function SwapImgIn(imgName) {
  document.lhsimage.src = "assets/"+ imgName;
}

function SwapImgOut(defaultNavImg) {
  document.lhsimage.src = "assets/"+ defaultNavImg;
}

function PopWin(url, name, width, height) {
  var win = window.open(url, name, "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width="+width+",height="+height+",left=0,top=0,dependent=yes");
}