function change_banner() {
	var string1 = document.getElementById('slideshow').style.background;

	if(string1.search('slide_1') > 0) {
		document.getElementById('slideshow').style.background = 'url("http://thepineclub.com/images/new/slide_2.jpg")';
	} else if(string1.search('slide_2') > 0) {
		document.getElementById('slideshow').style.background = 'url("http://thepineclub.com/images/new/slide_3.jpg")';
	} else if(string1.search('slide_3') > 0) {
		document.getElementById('slideshow').style.background = 'url("http://thepineclub.com/images/new/slide_4.jpg")';
	} else if(string1.search('slide_4') > 0) {
		document.getElementById('slideshow').style.background = 'url("http://thepineclub.com/images/new/slide_1.jpg")';
	} else if(string1.search('slide_5') > 0) {
		document.getElementById('slideshow').style.background = 'url("http://thepineclub.com/images/new/slide_1.jpg")';
	} else {
		document.getElementById('slideshow').style.background = 'url("http://thepineclub.com/images/new/slide_2.jpg")';
	}
}

document.getElementById('slideshow').style.background = 'url("http://thepineclub.com/images/new/slide_1.jpg")';
setInterval("change_banner()",6000);