function rollOn(strMode)
{
	switch(strMode)
	{
		case "ygcused":
			document.ygcused.src = strRoot + "images/ygcusedsaleson.gif";
			break;	
		case "ygcnew":
			document.ygcnew.src = strRoot + "images/ygcnewsaleson.gif";
			break;
		case "ygcparts":
			document.ygcparts.src = strRoot + "images/ygcpartson.gif";
			break;
		case "ygcservice":
			document.ygcservice.src = strRoot + "images/ygcserviceon.gif";
			break;
		case "ygcaboutus":
			document.ygcaboutus.src = strRoot + "images/ygcaboutuson.gif";
			break;	
		case "ygccontact":
			document.ygccontact.src = strRoot + "images/ygccontacton.gif";
			break;
	}
}

function rollOff(strMode)
{
	switch(strMode)
	{
		case "ygcused":
			document.ygcused.src = strRoot + "images/ygcusedsales.gif";
			break;	
		case "ygcnew":
			document.ygcnew.src = strRoot + "images/ygcnewsales.gif";
			break;
		case "ygcparts":
			document.ygcparts.src = strRoot + "images/ygcparts.gif";
			break;
		case "ygcservice":
			document.ygcservice.src = strRoot + "images/ygcservice.gif";
			break;
		case "ygcaboutus":
			document.ygcaboutus.src = strRoot + "images/ygcaboutus.gif";
			break;	
		case "ygccontact":
			document.ygccontact.src = strRoot + "images/ygccontact.gif";
			break;
	}
}