function fetch_object(idname){
 		var my_obj = document.getElementById(idname);
 		return my_obj;
    }

function toggle_nav(obj){
	
 for (i = 1; i<= 14; i++ ){
  var sub_nav = fetch_object("TW_nav" + i);
  var menuBox = fetch_object("menuBox");

  if (obj == i){
	/**  if(i==10||i==2||i==11||i==12||i==14){
	menuBox.style.height = "25px";		
	}else{
	menuBox.style.height = "50px";		
	}
	**/
  
   sub_nav.style.display = "block";
  }else{
   sub_nav.style.display = "none";
  }}
 
}

function test(){
	
}