function close_leistungsangebot ()
{
	if (navigator.appName=='Netscape' && navigator.appVersion>='5')
   	{
		parent.frames[2].document.getElementById("leistungsangebot_um").style.visibility = "hidden";	
    	}
    	else
    	{
		parent.frames[2].leistungsangebot_um.style.visibility='hidden';
	}
}

function open_leistungsangebot ()
{
	if (navigator.appName=='Netscape' && navigator.appVersion>='5')
   	{
		parent.frames[2].document.getElementById("leistungsangebot_um").style.visibility = "visible";	
    	}
    	else
    	{
		parent.frames[2].leistungsangebot_um.style.visibility='visible';
	}		
}

function close_links ()
{
	if (navigator.appName=='Netscape' && navigator.appVersion>='5')
   	{
		parent.frames[2].document.getElementById("links_um").style.visibility = "hidden";	
    	}
    	else
    	{
		parent.frames[2].links_um.style.visibility='hidden';
	}
}
function open_links ()
{
	if (navigator.appName=='Netscape' && navigator.appVersion>='5')
   	{
		parent.frames[2].document.getElementById("links_um").style.visibility = "visible";	
    	}
    	else
    	{
			parent.frames[2].links_um.style.visibility='visible';
	}	
}

function close_aktion ()
{

	if (navigator.appName=='Netscape' && navigator.appVersion>='5')
   	{
		parent.frames[2].document.getElementById("aktion_um").style.visibility = "hidden";	
    	}
    	else
    	{
		parent.frames[2].aktion_um.style.visibility='hidden';
	}

}

function open_aktion ()
{
	if (navigator.appName=='Netscape' && navigator.appVersion>='5')
   	{
		parent.frames[2].document.getElementById("aktion_um").style.visibility = "visible";	
    	}
    	else
    	{
		parent.frames[2].aktion_um.style.visibility='visible';
	}
}