function init() {
        }			  
function show_info(id,a) {
 menu = document.getElementById(id);
 if(menu.style.display == "block"){
  menu.style.display = "none";
 } else {
  menu.style.display = "block";
 }
} //end function show_info()

function show_menu(id,a) {
 menu = document.getElementById(id);
 if(menu.style.left == "-18em"){
  menu.style.left = "0em";
 } else {
  menu.style.left = "-18em";
 }
} //end function show_menu()