var bgimages=new Array()
bgimages[0]="img/home_banner_2.jpg"
bgimages[1]="img/home_banner_3.jpg"
bgimages[2]="img/home_banner_4.jpg"
bgimages[3]="img/home_banner_5.jpg"
bgimages[4]="img/home_banner_6.jpg"
bgimages[5]="img/home_banner_7.jpg"
bgimages[6]="img/home_banner_1.jpg"

//preload images
var pathToImg=new Array()
for (i=0;i<bgimages.length;i++)
{
  pathToImg[i]=new Image()
  pathToImg[i].src=bgimages[i]
}

var inc=-1

function bgSlide()
{
  if (inc<bgimages.length-1)
    inc++
  else
    inc=0
  document.getElementById('blafa').style.background="url(" + pathToImg[inc].src + ")";
}

if (document.all||document.getElementById)
  window.onload=new Function('setInterval("bgSlide()",4000)')