var picnumber = 3 ;

var randomnumber = Math.random() ;

var rand1 = Math.round( (picnumber-1) * randomnumber) + 1 ;

pics = new Array

pics[1] = "<img src='img/aws.jpg' usemap=#aws border=0 />"	

pics[2] = "<img src='img/aws2.jpg' usemap=#aws border=0 />"	
	
pics[3] = "<img src='img/aws3.jpg' usemap=#aws border=0 />"	
	
	
var pic = pics[rand1]