/**********************banner randomizer**************************************/
pictures = new Array(
		new Array("/saem/orientation/images/o_banner.jpg", " ", "random banner image 1"),
		new Array("/saem/orientation/images/o_banner1.jpg", " ", "random banner image 1"),
		new Array("/saem/orientation/images/o_banner2.jpg", " ", "random banner image 2"),
		new Array("/saem/orientation/images/o_banner3.jpg", " ", "random banner image 3")
		
	);

randomIndex = Math.floor((Math.random()*pictures.length)) ; 
chosen_image = pictures[randomIndex] ;
/******************************************************************/