function toggle() {
var ele = document.getElementById("page-menu");
var text = document.getElementById("displayText");
if(ele.style.display == "none") {
     ele.style.display = "block";
text.innerHTML = 'close menu &nbsp;&nbsp;<img src="/wp-content/themes/oomagoo/img/img_arrow_close.gif" width="12" height="8" alt="photo" />';
   }
else {
ele.style.display = "none";
text.innerHTML = 'open menu &nbsp;&nbsp;<img src="/wp-content/themes/oomagoo/img/img_arrow_open.gif" width="12" height="8" alt="photo" />';
}
}