var mbrFlag = 0;
var mbrImgList = new Array();
var mbrImgDir = "/img/";

mbrImgList[0] = new Image();
mbrImgList[0].src = mbrImgDir + "lmenu_gst_b01_off.gif";
mbrImgList[1] = new Image();
mbrImgList[1].src = mbrImgDir + "lmenu_gst_b01_on.gif";

mbrFlag = 1;

function mbrSwap(imgName, fnc){
	if(mbrFlag == 1){
		document.images[imgName].src = mbrImgList[fnc].src;
	}
}