var current=""; 
var count=0;			
function getElement(which)
{
	count++;
	if (current==document.getElementById(which))
	{
		hide();
	}
	else
	{
		current=document.getElementById(which);
		show(current);
	}
}

function hide()
{
	if(current!="")
	{
		current.style.display="none";
	}
}


function show(which)
{
	current.style.display="block";
}

function hideShow(elementID)
{
	
	element = document.getElementById(elementID);
	if(element.style.display=="none") element.style.display="block";
	else element.style.display= "none";
}