';
			document.getElementById(theLinks[i]).className='rateActive';
		}
		else
		{
			document.getElementById(theRates[i]).style.display='none';
			document.getElementById(theLinks[i]).className='';
		}
	}
}