function callHeadlineJson(){
//	var failureStr = " = Failed to get Headline News. Please try again. = ";
	var failureStr = "";
	$.ajax({
		url: "headline.json", dataType: "json", cache: false,
		success: function(json, status) {
			if(status=="success"){
				populateReadlineJSON(json);
			} else {
				/*** timeout / parse error / request failed ... and more ***/
				$("<li />").text(failureStr)
						   .appendTo($("ul#headline_news"));
			}
		},
		error: function () {
			/*** communication error ***/
			$("<li />").text(failureStr)
					   .appendTo($("ul#headline_news"));
		}
	});
}

function populateReadlineJSON(json){
	var headlinenews = json.headlines;
	for(var i = 0; i < headlinenews.length; i++){
		var news = headlinenews[i];
		if(news.emergencyFlag === true){
			$("<li />").append(news.updatetime + " ")
						.append($("<a href=\"" + news.url + "\">" + news.message + "</a>"))
						.appendTo($("ul#headline_news"));
		}else{
			$("<li />").append(news.updatetime + " ")
						.append(news.message + "&nbsp;&nbsp;&nbsp;&nbsp;")
						.appendTo($("ul#headline_news"));
		}
	}
	/*** travel start ***/
	$("ul#headline_news").liScroll({travelocity: 0.07});
}