function imgOn(imgName) {
  if (document.getElementById) {
    document.getElementById(imgName).src = eval(imgName + "on.src");
  }
}
 
function imgOff(imgName) {
  if (document.getElementById) {
    document.getElementById(imgName).src = eval(imgName + "off.src");
  }
}

function openWindow(file,width,height) {
  var winName = "newWind" + Math.round(Math.random() * 9999999);
  attributes ="height=" + height + ",width=" + width + ",resizable=yes,scrollbars=yes,top=10,left=10";
  window.open(file,winName,attributes);
}

function openWindowWithMenubar(sPath, iHeight, iWidth ) {
  var winName = "newWind" + Math.round(Math.random() * 9999999);
  window.open(sPath, winName, 'height=' + iHeight + ',width=' + iWidth + ',scrollbars=yes,resizable=yes,menubar=yes,top=20,left=20')
}

function selectYear ( selectObj, sUrl ) 
{
	var year = selectObj.options[selectObj.selectedIndex].value;
	window.location = sUrl + "?year=" + year;
}