var imgOrig = new Array(6);
imgOrig[0] = "images/international_btn.gif";
imgOrig[1] = "images/radio_btn.gif";
imgOrig[2] = "images/club_btn.gif";
imgOrig[3] = "images/biography_btn.gif";
imgOrig[4] = "images/resume_btn.gif";
imgOrig[5] = "images/contact_btn.gif";
var imgSwap = new Array(6);
for (i = 0; i < 6; i++)
	imgSwap[i] = new Image;
imgSwap[0].src = "images/international_btn_f2.gif";
imgSwap[1].src = "images/radio_btn_f2.gif";
imgSwap[2].src = "images/club_btn_f2.gif";
imgSwap[3].src = "images/biography_btn_f2.gif";
imgSwap[4].src = "images/resume_btn_f2.gif";
imgSwap[5].src = "images/contact_btn_f2.gif";

function swapImg(id, over) {
	var thisImg = document.getElementById("hi" + id);
	arrIdx = id - 5;
	if (over)
		thisImg.src = imgSwap[arrIdx].src;
	else
		thisImg.src = imgOrig[arrIdx];
}