var sashClosed = false;

function toggleElement()
{
    var element = document.getElementById('menuRight');
    var symbol= document.getElementById('symbol');
    
	if(sashClosed)
    {
	
    	element.style.display = "";
		symbol.src = 'images/sash_close.gif';
		symbol.title="Info ausblenden";
    }
    else
    {
		
    	element.style.display = "none"; 
		symbol.src = 'images/sash_open.gif';
		symbol.title="Info einblenden";
    }
	
	
    
    sashClosed=!sashClosed;
}

function showMenu()
{
    var element = document.getElementById('menuRight');
    element.style.display = "";
	var symbol= document.getElementById('symbol');
    symbol.src = 'images/sash_close.gif';
	symbol.title="Info ausblenden";
}

function showUNav(elementV, img)
{
    var element = document.getElementById(elementV);
	var image = document.getElementById(img);
    var display = element.style.display;
	
	if (display =="block"){
		element.style.display ='none';
		image .src = 'images/book_close.gif';
		image .title="Baum einblenden";
	
	}
	else{
		element.style.display ='block';
		image .src = 'images/book_open.gif';
		image .title="Baum ausblenden";
	}
	
	
	
	
	
	
	
	
	
}