a = 13 
var pp = Math.random();
var foot = Math.round(pp * (a-1));
function create() {
        this.src = ''
        this.border = ''
		this.alt = ''	
}
b = new Array()
for(var i=0; i<a; i++) { b[i] = new create() }
b[0].src    = "include/01.jpg"
b[0].border = "1"
b[0].alt    = "HEFENG"

b[1].src    = "include/02.jpg"
b[1].border = "1"
b[1].alt    = "cap"

b[2].src    = "include/03.jpg"
b[2].border = "1"
b[2].alt    = "panel"

b[3].src    = "include/04.jpg"
b[3].border = "1"
b[3].alt    = "butterfly"

b[4].src    = "include/05.jpg"
b[4].border = "1"
b[4].alt    = "LOGO"

b[5].src    = "include/06.jpg"
b[5].border = "1"
b[5].alt    = "head"

b[6].src    = "include/07.jpg"
b[6].border = "1"
b[6].alt    = "single head embroidery machine"

b[7].src    = "include/08.jpg"
b[7].border = "1"
b[7].alt    = "double sequin"

b[8].src    = "include/09.jpg"
b[8].border = "1"
b[8].alt    = "single head embroidery machine"

b[9].src    = "include/10.jpg"
b[9].border = "1"
b[9].alt    = "single head embroidery machine--T shirt"

b[10].src    = "include/11.jpg"
b[10].border = "1"
b[10].alt    = "single head embroidery machine--Cap"

b[11].src    = "include/12.jpg"
b[11].border = "1"
b[11].alt    = "single head embroidery machine--sweatshirts"

b[12].src    = "include/13.jpg"
b[12].border = "1"
b[12].alt    = "single head embroidery machine--sequin"

var pic = "";
pic += '<img src=\"'+b[foot].src + '\" border=\"' + b[foot].border + '\" alt=\"'+b[foot].alt+'\">';

document.write(pic);