var pageLoaded = false;

	var n4    = document.layers;
	var ie    = document.all;
	var w3c   = document.getElementById;
	var dhtml = ( n4 || ie || w3c );

var menuTimeout = 1000,
	    layerTimeout = 500,	
	    menuTimeHandle,
	    layerTimeHandle,	
	    menuActive = 0,
	    layerActive = 0,
	    menuLayer,
	    layerLayer

function menuShow( x, img, swapSrc )
	{
		if ( menuActive ) menuTimeNotify();
	
		
		if ( x != '' )
		{
			if ( document.getElementById )
			{
				document.getElementById(x).style.visibility = "visible";
			}
			else if ( document.layers )
			{
				document.layers[x].visibility = "show";
			}
			else if ( document.all )
			{
				document.all[x].style.visibility = "visible";
			}
		}

		menuLayer  = x;
		menuActive = 1;
	}

	function menuHide( x )
	{
		if ( x != '' )
		{
			if ( document.getElementById )
			{
				document.getElementById(x).style.visibility = "hidden";
			}
			else if ( document.layers )
			{
				document.layers[x].visibility = "hide";
			}
			else if ( document.all )
			{
				document.all[x].style.visibility = "hidden";
			}
		}
	}

	function menuTimeNotify()
	{
		menuHide( menuLayer );
		clearTimeout( menuTimeHandle );
		menuActive = 0;
	}

	function menuRelease()
	{
		if ( menuLayer != '' )
			menuTimeHandle = setTimeout( menuTimeNotify, menuTimeout );
		
	} 

	function menuHold()
	{
		clearTimeout( menuTimeHandle );
	}
	

function mehr(id) {
	document.getElementById(id).style.display = "block";
	}

function weniger(id) {
	document.getElementById(id).style.display = "none";
	}