var obj = null;
function showDiv(id) 
{
	var objLayer = document.getElementById(id);
	if (obj != null){
		obj.style.display = "none";
	}
	try{
		objLayer.style.display = "";
	} 
	catch(e){
		objLayer = null;
	}
	obj = objLayer;
}

function ChangeFont(i)
{
	document.getElementById("Content").style.fontSize=i;
}