$(document).ready(function() {
	
	/* random image loader */
	var chooseFrom = ['i-random1', 'i-random2', 'i-random3', 'i-random4','i-random5', 'i-random6','i-random7', 'i-random8',
	'i-random8', 'i-random9','i-random10', 'i-random11','i-random12', 'i-random13','i-random14','i-random16', 'i-random17'];
	$(function() {
	      shuffle(chooseFrom);
	      for (var i = 1; i <= 16; i++) {
	            $('#rand-image').attr('src', "/images/" + chooseFrom[i - 1] + ".jpg");
	      }
	});

	function shuffle(a) {
	    for (var i = a.length; i > 0; i--) {
	        var j = Math.floor(Math.random() * i);
	        var temp = a[i - 1];
	        a[i - 1] = a[j];
	        a[j] = temp;
	    }
	    return a;
	}
	
	
	$("#main-nav li ul, #main-nav li span").hide(); 
	$("#main-nav li").hover(function () {
		$(this).children("ul, span").show();
        },function(){
		$(this).children("ul, span").hide();
	});//hover

});// document ready