$(function(){
	var speed = 750,     //the speed of the transition, in ms
		interval = 4000; //the time between transitions, in ms

	setInterval(function(){slide(speed)},speed+interval);
});

function slide(speed){
	if (speed === undefined) speed = 700 //default speed
	var slides = $('.home-content-holder li'),
		current = $(slides[0]),
		next = $(slides[1]);
	next.show();
	var slider = $('.home-content-holder ul');
	slider.animate({left:'-607px'},speed,function(){
		current.hide();
		slider.css({left:'0'});
		current.clone().appendTo('.home-content-holder ul');
		current.remove();
	});
}