function unescapeHTML(html) {
	var htmlNode = document.createElement("DIV");
	htmlNode.innerHTML = html;
	if(htmlNode.innerText)
		return htmlNode.innerText; // IE
	return htmlNode.textContent; // FF
} 

function checkEnter(e) {
    var characterCode;
    if (e && e.which) {
        e = e
        characterCode = e.which
    }
    else {
        e = event
        characterCode = e.keyCode
    }
    return (characterCode == 13);
}

function filterNumbersOnly(eventObj) {
  var e = (window.event) ? window.event : eventObj;
  var key = (window.event) ? e.keyCode : e.which;

  // the following key enhancers are available: ctrlKey, altKey, shiftKey, metaKey
  //enable copy/paste

  if ( (key==67 && e.ctrlKey) || (key==86 && e.ctrlKey) ) return true;

  var keyCodeExceptions = new Array(8, 46, 16, 9, 17, 20, 19, 13, 35, 36, 37, 39);

 //enable basic keyboard operations
  for ( var i=0; i<keyCodeExceptions.length; i++ )
	if ( keyCodeExceptions[i] == key ) return true;

  //the number filter, accepts only digits 0..9 (includes keypad), no shifted special chars
  var result = ( key != null && !e.shiftKey && (key > 47 && key < 58) || (key > 95 && key < 106) );
  //note: window.event.cancelBubble is done by returning true or false in IE (implicit)

  if ( !result ) stopBubble(e);
  return result;
}

function stopBubble(event) {
    event.cancelBubble=true;
    event.cancel = true;
    event.returnValue=false;
    if ( !window.event) {
        event.preventDefault();
        event.stopPropagation();
    }
}