var num_photos = 5;
var photos = new Array(num_photos);  
var last_i = -1;
var timer;


function changephoto(){
	if(last_i >= num_photos-1){
		last_i = -1;
	}
	last_i++;
	document.photoarea.src= photos[last_i].src;
}

function dopics(){
	
if (document.images) { 	
// init photos
 
	photos[0] = new Image;
	photos[1] = new Image;
	photos[2] = new Image;
        photos[3] = new Image;
        photos[4] = new Image;


	photos[0].src="photos/photo1.jpg"; 	
	photos[1].src="photos/photo2.jpg"; 
	photos[2].src="photos/photo3.jpg"; 
	photos[3].src="photos/photo4.jpg"; 
        photos[4].src="photos/photo5.jpg"; 

	timer = setInterval("changephoto()",2600);

}  

}

function cleanup(){
	clearInterval(timer);
}

function bt_do_onload(){
	// This function gets called by every page! Be careful!!!
	
dopics();
}