var quotes=new Array()
 
//change the quotes if desired. Add/ delete additional quotes as desired.
 
quotes[0]=' <img src="images/truck_full1.jpg" width="434" height="250">'
 
quotes[1]=' <img src="images/truck_full2.jpg" width="434" height="250">'
 
quotes[2]=' <img src="images/truck_full3.jpg" width="434" height="250">'
 
quotes[3]=' <img src="images/truck_full4.jpg" width="434" height="250">'

var whichquote=Math.floor(Math.random()*(quotes.length))
document.write(quotes[whichquote])