var index=0;
function setbackground()
{
window.setTimeout("setbackground()", 2500); // 5000 milliseconds delay
 // var background2="images/slideshow/onda01.jpg" // default color - white (index = 0)
 // index++;
// if(index == 1)
	// background2="images/slideshow/savana01.jpg";
// if(index == 2)
	// background2="images/slideshow/onda01.jpg";
// if(index == 3)
	// background2="images/slideshow/fulgore01.jpg";
// if(index == 4){
	// background2="images/slideshow/refolo01.jpg";
	// index=0;
	// }
 // document.body.background=background2;
 index++;

 if(index == 1){
 
  	$('#source-image1').css('visibility','visible');
	$('#source-image2').css('visibility','hidden');	//visibility:hidden;
	$('#source-image3').css('visibility','hidden');
	$("#source-image4").css('visibility','hidden');
	$("#source-image5").css('visibility','hidden');
 }
 
 if(index == 2){
  	$('#source-image1').css('visibility','hidden');
	$('#source-image2').css('visibility','visible'); 	//visibility:hidden;
	$('#source-image3').css('visibility','hidden');
	$("#source-image4").css('visibility','hidden');	
	$("#source-image5").css('visibility','hidden');
 }
 if(index == 3){
  	$('#source-image1').css('visibility','hidden');
	$('#source-image2').css('visibility','hidden');		
	$('#source-image3').css('visibility','visible'); 
	$("#source-image4").css('visibility','hidden');
	$("#source-image5").css('visibility','hidden');
 }
  if(index == 4){
  	$('#source-image1').css('visibility','hidden');
	$('#source-image2').css('visibility','hidden');		
	$('#source-image3').css('visibility','hidden'); 
	$("#source-image4").css('visibility','visible');
	$("#source-image5").css('visibility','hidden');
 }
 if(index == 5){
  	$('#source-image1').css('visibility','hidden');
	$('#source-image2').css('visibility','hidden');	
	$('#source-image3').css('visibility','hidden');
	$("#source-image4").css('visibility','hidden'); 
	$("#source-image5").css('visibility','visible');
	index=0;
	}
 
 	// $("body").ezBgResize({
        // img : background2, 
        // opacity : 1, 
        // center  : true
    // });
 }