var theImages = new Array() // do not change this

theImages[0] = 'http://www.fortified-places.com/headers/header0.gif'
theImages[1] = 'http://www.fortified-places.com/headers/header1.gif'
theImages[2] = 'http://www.fortified-places.com/headers/header2.gif'
theImages[3] = 'http://www.fortified-places.com/headers/header3.gif'
theImages[4] = 'http://www.fortified-places.com/headers/header4.gif'
theImages[5] = 'http://www.fortified-places.com/headers/header5.gif'
theImages[6] = 'http://www.fortified-places.com/headers/header6.gif'
theImages[7] = 'http://www.fortified-places.com/headers/header7.gif'
theImages[8] = 'http://www.fortified-places.com/headers/header8.gif'
theImages[9] = 'http://www.fortified-places.com/headers/header9.gif'
theImages[10] = 'http://www.fortified-places.com/headers/header10.gif'
theImages[11] = 'http://www.fortified-places.com/headers/header11.gif'
theImages[12] = 'http://www.fortified-places.com/headers/header12.gif'
theImages[13] = 'http://www.fortified-places.com/headers/header13.gif'
theImages[14] = 'http://www.fortified-places.com/headers/header14.gif'
theImages[15] = 'http://www.fortified-places.com/headers/header15.gif'
theImages[16] = 'http://www.fortified-places.com/headers/header16.gif'
theImages[17] = 'http://www.fortified-places.com/headers/header17.gif'
theImages[18] = 'http://www.fortified-places.com/headers/header18.gif'
theImages[19] = 'http://www.fortified-places.com/headers/header19.gif'
theImages[20] = 'http://www.fortified-places.com/headers/header20.gif'
theImages[21] = 'http://www.fortified-places.com/headers/header21.gif'

var alttext=new Array()

alttext[0]="Le siège de Cambrai"
alttext[1]="Porte de Lille, Ypres"
alttext[2]="La Citadelle de Tournai, du plan-relief"
alttext[3]="La porte de Gand, Lille"
alttext[4]="Les Remparts, Bayonne"
alttext[5]="Fort Carré, Antibes"
alttext[6]="Le front royale, la citadelle de Besançon"
alttext[7]="L'entrée principale de la citadelle de Valenciennes"
alttext[8]="La forteresse de Charlemont, Givet"
alttext[9]="La Citadelle de Blaye, plan-relief"
alttext[11]="Pont et demi-lune, Blaye"
alttext[12]="Fort de France, Colmars-les-Alpes"
alttext[13]="Les casemates, Suomenlinna"
alttext[14]="Fort Miradou, Collioure"
alttext[15]="Les cannons, Deal Castle"
alttext[16]="Fort Paté"
alttext[17]="Fort Carré, Antibes"
alttext[18]="Douai"
alttext[19]="Maastricht"
alttext[20]="Tilbury Fort"
alttext[21]="Ypres"

var j = 0
var p = theImages.length;

var preBuffer = new Array()
for (i = 0; i < p; i++){
   preBuffer[i] = new Image()
   preBuffer[i].src = theImages[i]
}

var whichImage = Math.round(Math.random()*(p-1));
function showImage(){
document.write('<img src="'+theImages[whichImage]+'" alt="'+alttext[whichImage]+'">');
}