friendica/include/main.js

  function openClose(theID) {
    if(document.getElementById(theID).style.display == "block") { 
      document.getElementById(theID).style.display = "none" 
    }
    else { 
      document.getElementById(theID).style.display = "block" 
    } 
  }

  function openMenu(theID) {
      document.getElementById(theID).style.display = "block" 
  }

  function closeMenu(theID) {
      document.getElementById(theID).style.display = "none" 
  }

	function commentOpen(obj,id) {
		if(obj.value == 'Comment') {
			obj.value = '';
			obj.className = "comment-edit-text-full";
			openMenu("comment-edit-submit-wrapper-" + id);
		}
	}
	function commentClose(obj,id) {
		if(obj.value == '') {
			obj.value = 'Comment';
			obj.className="comment-edit-text-empty";
			closeMenu("comment-edit-submit-wrapper-" + id);
		}
	}