//photo URLs
var desc = new Array();
desc[1] = " ";
desc[2] = " ";
desc[3] = " ";
desc[4] = " ";
desc[5] = " ";
desc[6] = " ";
desc[7] = " ";
desc[8] = " ";
desc[9] = " ";
desc[10] = " ";
desc[11] = " ";
desc[12] = " ";
desc[13] = " ";
desc[14] = " ";
desc[15] = " ";
desc[16] = " ";
desc[17] = " ";
desc[18] = " ";
desc[19] = " ";
desc[20] = " ";
desc[21] = " ";
desc[22] = " ";
desc[23] = " ";
desc[24] = " ";
desc[25] = " ";
desc[26] = " ";
desc[27] = " ";
desc[28] = " ";
desc[29] = " ";
desc[30] = " ";
desc[31] = " ";
desc[32] = " ";
desc[33] = " ";
desc[34] = " ";
desc[35] = " ";
desc[36] = " ";
desc[37] = " ";
desc[38] = " ";
desc[39] = " ";
desc[40] = " ";
desc[41] = " ";
desc[42] = " ";
desc[43] = " ";
desc[44] = " ";
desc[45] = " ";
desc[46] = " ";
desc[47] = " ";

//Picks random photo to start with
var photoIndex = Math.floor(Math.random()*47);  //Update this number to reflect number of photos
var intervalId;

//Controls Arrow Links Under photo
function changePhoto(direction){
   photoIndex = photoIndex + direction;
   if (photoIndex > 47){
      photoIndex = 1;
   }
   if (photoIndex < 1){
      photoIndex = 47;
   }
   writephotoCode(photoIndex);
}
   

//Changes the Actual HTML Code so photo and Title Changes
function writephotoCode(pind) {

var photocode = '<img src=http://www.njar.com/images/education/tp2009/slideshow/picture' + pind + '.jpg>'; 
var desccode = '<p>' + desc[pind] + '</p>';

document.getElementById("photospace").innerHTML = photocode;
document.getElementById("descspace").innerHTML = desccode;

}