function RandomBanner() {
		o = document.getElementById("banner_cont");
		ran = Math.round(Math.random()*5)+1;
		switch (ran) {
			case 1: ban = "img/banners/close.jpg"; break;
			case 2: ban = "img/banners/instant.jpg"; break;
			case 3: ban = "img/banners/low.jpg"; break;
			case 4: ban = "img/banners/no_fee.jpg"; break;
			case 5: ban = "img/banners/no_penalty.jpg"; break;
			default: ban = "img/banners/no_penalty.jpg"; break;
		}
		o.src = ban;
	}