// this is a file which has the basic functions for a picture gallery in it
var pics=new Array()
var descriptions=new Array()
var selector=0
pics[0]="images/jag/Brick-face-on-building-peeled-off.jpg"
pics[1]="images/jag/IM004193.jpg"
pics[2]="images/jag/IM004197r.jpg"
pics[3]="images/jag/IM004227-CitadelHill.jpg"
pics[4]="images/jag/IM004234-ParadeSquare.jpg"
pics[5]="images/jag/IM004246-brokenWindows.jpg"
pics[6]="images/jag/IM004255-waterfront.jpg"
pics[7]="images/jag/IM004275-downtown.jpg"
pics[8]="images/jag/IM004287-belowCitadelHill.jpg"	
pics[9]="images/jag/IM004303.jpg"		
pics[10]="images/jag/IM004320.jpg"
pics[11]="images/jag/IM004328.jpg"
pics[12]="images/jag/IM004350a-theCommons.jpg"
pics[13]="images/jag/IM004359.jpg"
pics[14]="images/jag/IM004360-CitadelHill.jpg"
pics[15]="images/jag/IM004373a-SprGardenRdLibrary.jpg"
pics[16]="images/jag/IM004390-waterfront.jpg"
pics[17]="images/jag/IM004397-waterfront.jpg"
pics[18]="images/jag/IM004401-waterfront.jpg"	
pics[19]="images/jag/IM004411-Barrington.jpg"		
pics[20]="images/jag/IM004413-Barrington.jpg"
pics[21]="images/jag/IM004415-PublicGardens.jpg"
pics[22]="images/jag/IM004418-PublicGardens.jpg"
pics[23]="images/jag/IM004429a-PublicGardens.jpg"
pics[24]="images/jag/IM004433-PublicGardens.jpg"
pics[25]="images/jag/IM004456a-PublicGardens.jpg"
pics[26]="images/jag/IM004487a-JubileeRd.jpg"
pics[27]="images/jag/IM004489-JubileeRd.jpg"
pics[28]="images/jag/Tree-lying-on-house.jpg"	
pics[29]="images/jag/Trees-and-power-poles-lining-street-Boland-Rd.jpg"								 
descriptions[0]="(Photographer: Scott Hurst)"
descriptions[1]="(Photographer: Scott Hurst)"
descriptions[2]="(Photographer: Scott Hurst)"
descriptions[3]="(Photographer: Scott Hurst)"
descriptions[4]="(Photographer: Scott Hurst)"
descriptions[5]="(Photographer: Scott Hurst)"
descriptions[6]="(Photographer: Scott Hurst)"
descriptions[7]="(Photographer: Scott Hurst)"
descriptions[8]="(Photographer: Scott Hurst)"
descriptions[9]="(Photographer: Scott Hurst)"
descriptions[10]="(Photographer: Scott Hurst)"
descriptions[11]="(Photographer: Scott Hurst)"
descriptions[12]="(Photographer: Scott Hurst)"
descriptions[13]="(Photographer: Scott Hurst)"
descriptions[14]="(Photographer: Scott Hurst)"
descriptions[15]="(Photographer: Scott Hurst)"
descriptions[16]="(Photographer: Scott Hurst)"
descriptions[17]="(Photographer: Scott Hurst)"
descriptions[18]="(Photographer: Scott Hurst)"
descriptions[19]="(Photographer: Scott Hurst)"
descriptions[20]="(Photographer: Scott Hurst)"
descriptions[21]="(Photographer: Scott Hurst)"
descriptions[22]="(Photographer: Scott Hurst)"
descriptions[23]="(Photographer: Scott Hurst)"
descriptions[24]="(Photographer: Scott Hurst)"
descriptions[25]="(Photographer: Scott Hurst)"
descriptions[26]="(Photographer: Scott Hurst)"
descriptions[27]="(Photographer: Scott Hurst)"
descriptions[28]="(Photographer: Scott Hurst)"
descriptions[29]="(Photographer: Scott Hurst)"

function FirstPic(){
selector=0;
document.images.GalleryPic.src=pics[selector];
document.getElementById('PicDescription').innerText=descriptions[selector];
}
function LastPic(){
selector=pics.length-1;
document.images.GalleryPic.src=pics[selector];
document.getElementById('PicDescription').innerText=descriptions[selector];
}
function NextPic(){
if (selector<pics.length-1) {selector++;} else {selector = 0;}
document.images.GalleryPic.src=pics[selector];
document.getElementById('PicDescription').innerText=descriptions[selector];
}
function PreviousPic(){
if (selector>0) {selector--;} else {selector = pics.length-1;}
document.images.GalleryPic.src=pics[selector];
document.getElementById('PicDescription').innerText=descriptions[selector];
}