var aircraft = new Array() 
aircraft[0] = 'http://data.worldofrick.nl/images/vloot/01.png'
aircraft[1] = 'http://data.worldofrick.nl/images/vloot/02.png'
aircraft[2] = 'http://data.worldofrick.nl/images/vloot/03.png'
aircraft[3] = 'http://data.worldofrick.nl/images/vloot/04.png'
aircraft[4] = 'http://data.worldofrick.nl/images/vloot/05.png'
aircraft[5] = 'http://data.worldofrick.nl/images/vloot/06.png'
aircraft[6] = 'http://data.worldofrick.nl/images/vloot/07.png'
aircraft[7] = 'http://data.worldofrick.nl/images/vloot/08.png'
var j = 0
var p = aircraft.length;
var preBuffer = new Array()
for (i = 0; i < p; i++){
   preBuffer[i] = new Image()
   preBuffer[i].src = aircraft[i]
}
var whichImage = Math.round(Math.random()*(p-1));
function showAircraft(){
document.write('<img src="'+aircraft[whichImage]+'" alt="" id="id1" style="border: none; height: 169px; left: 0px; position: absolute; top: 0px; width: 700px; z-index: 1; " />');
}