/*  File: masthead.js       */
/*  Date: 2008-01-26        */

var img_arr = new Array
img_arr[0] = "/images/mast_welcome.jpg";
img_arr[1] = "/images/mast_ust_1.jpg";
img_arr[2] = "/images/mast_ust_2.jpg";
img_arr[3] = "/images/mast_office_1.jpg";
img_arr[4] = "/images/mast_office_2.jpg";
img_arr[5] = "/images/mast_nest_1.jpg";
img_arr[6] = "/images/mast_nest_2.jpg";
img_arr[7] = "/images/mast_osprey_1.jpg";
img_arr[8] = "/images/mast_osprey_2.jpg";
img_arr[9] = "/images/mast_turtle.jpg";
img_arr[10] = "/images/mast_ocean.jpg";

rnd.today = new Date(); 
rnd.seed = rnd.today.getTime();

function rnd() { 
	rnd.seed = (rnd.seed*9301+49297) % 233280; 
	return rnd.seed/(233280.0); 
}

function rand(number) { 
	return Math.ceil(rnd()*number); 
}