var rc =
{
	distance : 0,
	dailyRate : 0,
	fuel : 0,

	init : function()
	{
		if (!document.getElementById) {
			return;
		}

		rc.distance = document.getElementById('distanceUnit');
		rc.dailyRate = document.getElementById('dailyRateUnit');
		rc.fuel = document.getElementById('fuelUnit');

		rc.handleChange();

		rc.distance.onchange = rc.handleChange;
		rc.dailyRate.onchange = rc.handleChange;
		rc.fuel.onchange = rc.handleChange;

		if (document.getElementsByTagName("TABLE").length > 0) {
			document.getElementById('content').scrollTop = 1000;
		}
	},

	handleChange : function()
	{
		document.getElementById('rRateDiv').innerHTML = rc.getRateDiv(rc.distance, rc.dailyRate);
		document.getElementById('fuelUsageDiv').innerHTML = rc.getCostOfFuelDiv(rc.distance, rc.fuel);
	},

	getRateDiv : function(arg0, arg1)
	{
		return arg1.options[arg1.selectedIndex].text + " / " + arg0.options[arg0.selectedIndex].text;
	},

	getCostOfFuelDiv : function(arg0, arg1)
	{
		return arg0.options[arg0.selectedIndex].text + " / " + arg1.options[arg1.selectedIndex].text;
	}
}

addEvent(window, 'load', rc.init);