var alleMenu = new Array("navi_0", "navi_1", "navi_2", "navi_3", "navi_4");
	var theNode;
	
	function setHidden () {
		for (var i = 0; i < alleMenu.length; i++) {
			setHidden_theElement(alleMenu[i]);
		}
	}
	
  	function setHidden_theElement(element) {
		if (document.getElementById(element).parentNode == document.getElementById(theNode)) {
			//alert (document.getElementById(theNode).parentNode + " -zu machen- " + document.getElementById(element).parentNode);
		}else {
			document.getElementById(element).style.visibility = "Hidden";
			//alert ("auf machen");
		}
	}
	
	function setVisible(element) {
		setHidden ();
		document.getElementById(element).style.visibility = "Visible";
	}
	
	function treeMenu_getClasses(element) {
	    //if(element.className) {
		 //alert("parent" + element.parentNode+" "+element.childNode); 
	      return element.className.match(/[^ \t\n\r]+/g);
	    //}
	    /*else {
	      return new Array(0);
	    }*/
	}
	
	function setNode(element) {
		//alert("theNode vorher: " + theNode);
		//document.getElementById(theNode).style.visibility = "Hidden";
		theNode = element;
		//alert("Node: "+theNode);
	}
	
	function nolink() {
	
	}
	
	function preloadImage() {
		// todo!
	}
	

	function imageOver(imgDocID, imgObjName, comment) {
		document.images[imgDocID].src = imgObjName;
		window.status = comment; return true;
	}
		
	function init () {
		theNode = "";
		//alert("Node: "+theNode);
		preloadImage();
	}