var imagenumber = 17 ;
var randomnumber = Math.random() ;
var rand1 = Math.round( (imagenumber-1) * randomnumber) + 1 ;
images = new Array
images[1] = "http://www.evergreenindustries.net/images/sec_headerphoto1.jpg"
images[2] = "http://www.evergreenindustries.net/images/sec_headerphoto2.jpg"
images[3] = "http://www.evergreenindustries.net/images/sec_headerphoto3.jpg"
images[4] = "http://www.evergreenindustries.net/images/sec_headerphoto4.jpg"
images[5] = "http://www.evergreenindustries.net/images/sec_headerphoto5.jpg"
images[6] = "http://www.evergreenindustries.net/images/sec_headerphoto6.jpg"
images[7] = "http://www.evergreenindustries.net/images/sec_headerphoto7.jpg"
images[8] = "http://www.evergreenindustries.net/images/sec_headerphoto8.jpg"
images[9] = "http://www.evergreenindustries.net/images/sec_headerphoto9.jpg"
images[10] = "http://www.evergreenindustries.net/images/sec_headerphoto10.jpg"
images[11] = "http://www.evergreenindustries.net/images/sec_headerphoto11.jpg"
images[12] = "http://www.evergreenindustries.net/images/sec_headerphoto12.jpg"
images[13] = "http://www.evergreenindustries.net/images/sec_headerphoto13.jpg"
images[14] = "http://www.evergreenindustries.net/images/sec_headerphoto14.jpg"
images[15] = "http://www.evergreenindustries.net/images/sec_headerphoto15.jpg"
images[16] = "http://www.evergreenindustries.net/images/sec_headerphoto16.jpg"
images[17] = "http://www.evergreenindustries.net/images/sec_headerphoto17.jpg"

var image = images[rand1]