var _origBG;

function changeCol() {
  _origBG = this.style.backgroundImage;
  this.style.backgroundImage = "none";
}

function resetCol() {
  this.style.backgroundImage = _origBG;
}

function delMsg() {
    var ok=confirm("Are you sure you want to delete this message?");
    return ok;
}

function delThread() {
   var ok=confirm("Are you sure you want to delete this thread?");
    return ok;
}

function asSpam() {
	var ok = confirm("Clicking confirm means you are marking this message as spam. A report will be sent to a moderator so that they can check this.");
	return ok;
}