function getAjaxFile(sDivName, sURL, sContainerDivName){
	sContainerDivName = sContainerDivName || '';
	
	$.ajax({
		url: sURL,
		success: function(data) {
			// check that have non-space characters to fill container with
			var temp = data.replace(/^\s*|\s*$/g,'');
			
			if (temp.length > 0) {
				$('#'+sDivName).html(data);
			}
			else {
				// no characters - hide whole container
				if (sContainerDivName.length > 0) {
					$('#'+sContainerDivName).hide();
				}
			}
		}
	});
}