function close_menu(){
	tempColl = document.all.tags("div");
    for (i=0; i<tempColl.length; i++){
		 if (tempColl(i).className == "menuvis")
		tempColl(i).style.display = "none";
     }
  }
 function open_menu(el){
		close_menu()
        whichEl = eval(el + "Child");
        if (whichEl.style.display == "none")
     { whichEl.style.display = "block";
    }
    else
     { whichEl.style.display = "none";
     }
  }
function prepare(){
	close_menu();
}
 with (document)
  { write("<style type='text/css'>");
    write(".menuvis {display:none}")
    write("</style>");
  }