function displayMenu() 
{
	popup.style.posLeft=event.clientX+10;
	popup.style.posTop=event.clientY-5;
	popup.style.display="";
	popup.setCapture();
}

function clickMenu() 
{
	popup.releaseCapture();
	popup.style.display="none";
}

function right(e) 
{
	if (navigator.appName == 'Netscape' && (e.which == 3 || e.which == 2))
	{	
		return false;
	}
	else 
		if (navigator.appName == 'Microsoft Internet Explorer' && (event.button == 2 || event.button == 3)) 
		{
			displayMenu();
			return false;
		} 
	return true;
} 

function topFrame() 
{
	if (parent == self) top.location="index.html";
}

function change_frames(file1, file2) 
{
	parent.titel.location=file1; 
	parent.content.location=file2;
}

function ToggleInfo(elementID)
{
	if( document.getElementById ) // IE5+ & Gecko
	{
		if( document.getElementById(elementID).style.visibility=="visible" )
			document.getElementById(elementID).style.visibility = "hidden";
		else
			document.getElementById(elementID).style.visibility = "visible";
	}
	else if( document.all ) // IE4
	{
		if( document.all[elementID].style.visibility=="visible" )
			document.all[elementID].style.visibility = "hidden";
		else
			document.all[elementID].style.visibility = "visible";
	}
	else if( document.layers ) // Netscape 4
	{
		if( document.layers[elementID].visibility=="show" )
			document.layers[elementID].visibility = "hide";
		else
			document.layers[elementID].visibility = "show";
	}
}