//刷新换背景
a = 11 
var pp = Math.random();
var foot = Math.round(pp * (a-1))+1;
function create() {
this.src = ''
this.alt = ''
}
b = new Array()
for(var i=1; i<=a; i++) { b[i] = new create() }             
b[1].src    = "/wp-content/themes/wonk/images/backgrounds/b-1.jpg"
b[2].src    = "/wp-content/themes/wonk/images/backgrounds/b-2.jpg"
b[3].src    = "/wp-content/themes/wonk/images/backgrounds/b-3.jpg"
b[4].src    = "/wp-content/themes/wonk/images/backgrounds/b-4.jpg"
b[5].src    = "/wp-content/themes/wonk/images/backgrounds/b-5.jpg"
b[6].src    = "/wp-content/themes/wonk/images/backgrounds/b-6.jpg"
b[7].src    = "/wp-content/themes/wonk/images/backgrounds/b-7.jpg"
b[8].src    = "/wp-content/themes/wonk/images/backgrounds/b-8.jpg"
b[9].src    = "/wp-content/themes/wonk/images/backgrounds/b-9.jpg"
b[10].src    = "/wp-content/themes/wonk/images/backgrounds/b-10.jpg"
b[11].src    = "/wp-content/themes/wonk/images/backgrounds/b-11.jpg"
var pic = "";
pic += '<img src='+b[foot].src+' border="1"'+' alt='+b[foot].alt+'>';
document.write(pic)