function start_roll(num){
	//fade screen 2
	nextpic = fade_pics[num];
	rllr_hide_two(nextpic);
	num = num + 1;
	if(num==num_pics){
		num = 0;
	}
	setTimeout('rollo('+num+');', fade_time);
}

function rollo(num){
	nextpic = fade_pics[num];
	rllr_show_two(nextpic);
	num = num + 1;
	if(num==num_pics){
		num = 0;
	}
	setTimeout('start_roll('+num+');', fade_time);
}


function rllr_hide_two(newimg){
	$("#rllr_screentwo").fadeOut("1500",function (){
		$("#rllr_screentwo").css('background-image', 'url('+newimg+')');
	});
}

function rllr_show_two(newimg){
	$("#rllr_screentwo").fadeIn("1500", function(){
				$("#rllr_screenone").css('background-image', 'url('+newimg+')');
	});
}

function rllr_show_overlay(){
	$("#rllr_overlay").show("slide", 1000);
}
function rllr_hide_overlay(){
	$("#rllr_overlay").hide("slide", 1000);
}