function changeContent( objectID, url, params ) {

	if ( !objectID || typeof( objectID ) == 'undefined' ) return false;
	if ( !url || typeof( url ) == 'undefined' ) return false;

	var ajaxRequest = new Ajax.Request(
		url,
		{
			method: 'get',
			parameters: params,

			onSuccess: function (req) {
				updateContent( objectID, req.responseText );
		}
	}
	);

	return true;

}

function updateContent( objectID, content ) {

	$( objectID ).innerHTML = content;
	resizeScroller ();
}