// JavaScript Document

$(document).ready(function(){
									
	/* Set number of images for Homepage header.
	............................................ */
	var homepageHeroImageNum = 8; 

	/* attach a transparent block over emailModule on lower page
	............................................ */
	$('#emailModule').prepend('<span class="greenBlock"></span>');
	$('#emailModule .greenBlock').css({'opacity':0.4});
		
	/* apply transparent hover to the following buttons...
	............................................ */
	// generic
	var transparentHover = '.searchButton';
	// homepage 
	// content
	transparentHover += ', a.backTop img';
	transparentHover += ', a.readMore img';
	// subcontent
	
	// footer
	$(transparentHover).hover(function(){
		$(this).css({'opacity': 0.7});
	},
	function(){
		$(this).css({'opacity': 1});
	});
	
	/* Swap out homeHero Learn More PNG to PNG24
	............................................ */
	$('#homeHero a img').attr('src', '/base_images/links/homeLearnMore.png');
	
	
	/* Randomising homepage images
	............................................ */
	var gambar= new Array()
	var randomImg = Math.round(Math.random()*(homepageHeroImageNum - 1) + 1);
	$('#homeHero h1 img').attr({'src':'/base_images/elements/homeHeaders/0'+randomImg+'.jpg'});
	
	
	/* activate second level nav
	............................................ */
	$('#mainNav ul').hide();
	$('#mainNav li').hover(function(){
		$('ul', this).show();
	}, function(){
		$('ul', this).hide();
	});
	
});