function load_banner(current_banner,total_banner){
	if(current_banner <=total_banner){		
		for(i=1;i<=total_banner;i++){
			var banner = "banner_"+i;
			if(i == current_banner){
				document.getElementById(banner).style.visibility = "visible";
				document.getElementById(banner).style.display = "inline";
			}else{
				document.getElementById(banner).style.visibility = "hidden";
				document.getElementById(banner).style.display = "none";
			}
		}
	}else{
		current_banner = 0;	
	}
	var next_banner = current_banner + 1;
	setTimeout("load_banner("+next_banner+","+total_banner+")", 10000);
}