var r_images = new Array();

function init_rotate(firstPic, secondPic, thirdPic, forthPic) {
	if (firstPic == '') {
		firstPic = '/clinic/clinic_files/eyeconx/rotating_image/01.jpg';
	}
	if (secondPic == '') {
		secondPic = '/clinic/clinic_files/eyeconx/rotating_image/02.jpg';
	}
	if (thirdPic == '') {
		thirdPic = '/clinic/clinic_files/eyeconx/rotating_image/03.jpg';
	}
	if (forthPic == '') {
		forthPic = '/clinic/clinic_files/eyeconx/rotating_image/04.jpg';
	}
	
	r_images[0] = firstPic.substring(firstPic.indexOf('=')+1);
	r_images[1] = secondPic.substring(secondPic.indexOf('=')+1);
	r_images[2] = thirdPic.substring(thirdPic.indexOf('=')+1);
	r_images[3] = forthPic.substring(forthPic.indexOf('=')+1, forthPic.length-1);
	
	$('#image_bottom').attr('src', r_images[0]);
	$('#image_top').fadeOut('slow');
	setTimeout('change_top(1)', 6000);
}

function change_top(idx) {
	if (idx == 4) { idx = 0 };
	$('#image_top').attr('src', r_images[idx]);
	$('#image_top').fadeIn('slow');
	setTimeout('change_bottom('+ (idx+1) +')', 6000);
}

function change_bottom(idx) {
	if (idx == 4) { idx = 0 };
	$('#image_bottom').attr('src', r_images[idx]);
	$('#image_top').fadeOut('slow');
	setTimeout('change_top('+ (idx+1) +')', 6000);
}