images = new Array(3);
images[0] = "images/group_b.jpg";
images[1] = "images/group_c.jpg";
images[2] = "images/group_a.jpg";

//Preload images

if (document.images)
{
  pic1= new Image(483,366); 
  pic1.src= images[0]; 

  pic2= new Image(483,366); 
  pic2.src= images[1]; 

  pic3= new Image(483,366); 
  pic3.src= images[2];
}

	
var current_pict;
current_pict = Math.floor(Math.random() * images.length - 1);
	
function changeOpac(opacity, id) { 
	var object = document.getElementById(id).style; 
	object.opacity = (opacity / 100); 
	object.MozOpacity = (opacity / 100); 
	object.KhtmlOpacity = (opacity / 100); 
	object.filter = "alpha(opacity=" + opacity + ")"; 
} 
	
function blendimage(divid, imageid, imagefile, millisec) { 
	var speed = Math.round(millisec / 100); 
	var timer = 0; 

	//set the current image as background 
	document.getElementById(divid).style.backgroundImage = "url(" + document.getElementById(imageid).src + ")"; 

	//make image transparent 
	changeOpac(0, imageid); 

	//make new image 
	document.getElementById(imageid).src = imagefile; 

	//fade in image 
	for(i = 0; i <= 100; i++) { 
		setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed)); 
		timer++; 
	}
	setTimeout("blendimage('blenddiv','blendimage', images[++current_pict],1500)",4000);
	if(current_pict == images.length - 1){current_pict = -1;}
}