function roll(t,c) {
	if (t.style) t=t.style;
	t.backgroundColor=c;
}

function rollBorder(t,c) {
	if (t.style) t=t.style;
	t.borderColor=c;
}

function rollIn(t) {
	roll(t,"#000000");
}

function rollOut(t) {
	roll(t,"#433E45");
}

function rollImgIn(t) {
	rollBorder(t.childNodes[0],"#77767B");
}

function rollImgOut(t) {
	rollBorder(t.childNodes[0],"black");
}