/**
* Image Cycle Routine
*/

var ImgNum = Math.floor(Math.random()*18);
var ImgLength = 17 - 1;
var delay = 30000;
var lock = false;
var run;

function chgImg(direction) {
	if (document.images) {
		ImgNum = ImgNum + direction;
		if (ImgNum > ImgLength) {  ImgNum = 1; }
		if (ImgNum < 0) { ImgNum = ImgLength; }
		document.slideshow.src = "images/banner" + ImgNum + ".jpg";
	}
}

if (lock == true) {
	lock = false;
	window.clearInterval(run);
}
else if (lock == false) {
	lock = true;
	run = setInterval("chgImg(1)", delay);
}

/**
* Facebook Social Plugin Routine
*/
(function(d, s, id) {
	var js, fjs = d.getElementsByTagName(s)[0];
	if (d.getElementById(id)) {return;}
	js = d.createElement(s); js.id = id;
	js.src = "//connect.facebook.net/en_US/all.js#xfbml=1";
	fjs.parentNode.insertBefore(js, fjs);
}(document, 'script', 'facebook-jssdk'));