// JavaScript Document
    var ranNum= 1 + Math.round(Math.random()*2);
	var photo;
	
	if (ranNum == 1){
		photo = "images/int_photo_1.jpg";	
	} 
	if (ranNum == 2){
		photo = "images/int_photo_2.jpg";	
	} 
	if (ranNum == 3){
		photo = "images/int_photo_3.jpg";	
	} 	
	if (ranNum == 4){
		photo = "images/int_photo_4.jpg";	
	} 		
	document.write('<image src="' + photo + '">');