var menulist=new Array();
					  var stayObj;
					  var m=0;
					  function MenuSwitch(btn,menuid){
					   var menuobj=document.getElementById(menuid);
					   if(menuobj){
					    if(!ChkMenuList(menuobj))menulist[m++]=menuobj;
					    MenuShow(menuobj);
					   }
					  }
					  function MenuClose(){
					   if(menulist.length>0){
					    for(var i=0;i<menulist.length;i++){
						 if(menulist[i]){
						  if((menulist[i]!=stayObj)&&(menulist[i].style.visibility == "visible")){
						   //menulist[i].filters.revealTrans.apply();
						   menulist[i].style.visibility = "hidden";
						   //menulist[i].filters.revealTrans.play();
						  }
						 }
						}
					   }
					  }
					  function MenuShow(obj){
					   stayObj=obj;
					   MenuClose();
					   if(obj){
						if(obj.style.visibility!="visible"){
						 //obj.filters.revealTrans.apply();
						 obj.style.visibility = "visible";
						 //obj.filters.revealTrans.play();
					    }
					   }
					  }
					  function MenuClear(){
					   stayObj=null;
					   MenuClose();
					  }
					  function ChkMenuList(obj){
					   var chk=false;
					   for(var i=0;i<menulist.length;i++){
					    if(menulist[i]==obj){
						 chk=true;
						 break;
						}
					   }
					   return chk;
					  }