function swapRankImageIN()
{
	document.getElementById("_rank_img").src = "/base_img/rank_in.gif";
}

function swapRankImageOUT()
{
	document.getElementById("_rank_img").src = "/base_img/rank_out.gif";
}

function swapRankImageBack()
{
	document.getElementById("_rank_img").src = "/base_img/rank.gif";
}