var imageArray = 
[
        ["img/gallery_umdlandcover_1.jpg","300","300","Land Cover","","New Zealand"],
	["img/gallery_umdlandcover_2.jpg","300","300","Land Cover","","Eastern U.S."],
        ["img/gallery_umdlandcover_3.jpg","300","288","Land Cover","","Andes + upper Amazon"],
        ["img/gallery_umdlandcover_4.jpg","300","269","Land Cover","","Nile Delta"],
	["img/gallery_umdlandcover_5.jpg","300","136","Land Cover","","Global land cover"],     
];