/* Browser check */
IS_DOM = (document.getElementById) ? true : false;
IS_IE = (document.all) ? true : false;
IS_IE50 = (navigator.userAgent.indexOf("IE 5.0") != -1);
IS_Mac = (navigator.appVersion.indexOf("Mac") != -1);

// Image Swapping
function changeImages() 
{
  if (document.getElementById) {
    for (var i = 0; i < changeImages.arguments.length; i += 2) { 
  		document.getElementById(changeImages.arguments[i]).src = eval(changeImages.arguments[i + 1] + ".src"); 
	}
  }
}

// Get an ID 
function getThis(sId)
{
	var oObject;
	oObject = false;
	
	if (IS_DOM) {
		if (document.getElementById(sId)) {
			oObject = document.getElementById(sId);
		}
	}
	
	return oObject;
}

function turnOffL2Select()
{
	document.getElementById("levelTwoSelected").id = "turnedOff";
}

window.onload = function()
{
	if (document.getElementById("levelThreeSelected")) {
		turnOffL2Select();
	}
}