function changeImage(i) {
		var img = document.getElementById("banner_img_1");
		img.src = images[i];
	}
	
	function changeLink(i) {
		var lnk1 = document.getElementById("banner_link_1");
		var lnk2 = document.getElementById("banner_link_2");
		lnk1.href = links[i];
		lnk2.href = links[i];
	}
	
	function nextBanner() {
		if(active == -1) {
			changeImage(0)
			changeLink(0);
			active = 0;
		} else {
			if(active < images.length-1) {
				active ++;
			} else {
				active = 0;	
			}
			
			changeImage(active)	;
			changeLink(active);
		}
	}