var oColor="white";
var oBColor="#003399";

function colorOn(what)
{
	oColor = what.style.color;
	what.children[0].style.color="#ffffff";
	oBColor = what.style.backgroundColor;
	what.style.backgroundColor="#003399";
}

function colorOff(what)
{
	what.style.backgroundColor=oBColor;
	what.children[0].style.color=oColor;
}