function hoverify() {
    var imgInt = 'url(fileadmin/templates/img/staticNavBg.gif)';
    var imgIntAct = 'url(fileadmin/templates/img/staticNavBgAct.gif)';
    var imgExt = 'url(fileadmin/templates/img/staticNavExtBg.gif)';
    var imgExtAct = 'url(fileadmin/templates/img/staticNavExtBgAct.gif)';
    var img;
    var imgAct;

    var Node = document.getElementById("staticNavBox").firstChild;
    while (Node != null) {
	if (Node.nodeName == "UL") {
	    Node2 = Node.firstChild;
	    while (Node2 != null) {
		if (Node2.nodeName == 'LI') {
		    Node3 = Node2.firstChild;
		    while (Node3 != null) {
			if (Node3.nodeName == 'A') {
			    Node3.attachEvent("onmouseout", function(){
						  var Node = event.srcElement.parentNode;
						  if (Node.getAttributeNode('class').nodeValue == 'extern') {
						      Node.style.backgroundImage=imgExt;
						  } else if (Node.getAttributeNode('class').nodeValue == 'act') {
						      // do nothing;
						  } else {
						      Node.style.backgroundImage=imgInt;
						  }
					      });
			    Node3.attachEvent("onmouseover", function(){
						  var Node = event.srcElement.parentNode;
						  if (Node.getAttributeNode('class').nodeValue == 'extern') {
						      Node.style.backgroundImage=imgExtAct;
						  } else {
						      Node.style.backgroundImage=imgIntAct;
						  }
					      });
			}
			Node3 = Node3.nextSibling;
		    }
		}
		Node2 = Node2.nextSibling;
	    }
	}
	Node = Node.nextSibling;
    }
}

if (window.attachEvent) {
    window.attachEvent("onload", hoverify);
}