var imgPath = 'images/structure/huntsdifference/';

// Highlight image
function fmaOn(id) {
	document.getElementById("fma_" + id).src = imgPath + "fma_" + id + "_on.gif";
}

// Turn off image highlight
function fmaOff(id) {
	document.getElementById("fma_" + id).src = imgPath + "fma_" + id + ".gif";
}