var currentLayer ="cell7";
var currentDiv = "a1"; 
function showLayer(obj,div){
	if(currentLayer!=obj.id) { 
	showIt(currentLayer,currentDiv,false); 
	currentLayer = obj.id; 
	currentDiv = div;
	showIt(currentLayer,currentDiv,true); 
	}
}
function showIt(o,d,mode){
	var obj = document.getElementById(o);
	var div = document.getElementById(d); 
	obj.className = mode?"active":"inactive";
	div.style.display = mode?"block":"none";
}
function MM_openBrWindow(theURL,winName,features) {
  window.open(theURL,winName,features);
}