// Tarawa pictures

var imgArray_tarawa = new Array();
var thmArray_tarawa = new Array();
var capArray_tarawa = new Array();
var altArray_tarawa = new Array();

capArray_tarawa[0] = "Local dwellings on the island of Tarawa near coring site.";
altArray_tarawa[0] = "Tarawa scene";
thmArray_tarawa[0] = "/images/tarawa/Tarawa_1.jpg";
imgArray_tarawa[0] = "field/";

capArray_tarawa[1] = "Columbia undergraduate, Todd Fairbanks, readies Tarawa drill rig for 2005 coring program.";
altArray_tarawa[1] = "Tarawa drill rig";
thmArray_tarawa[1] = "/images/tarawa/Tarawa_drill_rig.jpg";
imgArray_tarawa[1] = "field/";

var numImgs_tarawa = imgArray_tarawa.length;
var randNum_tarawa = Math.floor(Math.random() * numImgs_tarawa);

// Barbados pictures

var imgArray_barbados = new Array();
var thmArray_barbados = new Array();
var capArray_barbados = new Array();
var altArray_barbados = new Array();

capArray_barbados[0] = "Space shuttle photograph of Barbados island";
altArray_barbados[0] = "Barbados";
thmArray_barbados[0] = "/images/barbados/Barbados_space.jpg";
imgArray_barbados[0] = "field/";

var numImgs_barbados = imgArray_barbados.length;
var randNum_barbados = Math.floor(Math.random() * numImgs_barbados);


// Araki pictures

var imgArray_araki = new Array();
var thmArray_araki = new Array();
var capArray_araki = new Array();
var altArray_araki = new Array();

capArray_araki[0] = "Sketch of the Earth’s magnetopause.";
altArray_araki[0] = "magnetopause";
thmArray_araki[0] = "/images/araki/magneto.jpg";
imgArray_araki[0] = "field/";

capArray_araki[1] = "Record of the Earth‘s geomagnetic field intensity changes for the past 80,000 years from Laj et al., (2000).";
altArray_araki[1] = "NAPIS";
thmArray_araki[1] = "/images/araki/NAPIS.jpg";
imgArray_araki[1] = "field/";

capArray_araki[2] = "Sketch of Van Allen radiation belts.";
altArray_araki[2] = "";
thmArray_araki[2] = "/images/araki/van_allen_belts.jpg";
imgArray_araki[2] = "field/";

var numImgs_araki = imgArray_araki.length;
var randNum_araki = Math.floor(Math.random() * numImgs_araki);