$(document).ready(function() {
	changeBackground();
	
	var language = 0;
	var page     = 0;

	$("#englishIntroduction > p").hide();
	$("#cantoneseIntroduction > p").hide();
	$('#languages').airportwriter({speed:30, num:3});
	//$('#zxz').airportwriter({speed:30, num:3});
	$('footer').airportwriter({speed:20, num:10});
	$('#chineseIntroduction > p').airportwriter({speed:20, num:10});
	
	$("#works").airport([ 'CloudsFM', 'Salons', 'ZS803' ]);
});

function displayEnglish(){
	changeBackground();
	$("#chineseIntroduction > p").hide();
	$("#cantoneseIntroduction > p").hide();
	$("#englishIntroduction > p").show();
	$('#englishIntroduction > p').airportwriter({speed:20, num:10});
};

function displayCantonese(){
	changeBackground();
	$("#englishIntroduction > p").hide();
	$("#chineseIntroduction > p").hide();
	$("#cantoneseIntroduction > p").show();
	$('#cantoneseIntroduction > p').airportwriter({speed:20, num:10});
};

function displayChinese(){
	changeBackground();
	$("#englishIntroduction > p").hide();
	$("#cantoneseIntroduction > p").hide();
	$("#chineseIntroduction > p").show();
	$('#chineseIntroduction > p').airportwriter({speed:20, num:10});
};

function changeBackground() {
		var numRand = Math.floor(Math.random()*158) + 1;
		$("body").css({ background: "url(squidfingers/pattern-" + numRand + ".gif)" });
}