// Left-Menu (3 niveau's)
function switchElementClass(oLayer){
	oLayer.className = oLayer.className=="dynamic"?"static":"dynamic";
}
function resetElementClass(oLayer){
	oLayer.className = "static";
}
function switchClass(sId){        
	myLayer = document.getElementById(sId);	
	myTempLayer = myLayer.parentNode.firstChild;
		
	myTempLayer.id == myLayer.id ?switchElementClass(myTempLayer):resetElementClass(myTempLayer);
	while (myTempLayer.nextSibling){
		myTempLayer = myTempLayer.nextSibling;
		myTempLayer.id == myLayer.id ?switchElementClass(myTempLayer):resetElementClass(myTempLayer);
	}	
}