/* get Element By Class */
function getElementsByClass(searchClass,node,tag) {
    var classElements = new Array();
    if ( node == null )
        node = document;
    if ( tag == null )
        tag = '*';

    var els = node.getElementsByTagName(tag);
    var elsLen = els.length;

    var pattern = new RegExp('(^|\\s)'+searchClass+'(\\s|$)');
		var i = 0;
		var j = 0;
    for (i = 0, j = 0; i < elsLen; i++) {
        if ( pattern.test(els[i].className) ) {
            classElements[j] = els[i];
            j++;
        }
    }
    return classElements;
}

/* Rotating Home Images */
var home_testimonials;
var delay = 5;
var quotes = new Array();
var frame = quotes.length-1;
var end = quotes.length-1;

function animateTestimonials() {
	if (quotes.length == 0) loadTestimonials();
	var testimonial = getElementsByClass(quotes[frame]);
	testimonial[0].style.display = "none";
	frame++;
	if (frame > end) frame = 0;			

	testimonial = getElementsByClass(quotes[frame]);
	testimonial[0].style.display = "block";

	home_testimonials=setTimeout("animateTestimonials()",delay*1000);
}

function loadTestimonials() {
	var testimonials = getElementsByClass('testimonialsContent');
	for (i=1; i <= testimonials.length; i++) quotes[i-1] = "quote"+i;
	frame = quotes.length-1;
	end = quotes.length-1;
}

var play = true;

function start_stop() {
	var pause_play = document.getElementById("pause_play");
    if (play) {
		clearTimeout(home_testimonials);
		pause_play.src = "/Portals/0/images/btn-play.jpg";
		pause_play.alt = "Play";
		pause_play.title = "Play";
		pause_play.height = "17";
		pause_play.width = "17";
		play = false;
	}
    else {
		home_testimonials=setTimeout("animateTestimonials()",delay*1000);
		pause_play.src = "/Portals/0/images/btn-pause.jpg";
		pause_play.alt = "Play";
		pause_play.title = "Play";
		pause_play.height = "17";
		pause_play.width = "17";
		play = true;
	}
}

function next() {
	var pause_play = document.getElementById("pause_play");
	clearTimeout(home_testimonials);
	pause_play.src = "/Portals/0/images/btn-play.jpg";
	pause_play.alt = "Play";
	pause_play.title = "Play";
	pause_play.height = "17";
	pause_play.width = "17";
	animateTestimonials();
	clearTimeout(home_testimonials);
	play = false;
}

function previous() {
	var testimonial = getElementsByClass(quotes[frame]);
	testimonial[0].style.display = "none";
	frame--;
	if (frame < 0) frame = end;			

	testimonial = getElementsByClass(quotes[frame]);
	testimonial[0].style.display = "block";
	
	var pause_play = document.getElementById("pause_play");
	clearTimeout(home_testimonials);
	pause_play.src = "/Portals/0/images/btn-play.jpg";
	pause_play.alt = "Play";
	pause_play.title = "Play";
	pause_play.height = "17";
	pause_play.width = "17";
	play = false;
}