function CheckArticle() {
	var catid = document.getElementById("catid").value; 
	var category = document.getElementById("category").value; 
	
	if (catid == '' && category == '') {
		alert("You must select a category, or create a new one...");
		return false;
	} else {
		return true;
	}
}

function IsEmpty(aTextField) {
   if ((document.getElementById(aTextField).value.length==0) || (document.getElementById(aTextField).value==null)) {
      return true;
   } else {
   	return false; 
   }
}

function GoToUrl(url) {
	window.location = url;
	return;
}

  function SwapOut(image, isrc){
    document.images[isrc].src = image;
    return true;
  }

  function SwapBack(image, isrc){
    document.images[isrc].src = image; 
    return true;
  }