rollover = 1;

if (rollover == 1) {

	tn_qf_over = new Image(78,50);
	tn_qf_over.src = "images/tn_qf_over.gif";
	tn_qf_up = new Image(78,50);
	tn_qf_up.src = "images/tn_qf_up.gif";

	tn_clb_over = new Image(108,50);
	tn_clb_over.src = "images/tn_clb_over.gif";
	tn_clb_up = new Image(108,50);
	tn_clb_up.src = "images/tn_clb_up.gif";

	tn_c_over = new Image(64,50);
	tn_c_over.src = "images/tn_c_over.gif";
	tn_c_up = new Image(64,50);
	tn_c_up.src = "images/tn_c_up.gif";
	
}

function img_over(imgName) {
	if (rollover == 1) {
		imgOver = eval(imgName + "_over.src");
		document [imgName].src = imgOver;
	}
}

function img_up(imgName) {
	if (rollover == 1) {
		imgUp = eval(imgName + "_up.src");
		document [imgName].src = imgUp;
	}
}