function toggleVisible3(name1,name2,name3)
{
	toggleVisible(name1);toggleVisible(name2);toggleVisible(name3);
}
function toggleVisible4(name1,name2,name3,name4)
{
	toggleVisible(name1);toggleVisible(name2);toggleVisible(name3);toggleVisible(name4);
}
function toggleVisible(name) 
{
	var mytab = document.getElementById(name);
	if (mytab)
	{
		if(mytab.style.display == "none")
		{
			mytab.style.display = "block";
		}
		else
		{
			mytab.style.display = "none";
		}
	}
}