var picNum = 0;
var num_pics = 3;
var slide_on = true; 
function toggle_slide() {
	if(slide_on) {
		slide_on = false;
		clearTimeout(slideT);
		$("#pause-btn").hide();
		$("#play-btn").show();
	}
	else {
		slide_on = true;
		slideT = setInterval( "slideSwitch()", 6000 ); 
		$("#pause-btn").show();
		$("#play-btn").hide();
	}
} 
function prev_slide() {
	num = picNum;
	num--;
	if(num < 0) {
		num = num_pics - 1;
	}
	slideSwitch2(num);
} 
function next_slide() {
	num = picNum;
	num++;
	if(num == num_pics) {
		num = 0;
	}
	slideSwitch2(num);
} 
function slideSwitch() { 
	eval("var $active = $('#home-slide img#pic"+picNum+"');"); 
	prevNum = picNum; 
	picNum++;
	if(picNum == num_pics) 
		picNum = 0; 
	eval("var $next = $('#home-slide img#pic"+picNum+ "')"); 
	$("#home-nav-"+prevNum).removeClass("btn-on");
	$("#home-nav-"+picNum).addClass("btn-on");
	$next.addClass('next')
		.show(); 
	$active.fadeOut(500, function() { 
		$active.removeClass('active');
		$next.addClass('active')
		.removeClass('next');
	}); 
} 
function slideSwitch2(num) { 
	eval("var $active = $('#home-slide img#pic"+picNum+"');"); 
	prevNum = picNum; 
	picNum = num; 
	eval("var $next = $('#home-slide img#pic"+picNum+ "')"); 
	$("#home-nav-"+prevNum).removeClass("btn-on");
	$("#home-nav-"+picNum).addClass("btn-on");
	$next.addClass('next')
		.show(); 
	$active.fadeOut(500, function() { 
		$active.removeClass('active');
		$next.addClass('active')
		.removeClass('next');
		if(slide_on) {
			clearTimeout(slideT);
			slideT = setInterval( "slideSwitch()", 6000 ); 
		}
	}); 
} 
$(document).ready(function(){ 
        slideT = setInterval( "slideSwitch()", 6000 ); 
});