var imgNum = new Array()

imgNum[0] = '1';
imgNum[1] = '2';
imgNum[2] = '3';
imgNum[3] = '4';


// do not edit anything below this line

var j = 0;
var p = imgNum.length;
var preBuffer = new Array();
for (i = 0; i < p; i++)
{
   preBuffer[i] = new Image();
   preBuffer[i].src = imgNum[i];
}
var whichImage = Math.round(Math.random()*(p-1));

function showImage(){
document.write('<img src="images/home_photos_'+imgNum[whichImage]+'.jpg" alt="" width="968" height="232" id="homePhoto" />');
}