var theImages1 = new Array() 

theImages1[0] = 'images/t4.jpg'
theImages1[1] = 'images/t5.jpg'
theImages1[2] = 'images/t6.jpg'

var j = 0
var p = theImages1.length;
var preBuffer = new Array()
for (d = 0; d < p; d++){
   preBuffer[d] = new Image()
   preBuffer[d].src = theImages1[d]
}
var whichImage1 = Math.round(Math.random()*(p-1));
function showImage1(){
document.write('<img class="homeimage" alt="truflo" src="'+theImages1[whichImage1]+'">');
}