//Background Image Slideshow- © Dynamic Drive (www.dynamicdrive.com)
//For full source code, 100's more DHTML scripts, and TOS,
//visit http://www.dynamicdrive.com

//Specify background images to slide
var bgslides=new Array()
bgslides[0]="http://www.despertaferro.com/imatges/plantilla/iframe/iframe1.gif"
bgslides[1]="http://www.despertaferro.com/imatges/plantilla/iframe/df2.gif"
bgslides[2]="http://www.despertaferro.com/imatges/plantilla/iframe/iframe2.gif"

//Specify interval between slide (in miliseconds)
var speed=4000

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

var inc=-1

function slideback(){
if (inc<bgslides.length-1)
inc++
else
inc=0
document.body.background=processed[inc].src
}

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