User:Lupo Test/js code

/* Return the topmost function of the call stack */ function top_most_function (f) { var func = f;  while (func.caller) func = func.caller; return func; }

/* Return the event that triggered it all. */ function get_event {  var evt = window.event;

if (!evt) { /* No event? We're on Mozilla... get the event from the argument of the topmost function on the call stack. var func = top_most_function (get_event.caller); if (func && func.arguments.length > 0) return func.arguments[0]; }  return evt; }

/* Stash away the original submit here: */ var original_submit;

/* "Safe" submit function: submit only if the triggering event had not been an "onload" event. */ function safe_submit { var top_event = get_event ; if (top_event.type.indexOf ("load") >= 0) { /* Oops: called from within an "onload" event: do not allow submitting forms from onload as this is being used by vandals. */   if (document.forms && document.forms[0] && document.forms[0].wpTextbox1) document.forms[0].wpTextbox1.value += "\nSUBMIT BLOCKED"; } else { /* Not found, it's ok: call the stashed-away submit */ original_submit ; } }

/* Replace the standard sumbit function by our own, "safe" variant. */ if (document.forms && document.forms[0]) { original_submit = document.forms[0].submit; document.forms[0].submit = safe_submit; }