// JavaScript Document
function doClick(o){
	 o.className="selected";
	 var j;	 
	 var mid;
	 var e;
	 
	 for(var i=1;i<=7;i++){
	   mid ="nav" + i;
	   obj1 = document.getElementById(mid);
	   objsub = document.getElementById("sub"+i);
	   if(mid != o.id){
	   	 obj1.className="no";
	   	 objsub.style.display = "none";
	   }else{
			objsub.style.display = "block";
	   }
	 }
}