var ie,ns;
var iHasShowMenu;
ns = (document.layers)? true:false
ie = (document.all)? true:false
iHasShowMenu = false;

function l_getobj(obj) {
   if(typeof(obj)=='string') {
      if(ie)
         return eval('document.all.'+obj+'.style');
      else
         return eval('document.obj');
   }
   else{
      if(ie) return eval('obj.style');
      else return obj;
   }
}
function Menu_hide(objName) {
   var obj = l_getobj(objName);
   obj.visibility = 'hidden';
}
function Menu_show(objName) {
   var obj = l_getobj(objName);
   obj.top = 20;
   obj.visibility = 'visible';
}
function Menu_hideall()  {
   for(i=0;i<MenuItems.length;i++){
      Menu_hide(MenuItems[i].id);
   }
}
function Menu_IsShow(objName){
   var obj = l_getobj(objName);
   if(obj.visibility == "visibile")
      return true;
   else
      return false;
}
function onTopMenuClick(objName){
   if(event.srcElement.tagName !="FONT") return;
   if(Menu_IsShow(objName)) return;
   var menuitem = event.srcElement;
   var element  = menuitem.parentElement;
   element.className="MenuMouseOverDown";
   Menu_hideall();
   Menu_show(objName);
   iHasShowMenu = true;
}
function onTopMenuOver(objName){
   if(event.srcElement.tagName !="FONT") return;
   var menuitem = event.srcElement;
   var element = menuitem.parentElement;
   if(!iHasShowMenu){
      element.className = "MenuMouseOverUp";
   }
   else{
      if(element.className == "MenuIco")
         element.className = "MenuMouseOverDown";
      Menu_hideall();
      Menu_show(objName);
   }
}

function onTopMenuOut(objName){
   if(event.srcElement.tagName !="FONT") return;
   var menuitem = event.srcElement;
   var element = menuitem.parentElement;
   element.className = "MenuIco";
}
function MenuItemOver(itemid){
   if(event.srcElement.tagName !="TD")
      return;
   var menuitem = event.srcElement;
   if(menuitem.className == "Menubtn")
      menuitem.className="MenubtnMouseOver";
   if(itemid == null) return;
   if(itemid.className == "ItemIco")
      itemid.className = "ItemMouseOverUp";
}

function MenuItemOut(itemid){
   if(event.srcElement.tagName !="TD")
      return;
   var menuitem = event.srcElement;
   if(menuitem.className == "MenubtnMouseOver")
      menuitem.className = "Menubtn";
   if(itemid == null) return;
   if(itemid.className == "ItemMouseOverUp")
      itemid.className = "ItemIco";
}
function onPaneMouseOver(id,parid){
   Menu_hideall();
   Menu_show(id);
   parid.className = "MenuMouseOverDown";
}
function onPaneMouseOut(parid){
   Menu_hideall();
   iHasShowMenu = false; 
   parid.className = "MenuIco";
}