var imageArray = 
[
        ["img/gallery_ikonos_1.jpg", "300", "300","IKONOS","","Agricultural expansion"],
        ["img/gallery_ikonos_2.jpg", "300", "300","IKONOS","","Hue/Saturation/Value transform"],
        ["img/gallery_ikonos_3.jpg", "300", "300","IKONOS","","Water and forest: Philippines"],
        ["img/gallery_ikonos_4.jpg", "300", "300","IKONOS","","Water and forest: Philippines"],
        ["img/gallery_ikonos_5.jpg", "300", "300","IKONOS","","Agricultural expansion"],
        ["img/gallery_ikonos_6.jpg", "300", "300","IKONOS","","Water and forest: Philippines"],	  
];