var numitens = 1;

//menu constructor
function menu(todositens,itemnormal,iniciomenu){ 
  callname= "gl"+itemnormal;
  divname="submenu"+itemnormal;  
  this.numberofitemmenus = todositens;
  this.caller = document.getElementById(callname);
  this.thediv = document.getElementById(divname);
  this.thediv.style.visibility = iniciomenu;
}

//menu methods
function menuitemlink(event,theobj){
  for (var i=1; i<= theobj.numberofitemmenus; i++){
    var shutdiv =eval( "itemmenu"+i+".thediv");
    shutdiv.style.visibility="hidden";
  }
  theobj.thediv.style.visibility="visible";
}
				
function fechasubmenu(event){
  if ((event.clientY < 10)||(event.clientY > 200)){
    for (var i=1; i<= numitens; i++){
      var shutdiv =eval('itemmenu'+i+'.thediv');
      shutdiv.style.visibility='hidden';
    }
  }
}