function toggle_01()
{
	var what = document.getElementById("showAndHide_header");
	if(what.style.display == "block")
	{
			what.style.display = "none";
	}
	else
	{
		what.style.display = "block";
	}
} 

function toggle_02()
{
	var what = document.getElementById("showAndHide_traning");
	if(what.style.display == "block")
	{
			what.style.display = "none";
	}
	else
	{
		what.style.display = "block";
	}
}