var promo_text= new Array(5)

promo_text[0]='<img src="images/mpslide01.jpg" alt="" width="582" height="284">';

promo_text[1]='<img src="images/mpslide02.jpg" alt="" width="582" height="284">';

promo_text[2]='<img src="images/mpslide03.jpg" alt="" width="582" height="284">';

promo_text[3]='<img src="images/mpslide04.jpg" alt="" width="582" height="284">';

promo_text[4]='<img src="images/mpslide05.jpg" alt="" width="582" height="284">';


function choosePromo() {
	var min_num = 0; 
	var max_num = 4; 
	var diff = max_num-min_num+1 ; 
	rnd_number=Math.floor(Math.random()*diff + min_num); 
	document.write(promo_text[rnd_number]); 
	
}