function changed(evt){
	if(document.getElementById('user_status').checked)
	{
	var item_name = document.getElementById(evt).id;
	var item_text = document.getElementById(evt).value;
	var url = '/configs/usercheck.php';
	var pars = 'field=' + item_name + '&field_value=' + item_text;
	var answer = 'Null';
		
	var myAjax = new Ajax.Request(
		url, 
		{
			method: 'post', 
			postBody: 'field=' + item_name + '&field_value=' + item_text, 
			onComplete: showResponse
		});
	//alert(pars);

	}
	//alert(document.getElementById('user_status').checked);
	//Event.stop(evt); //avoid another call related to 'parent_node' itself
}
	
function showResponse(originalRequest)
{
	//put returned XML in the textarea
	answer = originalRequest.responseText;
	var word = answer.split("|");
	
	if(word[2] == 0)
	{
		if(document.getElementById('post_comment_login'))
		{
			document.getElementById('post_comment_login').disabled = true;
		}
		else
		{
			document.getElementById('login_button').disabled = true;
		}
	}
	
	if(word[2] == 1)
	{
		if(document.getElementById('post_comment_login'))
		{
			document.getElementById('post_comment_login').disabled = false;
		}
		else
		{
			document.getElementById('login_button').disabled = false;
		}
	}
	//alert(answer);
	$(word[0] + '_answer').innerHTML = word[1];
}