var obj1="";
var obj2="";
var einsprung=false;
function showNav(what,what2)
{
//alert(what);

if(obj1!="")
{
obj1.style.display='none';
}
obj1="";
if(document.getElementById(what))
{
obj1=document.getElementById(what);

obj1.style.display='block';
}
else
{
if(einsprung!=false)
{
einsprung.style.display='block';
if(obj1!="")
{
obj1.style.display='none';
}
obj1=einsprung;
}
}
}

function hideIt()
{


if(obj1!="" && obj1!=einsprung)
{
obj1.style.display='none';
obj1="";
	if(einsprung!=false)
	{
	
	einsprung.style.display='block';
		if(obj1!="")
		{
		obj1.style.display='none';
		}
	obj1=einsprung;
	}
}

}


function hideItAll()
{

}



function checkUnav(what,what2)
{

if(document.getElementById(what))
{
obj1=document.getElementById(what);
obj1.style.display='block';
einsprung=obj1;
}
if(document.getElementById(what2))
{
obj1=document.getElementById(what2);
obj1.style.display='block';
einsprung=obj1;
}
}