var images = [
   ['sun_mid1.jpg', 'imageview.aspx?ImageUrl=sun_big1.jpg'],
   ['sun_mid2.jpg', 'imageview.aspx?ImageUrl=sun_big2.jpg'],
   ['sun_mid3.jpg', 'imageview.aspx?ImageUrl=sun_big3.jpg'],
   ['sun_mid4.jpg', 'imageview.aspx?ImageUrl=sun_big4.jpg'],
   ['Image00041b.jpg', 'imageview.aspx?ImageUrl=Image00041c.jpg'],
   ['Image00042b.jpg', 'imageview.aspx?ImageUrl=Image00042c.jpg']
]
var viewIndex = 0;
var dir = "../images/imageviewer/";
var galleryOn = true;