// Preload images
var img=new Array();
img[1] = new Image();
img[1].src = "http://www.powertraining.it/site/templates/modernworkplace/images/bkg_wrapper1.jpg";
img[2] = new Image();
img[2].src = "http://www.powertraining.it/site/templates/modernworkplace/images/bkg_wrapper2.jpg";
img[3] = new Image();
img[3].src = "http://www.powertraining.it/site/templates/modernworkplace/images/bkg_wrapper3.jpg";
img[4] = new Image();
img[4].src = "http://www.powertraining.it/site/templates/modernworkplace/images/bkg_wrapper4.jpg";
img[5] = new Image();
img[5].src = "http://www.powertraining.it/site/templates/modernworkplace/images/bkg_wrapper5.jpg";
img[6] = new Image();
img[6].src = "http://www.powertraining.it/site/templates/modernworkplace/images/bkg_wrapper6.jpg";
img[7] = new Image();
img[7].src = "http://www.powertraining.it/site/templates/modernworkplace/images/bkg_wrapper7.jpg";
img[8] = new Image();
img[8].src = "http://www.powertraining.it/site/templates/modernworkplace/images/bkg_wrapper8.jpg";
img[9] = new Image();
img[9].src = "http://www.powertraining.it/site/templates/modernworkplace/images/bkg_wrapper9.jpg";
img[10] = new Image();
img[10].src = "http://www.powertraining.it/site/templates/modernworkplace/images/bkg_wrapper10.jpg";
img[11] = new Image();
img[11].src = "http://www.powertraining.it/site/templates/modernworkplace/images/bkg_wrapper11.jpg";
img[12] = new Image();
img[12].src = "http://www.powertraining.it/site/templates/modernworkplace/images/bkg_wrapper12.jpg";
img[13] = new Image();
img[13].src = "http://www.powertraining.it/site/templates/modernworkplace/images/bkg_wrapper13.jpg";
img[14] = new Image();
img[14].src = "http://www.powertraining.it/site/templates/modernworkplace/images/bkg_wrapper14.jpg";
img[15] = new Image();
img[15].src = "http://www.powertraining.it/site/templates/modernworkplace/images/bkg_wrapper15.jpg";
img[16] = new Image();
img[16].src = "http://www.powertraining.it/site/templates/modernworkplace/images/bkg_wrapper16.jpg";

//variable that will increment through the images
var step=1;

// Main function
function slideit(){
document.getElementById('wrapper2').style.backgroundImage = "url(/site/templates/modernworkplace/images/bkg_wrapper"+step+".jpg)";
if (step<16)
step++
else
step=1;
//call function "slideit()" every 7.5 seconds
setTimeout("slideit()",7500);
};